Ciro Santilli OurBigBook.com  Sponsor 中国独裁统治 China Dictatorship 新疆改造中心、六四事件、法轮功、郝海东、709大抓捕、2015巴拿马文件 邓家贵、低端人口、西藏骚乱
One day, someone will invent a way to take the hash of a piece of hardware and see its history log, like software engineers do with version control. Until then, this is as close as you can get.
Ciro one day guessed that hardware would certainly be a slang for something naughty, and yup, here we are: www.urbandictionary.com/define.php?term=Hardware, drug paraphernelia. Read on!

Bicycle

words: 8k articles: 19
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Mechanical and electrical tools

words: 404 articles: 6
2020-01 www.amazon.co.uk/dp/B07D318N7Z
2020-01 "Heat Gun, SEEKONE Professional 2000W 50℃- 600℃ Variable Temperature Control Hot Air Gun Kit with 2 Temperature Modes 7 Accessories for D" www.amazon.com/dp/B078S5QMFG Initially for for cell phone repair, but later learnt they are also useful for heat shrink.
2020-11 BOA 13-2612 Strap Wrench, 6-Inch Capacity 8-Inch Long Lever www.amazon.com/dp/B00096JDKS Official: www.boatoolcorp.com/our-products/boa-constrictor-range/boa-constrictor/
2019-09 "Draper Redline 68001 160 mm Heavy Duty Pliers Set with Soft Grip Handles (3-Piece)" web.archive.org/web/20190903191215/https://www.amazon.co.uk/dp/B071JL6LLL (archive)
2019-08: www.amazon.co.uk/dp/B000LFRYG2 (archive) "Silverline SP1236 Combination Spanner, 8-19 mm - 12 Pieces" 8.48 pounds. Because I needed the 15mm for bike pedal, and the price of 1 and the full set were very close.
6 10/11/12/13/14/17 mm Combination Wrench Set WRENCH SET COMBINATION Open-Ended Spanner/Ring Spanner Set www.amazon.co.uk/dp/B07BZLVGX8 (archive) But they sent one wrong, 8 instead of 11. Chrome Vanadium Steel. Markings: "DROP FORGED A". Quality feels crappy, not very smooth.
2017: Teng 621011 Double Open Ended Spanner 10x11mm www.amazon.co.uk/dp/B0001P0VP8 (archive)
2017: Magnusson AMS49 5M TAPE MEASURE 5m retractable flexible rule. www.screwfix.com/p/magnusson-ams49-5m-tape-measure/5315v (archive)

Electrical tools

words: 175 articles: 2
2019-09 "AstroAI Digital Multimeter, TRMS 6000 Counts Multimeters Manual and Auto Ranging; Measures Voltage, Current, Resistance, Continuity, Capacitance, Frequency; Tests Diodes, Transistors, Temperature, Red" www.amazon.co.uk/dp/B071JL6LLL (archive). Manual: web.archive.org/web/20190904200759/https://static.astroai.com/manual/Astroai-Digital-Multimeter,-Trms-6000-Counts-User-Manual-en.pdf. www.youtube.com/watch?v=uDGCs1G0Tx8 AstroAI WH5000A Digital Multimeter some basic features
2022-10 ELEGOO Upgraded Electronics Fun Kit www.elegoo.com/products/elegoo-electronics-fun-kits-4-versions Manuals:
Breadboard power supply module MB‐V2:
TODO center positive or center negative?
Does not come with AC adapter, getting this one: www.amazon.co.uk/dp/B08ZN476FW output: DC 9V 1A Power Supply Adapter, Plug 5.5mm x 2.1mm, Center Positive,B rand: Security-01, input: AC 100-240V 50/60 Hz, Cable length: 1.8m
LEDs:
  • maximum Continuous Forward Current: 50 mA
  • under 20 mA
    • Forward Voltage: 2.0 V typical, 2.5 V max
20 mA appears to be the typical operation. So with the 2.0 V drop on 5 V power we want a resistor such that:
for the max 50 mA we would instead have 60 Ohms
Bought in the late 2010s.
Mentioned at: raspberrypi.stackexchange.com/questions/3867/ssh-to-rpi-without-a-network-connection/53823#53823
Official product page: www.dsdtech-global.com/2017/07/dsd-tech-usb-to-ttl-serial-converter.html
Sample Amazon link: www.amazon.co.uk/gp/product/B072K3Z3TL
Likely came in a bundle: www.gak.co.uk/en/yamaha-p45-digital-piano-bundle/908294

Suitcases

words: 58 articles: 1
Looks like this:
Feels quite good.
Bought: Paris 2015, about 180 euros.
The model number is 41075.
Label markings:
V78003007 00 LH 11440482
41075 1173 CNU SPINNER 77/2
EXTERIOR: NYLON 56%
POLYESTER 44%
INTERIOR: POLYESTER 100% Made In China (LH)
Wheel hole separation:
  • bottom two: 3.55cm
  • bottom two: 3.4cm
  • bottom to top: 4.3cm
Trying to buy a replacement: www.amazon.co.uk/dp/B08KVZQSTG

Cleaning products

words: 64 articles: 1
2019-11 www.amazon.co.uk/B00I8JC4WC Mr Muscle 5 in 1 Shower Shine, 500 ml
2019-11 www.amazon.co.uk/dp/B00FGOY51A Lakeland Moth Stop Moth Killer Carpet & Fabric Spray, 500ml
2019-10 Mykal Sticky Stuff Remover 250ml. Helped remove sticky tape adhesive from surfaces. Still required a lot of elbow grease, but worked. www.amazon.co.uk/dp/B000TAT4GM (archive).
Bought: 2018, 2021.
Seems to work OK. But you're fighting the symptom, and it will eventually come back.

