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The wiki is being retired!

Documentation is now handled by the same processes we use for code: Add something to the Documentation/ directory in the coreboot repo, and it will be rendered to Contributions welcome!

The Advantech PCM-5820 features a Cyrix GX1 processor, 2 IDE controllers (one is a CompactFlash reader), a USB port and a PC/104 extension bus.

Complete specs/docs can be found on Advantech website.


Device/functionality Status Comments
CPU works OK
L1 cache enabled Unknown
L2 cache enabled Unknown
L3 cache enabled Unknown
Multiple CPU support Unknown
Multi-core support Unknown
Hardware virtualization Unknown
SO-DIMM Unknown My 256M 100Mhz memory module is working fine.
DDR3 Unknown
Dual channel support N/A
ECC support N/A
On-board Hardware
On-board IDE 3.5" Untested
On-board IDE 2.5" N/A
On-board SATA N/A
On-board SCSI Unknown
On-board USB OK Tested with an Hauppauge WinTv-USB device.
On-board VGA OK VGA support in LinuxBIOS works fine (e.g. for displaying a boot logo), for console/X11 you need a special kernel console and Xorg driver.
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 Unknown
On-board PCMCIA Unknown
On-board Wifi N/A
On-board Bluetooth N/A
On-board SD card reader N/A
Add-on slots/cards
ISA add-on cards N/A
Audio/Modem-Riser (AMR/CNR) cards Unknown
PCI add-on cards N/A
Mini-PCI add-on cards Unknown
Mini-PCI-Express 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 Untested
Serial port 1 (COM1) OK
Serial port 2 (COM2) Untested
Parallel port Untested
PS/2 keyboard OK
PS/2 mouse Untested
Game port N/A
Infrared Untested I don't own the module that should be plugged on COM2.
PC speaker OK
DiskOnChip N/A
Trackpoint N/A
Touchpad N/A
Fn Hotkeys N/A
Fingerprint Reader N/A
Docking VGA N/A
Docking LAN N/A
Docking USB N/A
Docking Audio N/A
Docking Displayport N/A
Thinklight N/A
Webcam N/A
Sensors / fan control Untested This CPU does not need a fan.
Hardware watchdog N/A
SMBus Unknown
CAN bus OK Tested with an AIM104-CAN card.
CPU frequency scaling Untested
Other powersaving features Untested
ACPI Untested
Reboot OK
Poweroff Untested
Suspend Unknown
Nonstandard LEDs N/A
High precision event timers (HPET) N/A
Random number generator (RNG) Unknown
Wake on modem ring Unknown
Wake on LAN Unknown
Wake on keyboard Unknown
Wake on mouse Unknown
TPM Unknown
Flashrom OK Works fine, both with LinuxBIOS and with the proprietary BIOS. Note that a ST39VF020-70-4C-NHE chip worked on it even though it's not recommended.


The PCM-5820 board
The AIM-PC104 module used to validate the CAN bus

Detailed System Information

lspci -tvnn -[0000:00]-+-00.0 Cyrix Corporation PCI Master [1078:0001]

          +-0b.0  Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ [10ec:8139]
          +-12.0  Cyrix Corporation 5530 Legacy [Kahlua] [1078:0100]
          +-12.1  Cyrix Corporation 5530 SMI [Kahlua] [1078:0101]
          +-12.2  Cyrix Corporation 5530 IDE [Kahlua] [1078:0102]
          +-12.3  Cyrix Corporation 5530 Audio [Kahlua] [1078:0103]
          +-12.4  Cyrix Corporation 5530 Video [Kahlua] [1078:0104]
          \-13.0  Compaq Computer Corporation ZFMicro Chipset USB [0e11:a0f8]

/proc/cpuinfo processor : 0 vendor_id : Geode by NSC cpu family : 5 model : 9 model name : Geode(TM) Integrated Processor by National Semi stepping : 2 cpu MHz : 299.247 cache size : 16 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu tsc msr cx8 cmov mmx cxmmx bogomips : 600.56 clflush size : 32

/proc/iomem 00001000-0009ffff : System RAM 000a0000-000bffff : Video RAM area 000f0000-000fffff : System ROM 00100000-0fdfffff : System RAM

 00100000-002baff4 : Kernel code
 002baff5-0033b88b : Kernel data

10000000-100000ff : 0000:00:12.1 40000000-40000fff : scratch_pad_ram

 40000000-40000fff : Geode GX1 Framebuffer

40008000-400080ff : bus_interface

 40008000-400080ff : Geode GX1 Bus Interface

40008100-400082ff : video_pipeline

 40008100-400082ff : Geode GX1 Framebuffer

40008300-400083ff : display_control

 40008300-400083ff : Geode GX1 Framebuffer

40008400-400084ff : memory_control

 40008400-400084ff : Geode GX1 Memory Control

40008500-40008fff : power_control.0 40400000-407fffff : smm_area.0 40800000-487fffff : video_memory

 40800000-487fffff : Geode GX1 Framebuffer

febfc000-febfcfff : 0000:00:12.4

 febfc000-febfcfff : Geode GX1 Framebuffer

febfd000-febfdfff : 0000:00:13.0

 febfd000-febfdfff : ohci_hcd

febfe000-febfe0ff : 0000:00:0b.0

 febfe000-febfe0ff : 8139too

febff000-febff07f : 0000:00:12.3 fffc0000-ffffffff : flash_memory.0


 0:     183986    XT-PIC-XT        timer
 1:          2    XT-PIC-XT        i8042
 2:          0    XT-PIC-XT        cascade
 4:         91    XT-PIC-XT        serial
 8:          1    XT-PIC-XT        rtc
10:        584    XT-PIC-XT        eth0
11:          0    XT-PIC-XT        ohci_hcd:usb1
12:          3    XT-PIC-XT        i8042
15:       3541    XT-PIC-XT        ide1

NMI: 0 ERR: 0

Building a LinuxBIOS image

$ cd targets
$ ./buildtarget bcom/winnet100
$ cd bcom/winnet100/winnet100
$ LANG=C make

The LANG=C is only for those users (like me) that uses a localised system. Determining some include pathes fails in LB's build system, if the GCC answers in German...

Required patches


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In short: you are free to distribute and modify the file as long as you attribute its author(s) or licensor(s).