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ThinkPad X1 ( https://www.thinkwiki.org/wiki/Category:X1 ) is nearly a clone of X220, with additional USB3 controller on pci-e (as i7 variant of x220), and a powered ESATA port wired to ata4 (Linux' annotation). Documentation added. Tested: - CPU i5-2520M - Slotted DIMM 8GiB - Camera - Mini pci-e on wlan slot - Msata on wwan slot - On board SDHCI connected to pci-e - USB3 controller connected to pci-e - NVRAM options for North and South bridges - S3 - TPM1 on LPC - Linux 4.9.110-3 within Debian GNU/Linux stable, loaded from SeaBIOS, or Linux payload (Heads) Not tested: - Fingerprint reader on USB2 - Onboard USB2 interfaces (wlan slot, wwan slot) Change-Id: Ibbc45f22c63b77ac95c188db825d0d7e2b03d2d1 Signed-off-by: Bill XIE <persmule@gmail.com> Reviewed-on: https://review.coreboot.org/c/29434 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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1.1 KiB
Lenovo T4xx series disassembly instructions
A skilled engineer takes around 40 minutes to disassemble, flash and reassemble the whole device.
Read their Hardware Maintenance Manual for detailed steps.
Steps to access the flash IC
- Unplug the main battery
- Remove the harddisk, CDROM, ExpressCard, SIM-card, SDcard, SmartCard, ...
- Open the bottom flap and remove the keyboard screw
- Remove the keyboard
- Remove the screen
- Remove the top enclosure
- Remove the CMOS battery
- Remove the speakers
- Remove WWAN and WIFI card
- Remove the CPU fan
- Unplug the power cable
- Remove the bottom enclosure
- Flip the mainboard and remove the main frame
Docking stations
The following docking stations are supported by coreboot:
- Type 2505
- VGA, Ethernet, Modem, PS2, 4 USB Ports
- Dock ID on pc87382 reads as: 2
- Type 2504
- Serial, LPT, LEDs, Audio, DVI, VGA, Ethernet, Modem, PS2, 4 USB Ports
- Dock ID on pc87382 reads as: 1
- PNP IO address of SuperIO pc87384: 0x2e
There's no hotplug support for LPT and Serial on Type 2504.
The Dock ID reads as 7 if no dock is connected.