Vacuum cleaner

words: 70 articles: 2
Similar to: www.miele.co.uk/e/cylinder-vacuum-cleaner-compact-c2-powerline-sdrf4-10931670-p but slightly different from image. Indistinguishable from: www.currys.co.uk/gbuk/home-appliances/floorcare/vacuum-cleaners/miele-complete-c2-pure-power-powerline-cylinder-vacuum-cleaner-graphite-grey-10208570-pdt.html
Power symbol meanings: images-eu.ssl-images-amazon.com/images/I/A14OZ5TuwGS.pdf
2020-12: buying Miele SF AP 50 AirClean Plus filter www.miele.co.uk/e/airclean-plus-filter-sf-ap-50-10107860-p. Once it arrived, changed the filter, which fit comes with plastic casing and accordion shaped filter. Also changed bag. But the bag full meter still goes to red on carpet even with everything new while vacuuming. Is it supposed to be checked while not vacuuming?
www.philips.co.uk/c-p/FC6232_62/dust-mite-hand-held-vacuum-cleaner-anti-allergen
Bought circa 2017.

Kitchen

words: 229 articles: 5
30L tall pedal bin light blue. Liner type: "Tall Bin Liners 30 L".
www.panasonic.com/uk/consumer/home-appliances/microwaves/microwave-only/nn-sf464mbpq.html
Manual: images-eu.ssl-images-amazon.com/images/I/D1It8ZCrjLS.pdf
www.amazon.co.uk/gp/product/B07GX1ZLLG
Primarily bought to make borlotti beans!!!
ARTISAN 2-SLOT TOASTER 5KMT2204 Onyx Black
Bought: 2017-09
www.kitchenaid.co.uk/small-appliances/toaster/artisan-2-slot-toaster-5kmt2204/859730315020
www.amazon.co.uk/dp/B00J9PQW5E
Impossible to open to properly clean.
Bought around: 2017-09.
TEFAL Multicook 8in1 RK302E15 MultiCooker - 4 Portions / 5L.
www.tefal.co.uk/Cooking-appliances/Rice-%26-Multi-Cookers/Multicook-8in1-RK302E15-MultiCooker---4-Portions-5L/p/7211000750
Likely bought from: www.johnlewis.com/tefal-rk302e15-8-in-1-multi-cooker/p231378165
Markings say: "SERIE R13-B REF: RK302E15 / 79 A - 1017"
How to open videos: can't find any, but the hard part (remove top lid) was the same as the video for joyoung rice cooker (2014), can be done by inserting a thin metal and going around it.
Bottom opens by taking off a single screw on the bottom and pulling it out (not obvious, a little bit of force).
2021-01: while making congee it overflowed without us noticing it, and next time we were going to cook something, it started to burn bits of congee that stuck to the heat plate. Opened it up and tried to clean everything.
2020-03: E01 error, looked up on manual and it is a top wire broken, opened up and confirmed one of the three wires going up broken, exactly like the previous one joyoung rice cooker (2014). Managed to fix easily with heat gun and Solder Seal Heat Shrink, no soldering iron, that thing is amazing: www.amazon.co.uk/dp/B085415G8N Let's see how long it lasts.
Similar to: www.amazon.co.uk/dp/B013AV45IS
2019: broke with sign number 6. Ciro Santilli opened it up a bit destructively.
How to open: www.youtube.com/watch?v=8Lf68mAB0Vk

Furniture

words: 13
2022-02: Kiea Barlast floor lamp: www.ikea.com/gb/en/p/barlast-floor-lamp-black-white-50437810 Bulb: LED bulb E27 globe opal white.
Table: web.archive.org/web/20210718034540/https://www.westelm.com/weimgs/rk/images/i/201644/0004/images/pdf/assembly-instructions/english/mid_century_expandable_dining_table_medium_large.pdf

Houses

words: 837 articles: 13

House 2021

words: 86 articles: 1
Fridge: Lamona LAM6800 fridge freezer.
Bedroon door glass pannel dimensions: 36cm x 59.6cm
Middle separator length: 2.5cm.
So total glass area: 36 * 2 + 2.5 x 59.6 * 2 + 2.5 = 74.5 x 121.7
Bin: TODO size.
Washing machine: Lamona, someting along LAM8603: www.manualslib.com/manual/1049371/Lamona-Lam8603.html

Fire alarm

words: 21
2021-08 bedroom battery out, 7.29V out of 9V duracell duralock. Buying pack of 12 Energizer nine-volt batteries. Measurement on new battery: 9.68V.

