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Revision as of 23:58, 20 February 2017 by The7thstranger (talk | contribs)
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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 Contributions welcome!

This page describes how to use coreboot on the Gigabyte ga-g41m-es2l mainboard.

Chip pinout

      B_BIOS                     M_BIOS
-cs   o      vcc-           -vcc---clk-mosi-
-miso           -           |              |
-            clk-           |              |
-gnd        mosi-           |  o           |
 _______________            -cs--miso---gnd-

Status (as of commit 5360c7ef94)

Device/functionality Status Comments
CPU works OK Core 2 Quad up to 1333MHz FSB. Modded LGA771 Xeons included.
L1 cache enabled OK
L2 cache enabled OK
L3 cache enabled N/A
Multiple CPU support N/A
Multi-core support OK
Hardware virtualization OK
DDR2 OK PC2-5300 CAS 5, PC2-6400 CAS 6 and PC2-6400 CAS 5 tested.
Dual channel support N/A
ECC support N/A
On-board Hardware
On-board IDE 3.5" Untested
On-board IDE 2.5" Untested
On-board SATA OK
On-board SCSI N/A
On-board USB OK
On-board VGA OK
On-board Ethernet OK Requires file in CBFS to keep the proper MAC address.
On-board Audio OK
On-board Modem N/A
On-board FireWire N/A
On-board Smartcard reader N/A
On-board CompactFlash N/A
On-board PCMCIA N/A
On-board Wifi N/A
On-board Bluetooth N/A
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 OK
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 Has problems SDVO/ADD2 cards work fine. External GPUs are not yet supported.
PCI Express x32 add-on cards N/A
HTX add-on cards N/A
Legacy / Super I/O
Floppy Untested
Serial port 1 (COM1) OK
Serial port 2 (COM2) N/A
Parallel port Untested
PS/2 keyboard OK
PS/2 mouse Untested
Game port N/A
Infrared N/A
PC speaker N/A
DiskOnChip N/A
Trackpoint N/A
Touchpad N/A
Fn Hotkeys N/A
Fingerprint Reader N/A
Docking VGA N/A
Docking LAN N/A
Docking USB N/A
Docking Audio N/A
Docking Displayport N/A
Thinklight N/A
Webcam N/A
Sensors / fan control OK Fan speed seems fixed. In practice, this is not a problem.
Hardware watchdog Unknown
CAN bus N/A
CPU frequency scaling OK
Other powersaving features Unknown
Reboot OK
Poweroff OK
Suspend OK
Nonstandard LEDs OK
High precision event timers (HPET) Unkown
Random number generator (RNG) N/A
Wake on modem ring N/A
Wake on LAN OK
Wake on keyboard Unknown
Wake on mouse Unknown
TPM Unknown
Flashrom OK Can be flashed from vendor BIOS, with -p internal:dualbiosindex=0/1. Chip 1 can safely be erased with -E.