Board:jetway/j7f2

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This page describes how to use coreboot on the Jetway J7F2 series mainboards.

This page is a work in progress.

Status

TODO: This is work in progress!

This board works with the Epia-CN tree except that it uses a Fintek F71805F vs VIA VT1211 super io. Replace the code accordingly.

Device/functionality Status Comments
CPU
CPU works OK
L1 cache enabled OK Always on
L2 cache enabled OK Always on
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 N/A
DDR2 OK
DDR3 N/A
Dual channel support N/A
ECC support Untested
On-board Hardware
On-board IDE 3.5" OK
On-board IDE 2.5" N/A
On-board SATA OK
On-board SCSI Unknown
On-board USB OK
On-board VGA OK Needs factory video bios and bochsbios.
On-board ethernet Partial Loses MAC address when power is disconnected.
On-board audio OK
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 Untested
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 N/A
Serial port 1 (COM1) OK
Serial port 2 (COM2) N/A
Parallel port
PS/2 keyboard OK
PS/2 mouse OK
Game port N/A
Infrared N/A
PC speaker Fail
DiskOnChip N/A
Miscellaneous
Sensors / fan control N/A didn't work on factory BIOS either
Hardware watchdog N/A
SMBus Unknown
CAN bus N/A
CPU frequency scaling  ?
Other powersaving features N/A
ACPI Fail
Reboot Fail
Poweroff Fail
Suspend Unknown
Nonstandard LEDs N/A
High precision event timers (HPET) Untested
Random number generator (RNG) N/A
Wake on modem ring Untested
Wake on LAN Untested
Wake on keyboard Untested
Wake on mouse Untested
Flashrom OK

Known problems

  • hda in Linux is hde in FILO
  • loading kernel/initrd is very slow
  • irq_tables.c from the factory BIOS does not work. The epia-cn table can be substituted.
  • VGA console flickers badly under intense disk activity, such as dd if=/dev/hda of=/dev/hdc
  • Current code is broken (doesn't compile). Pull rev 3566 of src/southbridge/via/vt8237r
  • Network card loses MAC address on power-loss, preventing the Linux via-rhine driver from activating it. Latest code in src/southbridge/via/vt8237r/ may fix this, at least allowing hard-coding the MAC address into the rom. However, it is also stored somewhere else on the system (not in the factory rom) so it should be readable from somewhere.
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