House 2018-01

words: 751 articles: 10
2019-12-26: scraped off some of the likely soap scum from standing bathtub with hard plastic rice cooker spoon.

Mould

words: 47
2019-12-26: applied Ronseal mould killer on external north east living room walls, had widespread light brown mould spots, and more localized black mould spots. The water insulation here is bad, possibly due to being on the last floor. Also applied next to window sills on those walls.

Kitchen

words: 258 articles: 4
This is the exact model: shop.elica.com/en/accessori/filtro-grassi-in-alluminio-cod-gf03fc.html | web.archive.org/web/20190707053526/https://shop.elica.com/en/accessori/filtro-grassi-in-alluminio-cod-gf03fc.html
Searching by th epart name "GF03FC" leads to other sellers besides Elica however, which could reduce shipping costs: www.cookerhoodsupplies.co.uk/filters-and-lamps/188-metal-grease-filter-gf03fc.html
Brand on extractor glass: Elica: elica.com
Dimensions: 45.9cm x 17.6cm on the exterior. Too long to fit into any container that we have.
Brand on filter itself: "ARMA Filtre a.s." based on markings: www.armafiltre.com.tr/uygulamalar/7/3/en/Home-Appliances.html Cannot find any model on website however... looks like Elica's B2B supplier only.
Marker inside after removing filter: 12NC: 208298104403 Model: CIAK GR/A/56.
2018: noticed that it was unbearably greasy, tried to clean, but even boiling water didn't help.
July 2019 message:
Aluminium extractor filter for 208298104403
Hi there,
I'm trying to buy a spare aluminium extractor filter for an Elica extractor, but I can't find the right size on the website.
My 12NC is : 208298104403
My filter looks a lot like this: shop.elica.com/en/accessori/filtro-grassi-in-alluminio-cod-GRI0077330A.html but the dimensions are different: I measured 45.9cm x 17.6cm on my old one.
Do you have that for sale?
Fridge
words: 53
Brand according to documents: SMEG.
Most similar models I an find: www.smeguk.com/products/UKC8173N1F and www.smeguk.com/products/UKC81721F, the keyword are "built-in" and "integrated", other very similar ones: www.smeguk.com/refrigerators/built-in
Looks like this: www.youtube.com/watch?v=4c_LBVnU4ec and that's how to unclog the drain.
2020-11-28: defrost. Some small Styrofoam was broken lose from top, noticed small burn or rust marks on top grid nearby.
Gas hob
words: 32
SMEG, cannot determine exact model.
2020-11: started sparking by itself once every 5 minutes. Knob controls dirty in hole, but can't find out how to access. Seems slightly glued insulated around edges.
Kitchen tap
words: 13
Looks a lot like: Bristan Monza EF Sink Mixer Chrome www.bathroomsensations.co.uk/Bristan-Monza-EF-Sink-Mixer-Chrome.html
How to open: www.youtube.com/watch?v=oHTpOG1Uhzw

Fire alarms

words: 7
Kitchen: 2021-04: nine-volt battery battery at 8.79V. Not sounding.

Light bulbs

words: 202
2021-01: kitchen extractor right lamp burnt. Replaced with another Eveready.
2021-01: left back bulb burnt, put in another LE GU10 LED Bulbs
2020-11: kitchen extractor left lamp burnt again. Did I forget to report a right side burn earlier, or is there something wrong with the left one? Also can't find the second bulb that was likely bought last time, so likely the right one burnt and the other bulb was used for it. Buying www.amazon.co.uk/dp/B00LOBUDSS "4 x Eveready 20 W 12 V G4 Dimmable Halogen Capsule Light Bulbs Pack of 4" for 3.66 pounds. Worked, felt a bit more yellow than the previous one. Packet documents 2000 hours, 2800K color, 8000+ switches.
2020-08: kitchen right back had been out for a while, bought: www.amazon.co.uk/dp/B00LN0RPA4 LE GU10 LED Bulbs, Warm White 2700K, 50W Halogen Lamp Equivalent, 4W 350lm, 120° Wide Beam Angle, Recessed or Track Light Bulb, Pack of 5 (Energy Class A++), 5 for 10 pounds.
2019-11: front right kitchen lamp burnt, Sylvania GU10 50W. 50W was likely some useless "incandescent equivalent" measure. Replaced: GE LED 5W 345 lumens 2700K Warm 15k hours, which looks exactly the same.
2019-05: kitchen extractor left lamp burnt. Was: DURA G4 12V20W: www.amazon.co.uk/Halogen-Light-Bulbs-Lamps-5watt/dp/B003IVP12A Replaced: Sainsbury's halogen G4 20W12V.
When I came, two Bell GU4 (MR11) 20W 12v.
One burnt. Put in an ASDA halogen one.
ASDA burnt, put in TopLux on right, old Bell left.
2019-01-24, right one burnt a few days ago, old Bell still works. Inner part black, and black dot on the wire. Putting new TopLux again, but this time on the left, old bell on right.
2019-01-24 toilet top lamp also burnt a few days ago, but not at the same time as mirror. Diall, 240V 40W, GU10. Putting in IKEA 240V 35W.
2019-02-02 toilet mirror lamp left (TopLux) burnt. Don't know what to do anymore. Only the magic Bell lamp works.
2019-03-06 toilet top lamp left burnt, IKEA 240V 35W GU10. Putting in another one.
2019-03-28 toilet top lamp right burnt, IKEA 240V 35W GU10. Waiting for people to come to look at transformer, there is definitely something wrong.
2019-04-03 top lamps: replaced with LED (LAP GU10 3W) since lower power, transformer not changed. Mirror lamps: transformer changed, left one replaced with Homebase Halogen 20W 12V. When I came back lamps flickering badly and sometimes not turning on, recalled technician.
2019-04-12 mirror lamp: it was just he connector that was bad, it was changed, also put LEDs there to make it less warm and hopefully have less tear on connector.

