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Revision as of 07:35, 1 July 2015 by Cseait (talk | contribs) (And more fixing up...)
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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!

This page describes the Sun Ultra 40 M2. It is maintained by jakllsch and seait.


Device/functionality Status Comments
CPU works WIP Dual-core K8 CPUs only running at 1Ghz. Possible issue booting Linux when setting FID/VID.
L1 cache enabled Untested
L2 cache enabled Untested
L3 cache enabled Untested Untested
Multiple CPU support OK
Multi-core support Unknown
Hardware virtualization Untested
EDO Unknown
SDRAM Unknown
SO-DIMM Unknown
DDR Unknown
DDR2 WIP Possible issues addressing memory above 4GB.
DDR3 Unknown
Dual channel support Ok Seems to be working.
ECC support Untested
On-board Hardware
On-board IDE 3.5" Untested
On-board IDE 2.5" Unknown
On-board SATA OK SATA on MCP55b (IO-55) unknown - needs tested.
On-board SCSI Unknown
On-board USB OK
On-board VGA Unknown
On-board Ethernet OK
On-board Audio Untested
On-board Modem Unknown
On-board FireWire No Firewire is on stuck PCI Bus (00:06.0)
On-board Smartcard reader Unknown
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 Unknown
Audio/Modem-Riser (AMR/CNR) cards Unknown
PCI add-on cards No 00:06.0 stuck PCI Bus. Firewire and PCI slot affected.
Mini-PCI add-on cards Unknown
Mini-PCI-Express add-on cards Unknown
PCI-X add-on cards Unknown
AGP graphics cards Unknown
PCI Express x1 add-on cards Unknown
PCI Express x2 add-on cards Unknown
PCI Express x4 add-on cards Unknown
PCI Express x8 add-on cards Unknown
PCI Express x16 add-on cards Ok Slot on board with label "PCIE3" tested with video card - works. Others need tested but probably working.
PCI Express x32 add-on cards Unknown
HTX add-on cards Unknown
Legacy / Super I/O
Floppy Unknown
Serial port 1 (COM1) Ok Using LCP47B397 superio code. superio/smscsuperio possibly broken.
Serial port 2 (COM2) Unknown
Parallel port Unknown
PS/2 keyboard Unknown
PS/2 mouse Unknown
Game port Unknown
Infrared Unknown
PC speaker Unknown
DiskOnChip Unknown
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 WIP jakllsch has figured some of this out and put in place a short term solution for managing fan speed. More work needed.
Hardware watchdog Unknown
SMBus Unknown
CAN bus Unknown
CPU frequency scaling Unknown
Other powersaving features Unknown
ACPI No No ACPI implementation yet.
Reboot Ok
Poweroff No
Suspend Unknown
Nonstandard LEDs Untested
High precision event timers (HPET) No Present but not enabled.
Random number generator (RNG) Unknown
Wake on modem ring Untested
Wake on LAN Untested
Wake on keyboard Untested
Wake on mouse Untested
TPM Unknown
Flashrom Ok

GNU head This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version. This work is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.