AMD DB780E Mahogany

This page describes how to use coreboot on the DB780E Mahogany mainboard. This mainboard has coreboot builds for Family10 and K8 CPUs. http://www.amd.com/us/Documents/46246B_AM2_DB780_brief.pdf

Device/functionality	Status	Comments
CPU
CPU works	OK
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
DDR2	OK	unbuffered, non-ECC (ECC could be enabled with the SERVER option in romstage.c)
DDR3	NA
Dual channel support	N/A
ECC support	N/A
On-board Hardware
On-board IDE 3.5"	N/A
On-board IDE 2.5"	Unknown
On-board SATA	OK
On-board SCSI	N/A
On-board USB	OK
On-board VGA	OK	VBIOS available from AMD
On-board ethernet	OK
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
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
PCI-X add-on cards	N/A
AGP graphics cards	N/A
PCI Express x1 add-on cards	Untested
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	N/A
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
Serial port 2 (COM2)	Untested
Parallel port	N/A
PS/2 keyboard	N/A
PS/2 mouse	N/A
Game port	N/A
Infrared	N/A
PC speaker	Untested
DiskOnChip	N/A
Miscellaneous
Sensors / fan control	WIP
Hardware watchdog	WIP
SMBus	Unknown
CAN bus	N/A
CPU frequency scaling	OK
Other powersaving features	N/A
ACPI	OK
Reboot	OK
Poweroff	OK
Suspend	Unknown
Nonstandard LEDs	OK
High precision event timers (HPET)	Untested
Random number generator (RNG)	N/A
Wake on modem ring	N/A
Wake on LAN	Untested
Wake on keyboard	OK
Wake on mouse	Untested
Flashrom	OK

OS Install

Tested with SeaBIOS 0.6.2

• Windows XP SP3 X86
• Ubuntu 11.04

USB and SATA OK

Lspci

Proprietary bios

AMI

Other issues

The developer must set the correct microcode version for the populated CPU in the mainboards Kconfig file.