Toilet sink

words: 2
2021-04 clogged

Cell phones

words: 240 articles: 5
£112.99
Buying 2023-19 as an immediate backup phone after the Google Pixel 3a (2020) touchscreen died, and Motorola Moto G6 Play (2018) wouldn't connect to giffgaff.
www.gsmarena.com/nokia_g22-12137.php
Bought: January 2020 from store.google.com/ for 350 pounds.
Official specs: support.google.com/pixelphone/answer/7158570?hl=en&ref_topic=7530176
GMS Arena: www.gsmarena.com/google_pixel_3a-9408.php
Front camera video on Android 11: about 100MiB / minute. The encoding is however super inefficient, a FFmpeg re-encode without any options reduces it by 1/3.
For Fastboot mode: Power and Volume down simultaneously for 10-15s. It is OK if screen sleeps. On "no command", power then volume up to see options.
2023-10: touchscreen not registering touches anymore. Still displays images. Manage to regain access with wired USB mouse + a simple USB-C adapter. RIP. Will attempt replacement: store.ifixit.co.uk/products/google-pixel-3a-screen-genuine?variant=42388954448071, partly to get Authy access which I had never properly tested... Replaced screen, but at exact same status as before: shows image but no touch. thus I wasted my money and time (minus the learning) something else is broken.
This is crap, became slow very fast. The battery is IMPOSSIBLE to remove!!! youtu.be/kO-RwIQ_i1w?t=162 Battery was 4.163V when thing wouldn't turn on anymore. But topbattery.co.uk/product/original-battery-for-tablet-lenovo-yoga-tab-3-yt3-x50fyt3-x50m-sl20076-2/ says it is 3.6V. What?
Circa 2020, a bowl fell on it from about 25 cm height and broke the screen. £159.99.
www.gsmarena.com/motorola_moto_g6_play-9002.php Upgradable to Android 9.
2023-10: unable to connect to Giffgaff. "Network unavailable". Same SIM works in other phones. So annoying. Update APN to match: www.giffgaff.com/help/articles/internet-apn-settings-guide. Went next to a tower and then got signal. So the receiver is much worse than the pixel one. Vibration appears to be broken.
Authy sync worked: 2023.

Computers

words: 3k articles: 34
Machines used extensively while developing the Linux Kernel Module Cheat will be documented there for reference performance.
Manual: www.tp-link.com/uk/support/download/archer-vr2800/
Admin IP address: 192.168.1.1/
Giving that a try because the Talktalk router is shit, Wifi is way too weak. Produced a great improvement over two doors, way more than the previously bought tp-link repeater!
MAC addresses
TODO same for both?
Setupsetup with TP Link ARCHER VR2800 for longer range wifi, too hard:
Get IP Using Unicast DHCP
Bibliography:
www.philips.co.uk/c-p/D4002W_22/cordless-phone
Takes two AAA rechargeable batteries.
2021-08: rechargeable battery charges were in, nominal marked 1.2V nickel metal hydride, measured as 1.38V and 1.42V.

