Board:lenovo/t400

The wiki is being retired!

Documentation is now handled by the same processes we use for code: Add something to the Documentation/ directory in the coreboot repo, and it will be rendered to https://doc.coreboot.org/. Contributions welcome!

The Lenovo T400 is supported.

Status

Device/functionality	Status	Comments
CPU
CPU works	OK
L1 cache enabled	OK	Always on
L2 cache enabled	OK	Always on
L3 cache enabled	N/A
Multiple CPU support	N/A
Multi-core support	OK
Hardware virtualization	Unknown
RAM
EDO	N/A
SDRAM	N/A
SO-DIMM	N/A
DDR	N/A
DDR2	N/A
DDR3	OK	Native
Dual channel support	OK
ECC support	N/A
On-board Hardware
On-board IDE 3.5"	N/A
On-board IDE 2.5"	N/A
On-board SATA	OK	Internal and UltraBay working
On-board SCSI	N/A
On-board USB	OK
On-board VGA	OK
On-board Ethernet	OK
On-board Audio	OK
On-board Modem	N/A
On-board FireWire	Untested
On-board Smartcard reader	N/A
On-board CompactFlash	N/A
On-board PCMCIA	Untested
On-board Wifi	OK
On-board Bluetooth	Untested
On-board SD card reader	N/A
Add-on slots/cards
ISA add-on cards	N/A
Audio/Modem-Riser (AMR/CNR) cards	N/A
PCI add-on cards	N/A
Mini-PCI add-on cards	N/A
Mini-PCI-Express add-on cards	Unknown
PCI-X add-on cards	N/A
AGP graphics cards	N/A
PCI Express x1 add-on cards	N/A
PCI Express x2 add-on cards	N/A
PCI Express x4 add-on cards	N/A
PCI Express x8 add-on cards	N/A
PCI Express x16 add-on cards	OK
PCI Express x32 add-on cards	N/A
HTX add-on cards	N/A
Legacy / Super I/O
Floppy	N/A
Serial port 1 (COM1)	N/A
Serial port 2 (COM2)	N/A
Parallel port	N/A
PS/2 keyboard	N/A
PS/2 mouse	N/A
Game port	N/A
Infrared	N/A
PC speaker	OK
DiskOnChip	N/A
Input
Trackpoint	OK
Touchpad	OK
Fn Hotkeys	OK
Fingerprint Reader	Untested
Laptop
Docking VGA	Untested
Docking LAN	OK
Docking USB	OK
Docking Audio	Untested
Docking Displayport	Untested
Thinklight	OK
Webcam	-
Miscellaneous
Sensors / fan control	Untested
Hardware watchdog	Untested
SMBus	Untested
CAN bus	N/A
CPU frequency scaling	OK
Other powersaving features	N/A
ACPI	OK
Reboot	OK
Poweroff	OK
Suspend	OK	Every once in a while resume fails, requiring removal of the RTC battery and all power sources to recover
Nonstandard LEDs	N/A
High precision event timers (HPET)	OK
Random number generator (RNG)	Untested
Wake on modem ring	N/A
Wake on LAN	Untested
Wake on keyboard	Untested
Wake on mouse	Untested
TPM	Unknown
Flashrom	OK	After external coreboot flash internal flashing works, provided the flash lock bits were not set in the coreboot image

AMD GPU

State of dual graphics on Lenovo Notebooks: Board:lenovo/Nvidia_Optimus

Tested Payloads

SeaBIOS GRUB

Issues

• TODO*

Flashing

• TODO*