Board:asus/m4a785-m

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This HOWTO explains how to use coreboot on the M4A785-M board.

Status

Device/functionality Status Comments
CPU
CPU works OK Tested with Athlon64 X2 240e
L1 cache enabled OK -
L2 cache enabled OK -
L3 cache enabled N/A
Multiple CPU support N/A
Multi-core support OK
Hardware virtualization N/A
RAM
EDO N/A
SDRAM N/A
SO-DIMM N/A
DDR WIP N/A
DDR2 2G works, 4G or more does not
DDR3 N/A
Dual channel support Untested
ECC support Untested
On-board Hardware
On-board IDE 3.5" OK
On-board IDE 2.5" N/A
On-board SATA OK Tested SATA ports 1-4
On-board SCSI Unknown
On-board USB
On-board VGA OK
On-board ethernet OK
On-board audio No Linux driver crashes
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
Add-on slots/cards
ISA add-on cards N/A
Audio/Modem-Riser (AMR/CNR) cards N/A
PCI add-on cards OK see known issues
Mini-PCI add-on cards N/A
PCI-X add-on cards N/A
AGP graphics cards N/A
PCI Express x1 add-on cards
PCI Express x2 add-on cards N/A
PCI Express x4 add-on cards Untested
PCI Express x8 add-on cards N/A
PCI Express x16 add-on cards WIP
PCI Express x32 add-on cards N/A
HTX add-on cards N/A
Legacy / Super I/O
Floppy WIP
Serial port 1 (COM1) OK
Serial port 2 (COM2) N/A
Parallel port
PS/2 keyboard OK
PS/2 mouse Untested
Game port N/A
Infrared N/A
PC speaker Untested
DiskOnChip N/A
Miscellaneous
Sensors / fan control
Hardware watchdog N/A
SMBus Unknown
CAN bus N/A
CPU frequency scaling No
Other powersaving features N/A
ACPI Partial
Reboot
Poweroff
Suspend Unknown
Nonstandard LEDs
High precision event timers (HPET)
Random number generator (RNG) N/A
Wake on modem ring Untested
Wake on LAN
Wake on keyboard Untested
Wake on mouse Untested
Flashrom OK

Building coreboot

See the Build HOWTO for information on how to build coreboot for this board.

Revision 5795 builds with patches. TODO: Details

Known issues

RAM

  • 2 GB RAM (1x2GB) - Boots
  • 4 GB RAM (2x2GB) - Payload crashes
  • 6 GB RAM (3x2GB) - Payload crashes
Public domain I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.