Laptop

words: 2k articles: 10

Lenovo ThinkPad P14s gen4 amd

words: 424 articles: 2
Bought: November 2023 during Black Friday sale for £1,323.00 to be Ciro Santilli's main personal laptop.
Six years after, and we are 2x on every key spec (except processor Hz ;-) at about 1/2 the price and 1/2 the weight (though smaller 14" screen for greater portability), so not bad! Customized to max out each hardware spec:
Specs:
  • Processor: AMD Ryzen™ 7 PRO 7840U Processor (3.30 GHz up to 5.10 GHz)
  • Operating System: No Operating Systemselected upgrade
  • Operating System Language: No Operating System Languageselected upgrade
  • Microsoft Productivity Software: None
  • Memory: 64 GB LPDDR5X-6400MHz (Soldered)selected upgrade. Specs at: www.lenovo.com/gb/en/p/accessories-and-software/memory-and-storage/memory-and-storage-hard-drives/4xb1d04758 quotes "64 Gbps", i.e. 8 GB/s. dd count=1M if=/dev/zero of=tmp gives only 255 MB/s however.
  • Solid State Drive: 2 TB SSD M.2 2280 PCIe Gen4 Performance TLC Opalselected upgrade
  • Display: 14" WUXGA (1920 x 1200), IPS, Anti-Glare, Touch, 45%NTSC, 300 nits, 60Hz
  • Graphic Card: Integrated Graphics
    The Ubuntu 23.10 "About system GUI describes its graphics as: Radeon 780M Graphics × 16, which e.g. www.techpowerup.com/gpu-specs/radeon-780m.c4020 documents as running the RDNA 3 microarchitecture.
  • Camera: 1080P FHD RGB/IR Hybrid with Microphone
  • Color: Thunder Black
  • Factory Color Calibration: No Factory Color Calibration
  • Wireless: Qualcomm Wi-Fi 6E NFA725A 2x2 AX & Bluetooth® 5.1 or above
  • Integrated Mobile Broadband: No Wireless WAN
  • Ethernet: Wired Ethernet
  • Near Field Communication: No NFC
  • Fingerprint Reader: Fingerprint Reader
  • Keyboard: Black - English (EU)selected upgrade
  • Battery: 4 Cell Li-Polymer 52.5Whselected upgrade
  • Power Cord: 65W USB-C Slim 90% PCC 3pin AC Adapter - UKselected upgrade
  • Electronic Privacy Filter: No ePrivacy Filter
  • Adobe Elements: None
  • Adobe Acrobat: None
  • Adobe Creative Cloud: None
  • Security Software: None
  • Cloud Security Software: No Cloud Security Software
  • Warranty: 3 Year Courier or Carry-in
Identifiers:
Upon arrival:
  • Weight: 1490 g
  • Charger weight: 323 g
  • Firmware according to sudo dmidecode -t bios:
    Vendor: LENOVO
    Version: R2FET33W (1.13 )
    Release Date: 09/08/2023
Buy research:
Log:
2024-01-17: firmware update:
Vendor: LENOVO
Version: R2FET36W (1.16 )
Release Date: 10/24/2023
Actually fixed performance mode: askubuntu.com/questions/604720/setting-to-high-performance/1343879#1343879
Asked:
On Ubuntu 23.10, under Settings > Displays, Mirror works, but "Join" does not allow to Apply with message:
Changes Cannot be Applied. This could be due to hardware limitations.
Works on X Window System, it is a Wayland bug.
Related:
Ubuntu 23.10:
glmark2 -b build:duration=3:model=horse
~22K
The P51 is a bit too heavy, and the battery could be better!

Lenovo ThinkPad P51 (2017)

