ASUS F2A85-M

Status

Notes

• The ASUS F2A85-M CSM is same as F2A85-M.
• get VGA from original bios using this:

Source: http://www.coreboot.org/pipermail/coreboot/2012-December/073133.html

for internal VGA: Boot the legacy BIOS, and use http://www.coreboot.org/VGA_support chapter

extracting from your system: dd if=/dev/mem of=vgabios.bin bs=1k count=64 skip=768

You will need following patch to seabios:

--- a/src/optionroms.c
+++ b/src/optionroms.c
@@ -215,7 +215,10 @@ is_pci_vga(struct pci_device *pci)
  {
      if (pci->class != PCI_CLASS_DISPLAY_VGA)
         return 0;
-    u16 cmd = pci_config_readw(pci->bdf, PCI_COMMAND);
+    u16 cmd = pci_config_readw(pci->bdf, PCI_COMMAND) | PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
+
+    pci_config_writew(pci->bdf, PCI_COMMAND, cmd);
+
     if (!(cmd & PCI_COMMAND_IO && cmd & PCI_COMMAND_MEMORY))
         return 0;
     while (pci->parent) {

Reason is unknown, I see coreboot is writing 7 to cmd, but there is actually 6... Maybe there is some magic about IO decode bit...

• Add VGA bios in the menuconfig
• If you use PS/2 de-select legacy free
• De-select running option ROMs, leave this to Seabios
• Use seabios as payload
• Hotswapping has some issues (most likely USB3, disable it in orig bios before hot-flashing to coreboot). Drop a mail to mailing list if you have issues.

TODOs

• test virtualization
• test HDMI
• update VERB tables
• test suspend

Device/functionality	Status	Comments
CPU
CPU works	OK
L1 cache enabled	OK
L2 cache enabled	OK
L3 cache enabled	N/A
Multiple CPU support	OK
Multi-core support	OK
Hardware virtualization	Untested
RAM
EDO	N/A
SDRAM	N/A
SO-DIMM	N/A
DDR	N/A
DDR2	N/A
DDR3	OK	Please select right voltage in menuconfig! Default is 1.5V but some DIMMs need more or less!
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	Tested only first top port on left in sixpack (from outside view).
On-board SCSI	Unknown
On-board USB	Untested
On-board VGA	OK	HDMI untested
On-board ethernet	OK
On-board audio	Untested
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	Unknown
PCI-X add-on cards	Unknown
AGP graphics cards	N/A
PCI Express x1 add-on cards	OK
PCI Express x2 add-on cards	N/A
PCI Express x4 add-on cards	OK
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	Untested
Serial port 1 (COM1)	OK
Serial port 2 (COM2)	N/A
Parallel port	N/A
PS/2 keyboard	OK
PS/2 mouse	Untested
Game port	N/A
Infrared	?
PC speaker	?
DiskOnChip	N/A
Miscellaneous
Sensors / fan control	Untested
Hardware watchdog	Unknown
SMBus	Unknown
CAN bus	N/A
CPU frequency scaling	OK
Other powersaving features	?
ACPI	OK	ACPI power button event works, suspend untested.
Reboot	OK
Poweroff	OK
Suspend	Unknown
Nonstandard LEDs	Unknown
High precision event timers (HPET)	OK
Random number generator (RNG)	?
Wake on modem ring	Untested
Wake on LAN	Untested
Wake on keyboard	Untested
Wake on mouse	Untested
Flashrom	OK

Hardware info

This board ships with a socketed Winbond 25Q64F, 64 Mbit (8 Mbyte) chip, in PDIP 300 mil package:

Winbond 25Q64F

The chip manual is available here

For out of band flashing, I use a

 3M test clip model 923739-08-ND

It has .300" spacing, 8 pin DIP clip, gold finish and 'headless heads'.

Memory

I use:

2x 2GB DDR3 modules in blue slots:

#modprobe i2c-piix4
#modprobe eeprom
#decode-dimms

---=== Memory Characteristics ===---                                                        
Fine time base                                  2.500 ps                                    
Medium time base                                0.125 ns                                    
Maximum module speed                            1333MHz (PC3-10666)                         
Size                                            2048 MB                                     
Banks x Rows x Columns x Bits                   8 x 14 x 10 x 64                            
Ranks                                           2                                           
SDRAM Device Width                              8 bits                                      
tCL-tRCD-tRP-tRAS                               8-8-8-24                                    
Supported CAS Latencies (tCL)                   9T, 8T, 7T, 6T