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Superiotool is a GPL'd user-space helper tool for LinuxBIOS development purposes (but may also be useful for other things). It allows you to detect which Super I/O you have on your mainboard, and it can provide detailed information about the register contents of the Super I/O.

Supported devices

Vendor Super I/O Detect Dump BIOS LB2
ALi M1535/M1535D/M1535+/M1535D+ Yes Yes
ALi M512x Yes No
ASUS A8000 Yes Yes 1
Fintek F71862FG Yes No
Fintek F71872F/FG / F71806F/FG Yes No
Fintek F71882FG/F71883FG Yes No
Fintek F71805F/FG Yes Yes 1
ITE IT8661F No Yes
ITE IT8702F Yes No
ITE IT8705F/AF / IT8700F Yes Yes 1
ITE IT8708F Yes Yes 1
ITE IT8710F Yes No
ITE IT8712F Yes Yes
ITE IT8716F Yes Yes 1 1
ITE IT8718F Yes Yes 1
NSC1 PC97307 Yes Yes
NSC1 PC87317 Yes No
NSC1 PC97317 Yes Yes
NSC1 PC87309 Yes Yes
NSC1 PC87360 Yes Yes 1
NSC1 PC87351 Yes Yes
NSC1 PC87364 Yes No
NSC1 PC87365 Yes No
NSC1 PC87363 Yes No
NSC1 PC87366 Yes Yes
NSC1 PC8739x Yes No
NSC1 PC87591x Yes No
NSC1 PC8741x Yes Yes
NSC1 PC87372 Yes No
NSC1 PC8374L Yes Yes 1
NSC1 PC87427 Yes No
NSC1 PC87373 Yes No
Vendor Super I/O Detect Dump BIOS LB2
SMSC FDC37N971 Yes No
SMSC FDC37N972 Yes No
SMSC LPC47N252 Yes No
SMSC LPC47M172 Yes No
SMSC FDC37C672/FDC37C67x Yes Yes
SMSC FDC37B80x/FDC37M707 Yes No
SMSC FDC37N958FR Yes Yes 1
SMSC FDC37B77x Yes No
SMSC FDC37B78x Yes Yes
SMSC FDC37M60x Yes No
SMSC FDC37B72x Yes Yes
SMSC FDC37M81x Yes Yes
SMSC LPC47B27x Yes Yes 1 1
SMSC LPC47B37x Yes No
SMSC LPC47U33x Yes No
SMSC LPC47B34x Yes No
SMSC LPC47S42x Yes No
SMSC LPC47M10x/112/13x Yes Yes 1
SMSC LPC47B357 Yes No
SMSC LPC47M14x Yes No
SMSC LPC47M15x/192/997 Yes Yes
SMSC LPC47S45x Yes No
SMSC LPC47M292 Yes No
SMSC LPC47B387 Yes No
SMSC LPC47B397 Yes No
SMSC LPC47M182 Yes No
SMSC LPC47M584 Yes No
SMSC DME1737 Yes Yes
SMSC SCH5504 Yes No
SMSC SCH3112 Yes No
SMSC SCH3114 Yes No
SMSC SCH3116 Yes No
SMSC SCH5307 Yes No
SMSC SCH5317 Yes No
SMSC SCH4307 Yes No
SMSC FDC37C669 Yes No
SMSC LPC47N237 Yes No
SMSC FDC37N769 Yes Yes 1
SMSC FDC37N3869/FDC37N869 Yes No
SMSC LPC47N227 Yes Yes 1
Vendor Super I/O Detect Dump BIOS LB2
Winbond W83977CTF Yes No
Winbond W83977EF/EG Yes No
Winbond W83627SF Yes No
Winbond W83697HF/F/HG Yes Yes
Winbond W83L517D/D-F Yes No
Winbond W83697SF/UF/UG Yes Yes 1
Winbond W83637HF/HG Yes No
Winbond W83627THF/THG Yes Yes 1, 2 1
Winbond W83627DHG Yes No
Winbond W83627EHF/EF/EHG/EG Yes Yes 1, 2
Winbond W83627UHG Yes No
Winbond W83977F-A/G-A/AF-A/AG-A Yes No
Winbond W83977TF Yes Yes
Winbond W83977ATF Yes No
Winbond W83627HF/F/HG/G Yes Yes 1, 2
Winbond W83877F Yes No
Winbond W83877TF Yes No
Winbond W83877ATF Yes No

1 Previosly National Semiconductor, now bought by Winbond.
2 Register dump output from a running LinuxBIOS system (vs. proprietary BIOS).


Manual installation

$ svn co svn://
$ cd superiotool
$ make
$ sudo make install


$ apt-get install superiotool


Probe/detect the Super I/O in your mainboard:

$ superiotool

Register dump as table of hex-values (if the Super I/O is detected):

$ superiotool -d

Please see the README for further information.

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.