words: 1k articles: 5
Bought: 2017 for approximately 2400 pounds to be Ciro Santilli's main personal laptop.
Specs:
  • screen: 15.6 inches, 16:9
  • weight: 2691g (self weight in 2023)
  • charger weight: 700g (self weight in 2023)
Identifiers:
P51 hardware
words: 475 articles: 2
lspci
output:
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 05)
00:01.0 PCI bridge: Intel Corporation 6th-10th Gen Core Processor PCIe Controller (x16) (rev 05)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
00:14.0 USB controller: Intel Corporation 100 Series/C230 Series Chipset Family USB 3.0 xHCI Controller (rev 31)
00:14.2 Signal processing controller: Intel Corporation 100 Series/C230 Series Chipset Family Thermal Subsystem (rev 31)
00:15.0 Signal processing controller: Intel Corporation 100 Series/C230 Series Chipset Family Serial IO I2C Controller #0 (rev 31)
00:16.0 Communication controller: Intel Corporation 100 Series/C230 Series Chipset Family MEI Controller #1 (rev 31)
00:17.0 SATA controller: Intel Corporation Q170/Q150/B150/H170/H110/Z170/CM236 Chipset SATA Controller [AHCI Mode] (rev 31)
00:1c.0 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #1 (rev f1)
00:1c.2 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #3 (rev f1)
00:1c.4 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #5 (rev f1)
00:1d.0 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #9 (rev f1)
00:1d.4 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #13 (rev f1)
00:1f.0 ISA bridge: Intel Corporation CM238 Chipset LPC/eSPI Controller (rev 31)
00:1f.2 Memory controller: Intel Corporation 100 Series/C230 Series Chipset Family Power Management Controller (rev 31)
00:1f.3 Audio device: Intel Corporation CM238 HD Audio Controller (rev 31)
00:1f.4 SMBus: Intel Corporation 100 Series/C230 Series Chipset Family SMBus (rev 31)
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (5) I219-LM (rev 31)
01:00.0 VGA compatible controller: NVIDIA Corporation GM107GLM [Quadro M1200 Mobile] (rev a2)
01:00.1 Audio device: NVIDIA Corporation GM107 High Definition Audio Controller [GeForce 940MX] (rev a1)
04:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78)
3e:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
3f:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
lspci -t
output:
-[0000:00]-+-00.0
           +-00.2
           +-01.0
           +-02.0
           +-02.1-[01]----00.0
           +-02.2-[02]----00.0
           +-02.4-[03]----00.0
           +-03.0
           +-04.0
           +-04.1-[04-63]--
           +-08.0
           +-08.1-[64]--+-00.0
           |            +-00.1
           |            +-00.2
           |            +-00.3
           |            +-00.4
           |            +-00.5
           |            \-00.6
           +-08.2-[65]--+-00.0
           |            \-00.1
           +-08.3-[66]--+-00.0
           |            +-00.3
           |            +-00.4
           |            \-00.6
           +-14.0
           +-14.3
           +-18.0
           +-18.1
           +-18.2
           +-18.3
           +-18.4
           +-18.5
           +-18.6
           \-18.7
PCIe TLC OPAL2.
www.samsung.com/semiconductor/ssd/client-ssd/MZVLB512HAJQ/ (archive).
www.samsung.com/semiconductor/global.semi/file/resource/2018/05/PM981_M.2_SSD_Datasheet_v1.3_for_General.pdf | web.archive.org/web/20181224225410/https://www.samsung.com/semiconductor/global.semi/file/resource/2018/05/PM981_M.2_SSD_Datasheet_v1.3_for_General.pdf
sudo hdparm -Tt /dev/nvme0n1p5 on Ubuntu 20.04:
 Timing cached reads:   29812 MB in  1.99 seconds = 15007.00 MB/sec
 HDIO_DRIVE_CMD(identify) failed: Inappropriate ioctl for device
 Timing buffered disk reads: 6328 MB in  3.00 seconds = 2109.00 MB/sec
Nominal maximum sequential read speed: 3,000 MB/s
1TB.
www.disctech.com/Seagate-ST1000LM035-1TB-SATA-Hard-Drive 80 USD | web.archive.org/web/20181224201408/https://www.disctech.com/Seagate-ST1000LM035-1TB-SATA-Hard-Drive
www.seagate.com/www-content/datasheets/pdfs/mobile-hddDS1861-2-1603-en_US.pdf | web.archive.org/web/20181225095438/https://www.seagate.com/www-content/datasheets/pdfs/mobile-hddDS1861-2-1603-en_US.pdf
sudo hdparm -Tt /dev/sda3 on Ubuntu 20.04:
 Timing cached reads:   29594 MB in  1.99 seconds = 14893.89 MB/sec
 Timing buffered disk reads: 386 MB in  3.01 seconds = 128.07 MB/sec
....
Nominal maximum speed: 140 MB/s
cirosantilli.com/linux-kernel-module-cheat/#p51 (permalink)
2020-06-06: dropped some lemon juice on the bottom left of touchpad. Bottom left button not working anymore... I'm an idiot. There are many other alternatives, but very aggravating, I'll replace it for sure. Can't find the exact replacement part or any videos showing its replacement online easliy, dang. For the T430: www.youtube.com/watch?v=F3lzV9uXRjU Asked at: forums.lenovo.com/t5/ThinkPad-P-and-W-Series-Mobile-Workstations/P51-left-bottom-button-below-trackpad-mouse-left-click-stopped-working-possible-to-replace/m-p/5019903 Also I could not access it because you need to remove the HDD first: www.youtube.com/watch?v=5Klawxc7T_Y and I can't pull it out even with considerable force, unlike in the video... And OMG, those button caps are impossible to re-install once removed!!! Then when I put the whole thing back together, the upper buttons were not working anymore. FUUUUUUUUCK. When first opening I pulled on it without properly removing the cap and it came off, but it didn't look broken in any way and I put it back in. Keyboard works thank God, so right black connector is fine, left white one oppears to be the one for upper keys and trackpoint, both of which stopped working. The hardware manual confirms that they are both part of the same device, so basically a mouse :-) TODO can it be bought separately from te keyboard? Doesn't look like it, photo of keyboard part includes those buttons. The manual also confirms that the bottom buttons are one device with the trackpad "trackpad with buttons", thus forming the second entire mouse.
2019-04-17: popup asking about "ThinkPad P51 Management Engine Update" from from 182.29.3287 to 184.60.3561, said yes.
Ubuntu 17.10 setup after buying it:
Battery life shown by Ubuntu battery app after installation:
P51 benchmark
words: 9
Ubuntu 23.10:
glmark2 -b build:duration=3:model=horse
~4.8K
Monero 0.18.3.1 hashrate: 2.6 KH/s

