ASUS P2B-LS

This page lists the coreboot status of the ASUS P2B-LS mainboard. It's maintained by Keith Hui.

Status

Device/functionality	Status	Comments
CPU
CPU works	OK
L1 cache enabled	OK	CPU: L1 I cache: 16K, L1 D cache: 16K
L2 cache enabled	OK	CPU: L2 cache: 512K (Tested: Pentium III 600MHz)
L3 cache enabled	N/A
Multiple CPU support	N/A
Multi-core support	N/A
Hardware virtualization	N/A
RAM
EDO	WIP
SDRAM	OK
SO-DIMM	N/A
DDR	N/A
DDR2	N/A
DDR3	N/A
Dual channel support	N/A
ECC support	WIP	Not yet supported by the coreboot 440BX code, but it's on our TODO list.
On-board Hardware
On-board IDE 3.5"	OK
On-board IDE 2.5"	N/A
On-board SATA	N/A
On-board SCSI	WIP	Detected, but not properly enabled. This will be fixed soon.
On-board USB	OK
On-board VGA	N/A
On-board ethernet	WIP	Entry for onboard ethernet must be removed from devicetree.cb for it to work. This will be fixed soon.
On-board audio	N/A
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	OK	Tested: ISA POST card and Sound Blaster AWE64 ISA.
Audio/Modem-Riser (AMR/CNR) cards	N/A
PCI add-on cards	OK	Tested: PCI NE2000 compatible ethernet card in all slots.
Mini-PCI add-on cards	N/A
PCI-X add-on cards	N/A
AGP graphics cards	OK	Tested: ATI 3D Rage IIC AGP 1X/2X.
PCI Express x1 add-on cards	N/A
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	Untested
Serial port 1 (COM1)	OK
Serial port 2 (COM2)	OK
Parallel port	Untested
PS/2 keyboard	OK
PS/2 mouse	WIP
Game port	N/A
Infrared	Untested	IR is the alternate role of COM2.
PC speaker	Untested
DiskOnChip	N/A
Miscellaneous
Sensors / fan control	OK	The sensor chip, W83781D, appears on I2C bus instead of ISA bus as with vendor BIOS, and is supported by w83781d and i2c-piix4 kernel modules.
Hardware watchdog	N/A
SMBus		SPD read works. Board has SMBus header, but is not tested.
CAN bus	N/A
CPU frequency scaling	N/A
Other powersaving features	N/A
ACPI	WIP	ACPI support now being worked on.
Reboot	OK
Poweroff	WIP
Suspend	Unknown
Nonstandard LEDs	No	Message LED requires ACPI and OS support.
High precision event timers (HPET)	N/A
Random number generator (RNG)	N/A
Wake on modem ring
Wake on LAN
Wake on keyboard
Wake on mouse
Flashrom	OK	Tested when flashing coreboot when booted both coreboot and vendor BIOS. Board not explicitly supported by flashrom but works out of the box with 0.9.2.

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