Board:asus/m4a785-m

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

Status

Device/functionality Status Comments
CPU
CPU works OK Tested: AMD 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 OK
RAM
EDO N/A
SDRAM N/A
SO-DIMM N/A
DDR N/A N/A
DDR2 OK 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 SATA ports 5-6 untested
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 Untested
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) OK No DB-9 connector, pins on board only
Serial port 2 (COM2) N/A
Parallel port Untested No connector, pins on board only
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 Untested
Hardware watchdog N/A
SMBus Unknown
CAN bus N/A
CPU frequency scaling Untested
Other powersaving features Untested
ACPI Partial
Reboot
Poweroff
Suspend Unknown
Nonstandard LEDs
High precision event timers (HPET)
Random number generator (RNG) Untested
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.