Board:asus/kfsn4-dre: Difference between revisions

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The KFSN4-DRE is a relatively modern AMD Family 10h motherboard. It is well supported and stable under Coreboot, with all CPUs, RAM, and peripherals functioning normally.
[[File:Kfsn4-dre-mainboard-raptor-devsys.png|400px|thumb|right|ASUS KFSN4-DRE PCB 1.04G at Raptor Engineering.]]


Boot times on warm reset with single Opteron 8356 CPU and 2G RAM:
== General Information ==


With VGA:
The KFSN4-DRE is a relatively modern AMD K8 / Family 10h motherboard.  It is well supported and stable under Coreboot with Family 10h processors, with all CPUs, RAM, and peripherals functioning normally.  K8 processors currently require specific RAM configurations to work correctly.
  10:start of ramstage            20,261
  30:device enumeration            25,566 (5,304)
  40:device configuration          50,219 (24,653)
  50:device enable                108,559 (58,339)
  60:device initialization        109,734 (1,175)
  70:device setup done            1,056,523 (946,789)
  75:cbmem post                    1,057,578 (1,054)
  80:write tables                  1,058,641 (1,063)
  90:load payload                  1,064,180 (5,539)
  99:selfboot jump                1,123,383 (59,202)


Without VGA:
This board is automatically tested by Raptor Engineering's test stand.  For more details please visit [[AutoTest/RaptorEngineering]].
  10:start of ramstage            20,265
 
  30:device enumeration            25,544 (5,278)
== Installation Notes ==
  40:device configuration          50,224 (24,680)
* coreboot can be flashed internally when migrating from the proprietary BIOS.  Flashrom can safely reprogram the ROM under Linux.
  50:device enable                108,563 (58,338)
* When migrating from the proprietary BIOS, after flashing coreboot the CMOS memory should be cleared.  Failing to clear the CMOS could result in odd hangs during the boot process.
  60:device initialization        109,740 (1,176)
 
  70:device setup done            1,056,546 (946,806)
== Known Issues ==
  75:cbmem post                    1,057,608 (1,062)
It has recently come to my attention that booting from USB mass storage devices is not possible.  Both SeaBIOS and GRUB fail to see any attached flash drives, even though the USB keyboard functions normally.  Also, grub is unable to properly initialize the USB keyboard (very slow typing rate, several seconds per character), but SeaBIOS functions normally.  Additional debugging is needed by an interested party to resolve these issues. [[User:Tpearson|Tpearson]] ([[User talk:Tpearson|talk]])
  80:write tables                  1,058,672 (1,063)
 
  90:load payload                  1,064,212 (5,540)
[[Category:Tutorials]]
  99:selfboot jump                1,123,423 (59,210)

Latest revision as of 17:01, 11 October 2016

ASUS KFSN4-DRE PCB 1.04G at Raptor Engineering.

General Information

The KFSN4-DRE is a relatively modern AMD K8 / Family 10h motherboard. It is well supported and stable under Coreboot with Family 10h processors, with all CPUs, RAM, and peripherals functioning normally. K8 processors currently require specific RAM configurations to work correctly.

This board is automatically tested by Raptor Engineering's test stand. For more details please visit AutoTest/RaptorEngineering.

Installation Notes

  • coreboot can be flashed internally when migrating from the proprietary BIOS. Flashrom can safely reprogram the ROM under Linux.
  • When migrating from the proprietary BIOS, after flashing coreboot the CMOS memory should be cleared. Failing to clear the CMOS could result in odd hangs during the boot process.

Known Issues

It has recently come to my attention that booting from USB mass storage devices is not possible. Both SeaBIOS and GRUB fail to see any attached flash drives, even though the USB keyboard functions normally. Also, grub is unable to properly initialize the USB keyboard (very slow typing rate, several seconds per character), but SeaBIOS functions normally. Additional debugging is needed by an interested party to resolve these issues. Tpearson (talk)

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