IEI LX 800

Status

Device/functionality	Status	Comments
CPU
CPU works	OK	AMD Geode LX-800-500MHz.
L1 cache enabled	OK
L2 cache enabled	OK
L3 cache enabled	N/A
Multiple CPU support	N/A
Multi-core support	N/A
Hardware virtualization	N/A
RAM
EDO	N/A
SDRAM	N/A
SO-DIMM	N/A
DDR	OK	Tested with 256MiB(333MHz) module.
DDR2	N/A
DDR3	N/A
Dual channel support	N/A
ECC support	N/A
On-board Hardware
On-board IDE 3.5"	OK
On-board IDE 2.5"	N/A
On-board SATA	Untested
On-board SCSI	Unknown
On-board USB	OK
On-board VGA	OK	VGA not supported in coreboot, only framebuffer console/X11.
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	OK
On-board PCMCIA	N/A
Add-on slots/cards
ISA add-on cards	OK	Tested with backplane IP-6S.
Audio/Modem-Riser (AMR/CNR) cards	N/A
PCI add-on cards	OK	Tested with backplane IP-6S.
Mini-PCI add-on cards	Unknown
PCI-X add-on cards	Unknown
AGP graphics cards	N/A
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	OK
Serial port 1 (COM1)	OK
Serial port 2 (COM2)	OK
Parallel port	OK
PS/2 keyboard	OK
PS/2 mouse	OK
Game port	N/A
Infrared	N/A
PC speaker	OK	Needs a patch [1].
DiskOnChip	N/A
Miscellaneous
Sensors / fan control	N/A	This CPU does not need a fan.
Hardware watchdog	OK
SMBus	Unknown
CAN bus	N/A
CPU frequency scaling	OK
Other powersaving features	OK
ACPI	N/A
Reboot	OK
Poweroff	OK
Suspend	Unknown
Nonstandard LEDs	N/A
High precision event timers (HPET)	N/A
Random number generator (RNG)	N/A
Wake on modem ring	N/A
Wake on LAN	N/A
Wake on keyboard	N/A
Wake on mouse	N/A
Flashrom	OK	Works fine, both with coreboot and with the proprietary BIOS. Need a patch [2].

Hardware

Top.

Bottom.

IP-6S backpanel.

IP-6S backpanel.

• LX-800 AMD CPU with 500MHz core clock
• CS5536AD Part of the chipset, AMD companion device
• W83627EHG Winbond Super I/O
• RTL8100C Realtec network controller
• RTL8100C Realtec network controller
• PM49FL004 PLCC32 512kiB flash memory to boot (in a socket)
• ALC203 Realtec AC'97 AD/DA

Building FILO

FILO config for IEI LX-800 (boot from CF):

USE_GRUB = 0
AUTOBOOT_FILE = "hdb1:/boot/bzImage syscrtc=/dev/hdb1 initrd=hdb1:/boot/initrd.gz clocksource=pit ide-delay=2 hda=none ide1=noprobe console=tty0 quiet"
AUTOBOOT_DELAY = 0
IDE_DISK = 1
SERIAL_CONSOLE = 1
SERIAL_IOBASE = 0x3f8
# SERIAL_SPEED = 115200
FSYS_EXT2FS = 1
LINUX_LOADER = 1
# MULTIBOOT_IMAGE = 1

Building coreboot

$ cd targets
$ ./buildtarget iei/pcisa-lx-800-r10
$ cd iei/pcisa-lx-800-r10/pcisa-lx-800-r10
$ LANG=C make

The LANG=C is only for those users that uses a localised system.

Comparing boot time

BIOS	Power UP - OS loader	OS loader - Linux	Linux - shell	Summary
Vendor BIOS (bzImage+initrd on CF)	8	2	2	12
Coreboot (bzImage+initrd on CF)	2	2	2	6
Coreboot (bzImage+initrd on 2MB flash)	2	2	2	6

Required patches

• This [3] is needed to enable speaker.
• This [4] is needed to enable write and erasing PM49fl004