Orange Pi PC

words: 41
www.orangepi.org/orangepipc/
Board LED does not turn on (turned on on first plug, Ethernet always turns on):
Now just HDMI does not work. Possibly a monitor vs television problem:
General information: Micro Bit v1
The file:
/media/$USER/MICROBIT/DETAILS.TXT
contains:
DAPLink Firmware - see https://mbed.com/daplink
Version: 0234
Build:   Oct 12 2015 14:53:22
2022-10-14: stopped being able to connect to Ubuntu 22.04. Was trying to do a UART video demo, connected USB, disconnected, connected, disconnected several times on different filming attempts. Was working some of the time, Ubuntu did recognize it, I even saw UART output for sure, but was a bit unstable. But then at one point it just stopped getting recognized by Ubuntu 100% of the time. The board is still being powered by USB, and the previously flashed program still runs, but nothing showed on sudo dmesg -w at all, and I can't reprogram it!
A day later, managed to get tit to connect once more with a different cable, but just once!
[15310.385055] usb 1-5: new full-speed USB device number 38 using xhci_hcd
[15310.534996] usb 1-5: New USB device found, idVendor=0d28, idProduct=0204, bcdDevice=10.00
[15310.535000] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[15310.535001] usb 1-5: Product: MBED CMSIS-DAP
[15310.535002] usb 1-5: Manufacturer: MBED
[15310.535003] usb 1-5: SerialNumber: 9900023436424e45001d30150000005d00000000cb8928bd
[15310.541267] usb-storage 1-5:1.0: USB Mass Storage device detected
[15310.541643] scsi host4: usb-storage 1-5:1.0
[15310.542658] hid-generic 0003:0D28:0204.000A: hiddev1,hidraw2: USB HID v1.00 Device [MBED MBED CMSIS-DAP] on usb-0000:00:14.0-5/input3
[15310.543121] cdc_acm 1-5:1.1: ttyACM0: USB ACM device
[15311.549969] scsi 4:0:0:0: Direct-Access     MBED     DAPLINK VFS      0.1  PQ: 0 ANSI: 2
[15311.550273] scsi 4:0:0:0: Attached scsi generic sg1 type 0
[15311.550825] sd 4:0:0:0: [sdb] 16512 512-byte logical blocks: (8.45 MB/8.06 MiB)
[15311.551052] sd 4:0:0:0: [sdb] Write Protect is off
[15311.551054] sd 4:0:0:0: [sdb] Mode Sense: 03 00 00 00
[15311.551204] sd 4:0:0:0: [sdb] No Caching mode page found
[15311.551207] sd 4:0:0:0: [sdb] Assuming drive cache: write through
[15311.572160] sd 4:0:0:0: [sdb] Attached SCSI removable disk
[15316.317438] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15316.445093] usb 1-5: device descriptor read/64, error -71
[15316.681102] usb 1-5: device descriptor read/64, error -71
[15316.917102] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15317.045028] usb 1-5: device descriptor read/64, error -71
[15317.281149] usb 1-5: device descriptor read/64, error -71
[15317.517154] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15317.517466] usb 1-5: Device not responding to setup address.
[15317.725358] usb 1-5: Device not responding to setup address.
[15317.933042] usb 1-5: device not accepting address 38, error -71
[15318.061027] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15318.061347] usb 1-5: Device not responding to setup address.
[15318.269270] usb 1-5: Device not responding to setup address.
[15318.477018] usb 1-5: device not accepting address 38, error -71
[15318.477153] usb 1-5: USB disconnect, device number 38
[15318.652912] usb 1-5: new full-speed USB device number 39 using xhci_hcd
[15318.785044] usb 1-5: device descriptor read/64, error -71
[15319.021068] usb 1-5: device descriptor read/64, error -71
[15319.257030] usb 1-5: new full-speed USB device number 40 using xhci_hcd
[15319.385075] usb 1-5: device descriptor read/64, error -71
[15319.621147] usb 1-5: device descriptor read/64, error -71
[15319.729170] usb usb1-port5: attempt power cycle
[15320.384941] usb 1-5: new full-speed USB device number 41 using xhci_hcd
[15320.385176] usb 1-5: Device not responding to setup address.
[15320.593188] usb 1-5: Device not responding to setup address.
[15320.801023] usb 1-5: device not accepting address 41, error -71
[15320.928909] usb 1-5: new full-speed USB device number 42 using xhci_hcd
[15320.929073] usb 1-5: Device not responding to setup address.
[15321.137244] usb 1-5: Device not responding to setup address.
[15321.344947] usb 1-5: device not accepting address 42, error -71
[15321.345173] usb usb1-port5: unable to enumerate USB device
[15321.384929] FAT-fs (sdb): unable to read boot sector to mark fs as dirty
Some threads:
Exact same USB and port could still mount the Raspberry Pi Pico.

Raspberry Pis

words: 105 articles: 3
About the brand: Raspberry Pi
With pre-soldered male pin headers.
>>> machine.unique_id()
b'\xe6ad\x08C8%$'

Raspberry Pi 2

words: 66
As of 2018-12, I believe that I might have fried the UART on this board when I burnt my last UART to USB converter by connecting ground to 5V.
Linux kernel logs don't show, but do show with the exact same components on the Pi 3 (SD card with enable_uart=1 + image Raspbian Lite 2018-11-03 and UART cables).
Serial from cat /proc/cpuinfo: 00000000a50c1f69
Datasheets: Raspberry Pi 2.

Raspberry Pi 3

words: 28
Linux on SSH and bare metal blinker both work on this board, so the rest of the board seems alive.
Serial from cat /proc/cpuinfo: 00000000c77ddb77
Datasheets: Raspberry Pi 3.

Computer accessories

words: 581 articles: 13

Monitors

words: 19 articles: 2
Dell P2720D
words: 19
27 Inch QHD (2560x1440) Monitor, 60Hz, IPS, 5ms, Ultrathin Bezel, 99% sRGB, DisplayPort, HDMI, 5x USB, 3 Year Warranty

Internet speed

words: 37 articles: 1
Home 2017 TalkTalk 38Mbps nominal, Google M-lab speed test:
  • 36.4 Mbps download
  • 9.15 Mbps up
  • 58 ms latency over 80km of first world
Virgin hub 3.0. mega minimal manual: web.archive.org/web/20220930011319/https://www.virginmedia.com/content/dam/virginmedia/dotcom/documents/corporate/userg-guide_broadband_superhub3.pdf
Home 2023:
  • cell phone wifi: 260 Mps download

