Memo for custom thinkpad x220

x220custom-memo.md

Objectives

• pre-research
• gathering informations for customization

TearDown

https://www.ifixit.com/Device/Lenovo_Thinkpad_X220

Specification

https://support.lenovo.com/jp/en/solutions/pd015812

https://www.thinkwiki.org/wiki/Category:X220

Memory

8GB max / PC3-10600 1333MHz DDR3
Base sizes: 1GB, 2GB, 4GB
Non-parity
Dual-channel capable
Two 204-pin SO-DIMM sockets

Maximum DDR3 speed depends on the BIOS version. 
BIOS versions up to 1.28 allow RAM speeds up to 1866MHz. 
BIOS versions 1.29 and above limit RAM to 1333MHz. 
Modified versions of BIOS available that remove this limitation.

https://en.wikipedia.org/wiki/List_of_interface_bit_rates#Dynamic_random-access_memory

Disk

Hard Disk Drive / SATA 3.0Gb/s, 2.5" wide, 7mm high
250 GB, 5,400 rpm / 320 GB, 5,400 rpm
160 GB, 7,200 rpm / 320 GB, 7,200 rpm
Active Protection System™
Removable, upgradable
Shock Mounted Hard Drive
Supports the second disk in optional or standard ThinkPad Ultrabase Series 3

Standard 128GB, 160GB solid state drive sizes.
Fast, reliable, lightweight, and energy-efficient.
Faster data rates and boot-up times than a 7200 rpm mobile hard disk drive (HDD).
Very low failure rates.
Able to withstand harsher environmental and vibration conditions than a mobile HDD.
Consumes less battery power than a mobile HDD.
Significantly lighter than a mobile HDD.

https://www.amazon.co.jp/Crucial-MX500%E3%82%B7%E3%83%AA%E3%83%BC%E3%82%BA-9-5mm%E3%82%A2%E3%83%80%E3%83%97%E3%82%BF%E3%83%BC%E4%BB%98-CT500MX500SSD1-JP/dp/B077PPN5NN/ref=redir_mobile_desktop?_encoding=UTF8&psc=1&ref_=ox_sc_act_image_1&smid=A12V3H1SGK1HPR

Keyboard

https://support.lenovo.com/jp/en/solutions/pd013449