External storage

words: 374 articles: 4
WD Elements 20TBToshiba MK1059GSMWD10EADS-42P6B0
20 TB1 TB1 TB
Bought December 2023 for 300 pounds, so 15 pounds / TB. Needs power supply unfrotunately besides USB, the largest one without needing power supply was only 5 TB at the time so not worth it, given that my P14s alreay carriers 2 TB. 10x is a must for the external crap.
www.westerndigital.com/en-gb/products/external-drives/wd-elements-desktop-usb-3-0-hdd?sku=WDBWLG0030HBK-EESN (archive)
Noise: it has a constant pleasant hum, with a not so nice click every 5 seconds or so. Reasonable, but not amazingly incredible.
The size is reasonable, not megaportable, but definitely reasonable.
~1TB.
Internal hard drive likely removed from some old computer I lost track of, kept in a crappy case, incredible stuff.
Ubuntu 20.04 gnome-disks benchmark, NTFS partition: 40MB/s.
~1TB.
Has a separate power cord, not USB powered. Unbelievable. Edit: actually high ends are still like that as of 2023, e.g. at that time, a the max non-cabled was 5 TB, but top of line was 20 TB.
Disk label: wd1t.
Ubuntu 20.04 gnome-disks benchmark, ext4 partition: 37MB/s.
~8GB, lsblk reports 7796176 * 1KB = 7983284224 bytes.
We got a handful of those from École Polytechnique at the end of studies I think.
They are shaped like bicornes, which is super cool, but also super impractical!
Markings: "AX ÉCOLE POLYTECHNIQUE PROMOTION X2009"
20.04 gnome-disks program reports it as: "SMI USB DISK".
From Ubuntu 20.04 on an ext4 formatted one:
/dev/sdb:
 Timing cached reads:   28656 MB in  1.99 seconds = 14421.31 MB/sec
SG_IO: bad/missing sense data, sb[]:  70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 Timing buffered disk reads:  42 MB in  3.03 seconds =  13.88 MB/sec
With Linux Unified Key Setup + ext4 the results are similar, maybe hdparam bypasses it?
/dev/sdb:
 Timing cached reads:   28326 MB in  1.99 seconds = 14251.55 MB/sec
SG_IO: bad/missing sense data, sb[]:  70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 Timing buffered disk reads:  38 MB in  3.11 seconds =  12.23 MB/sec
gnome-disks LUKS + ext4 benchmark with default params also gives about 14 MB/s.

Headphone

words: 151 articles: 2
Skullcandy earphones, first one circa. 2016 most likely. Used them a lot, these are good.
2023-07: one of the sides broke near center, rebuying.
2021-07: wire half broke near connector, only works in some positions. The funny thing is: only voices seem to be blocked out! Rebuying.
2021-06: a small bottom piece of the left earpiece broke. Wire seems find, that is like a little extension to protect wire. Let's see for how long.
2020-20: wires at one of ears broke, not sure how.
Look they looked exactly like: "Skullcandy Smokin' Buds 2 In-Ear Audio Earbud Headphones with In-Line Microphone - Black".
Re-buying that one 10 pounds:
Tech specs:
Weight: 4g
Connection Type: 3.5mm AUX Cable
Impedence: 32 ohms
Driver Diameter: 9mm
THD: <0.1% (1mW/500Hz) (0.0234)
Sound Pressure Level: 95 dB (1mW/500Hz)
Frequency Response: 20kHz - 20Hz
Headphone Type: In-Ear
Bought: 2022.
www.skullcandy.com/shop/earbuds/inkd-plus/
Noticeably worse than the Skullcandy Smokin' Buds 2 for a similar price.

Wearables

words: 192 articles: 5

Backpacks

words: 103
2024-04: got two backpacks "for free" with the Lenovo reward points from buying the Lenovo ThinkPad P14s gen4 amd, not bad, that was already cheap and now I got some extra swag:
The sport backpack has a fatal flaw: no strap to hold laptop in place, wo it just tumbles back and forth as you walk.
Neither of them have very good padding below the laptop, but at least the Elite one has a slightly elevated inner bag which woudl likely help a lot in case of a drop.

Shoes

words: 89 articles: 3
For sizing see also: Ciro Santilli's body.
Bought 2021-11, light brown, size EUR 44.5, 190$, waterproof: www.timberland.co.uk/shop/en/tbl-uk/larchmont-chukka-for-men-in-brown-a12es210
Made four blisters on back of foot on first two days after walking a few hours on them, but then put on some tape on foot, and stopped hurting after that, so the shoe broke quickly.
Bought 2021-11, grey, size EUR 44.5, 80$ (later found cheaper online): www.sportsdirect.com/nike-run-swift-2-running-shoes-mens-121052
Amazing shoes! Wore them to their destruction.
www.amazon.in/Nike-Mens-Experience-Running-Shoes/dp/B07CQLHV9C (archive).
Shoestring length: 1.185m
Replaced with after bicycle ate it: 1.0m, also worked but at limit.
Size: EUR 45.

Baby hardware

words: 57

Ancestors

  1. Ciro Santilli
  2. Ciro Santilli's Homepage