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SiI3x12: Serial ATA (SATA) RAID/IDE BIOS - Released
The latest BIOS files for the SiI3x12 can be downloaded from the links on the right. Both the RAID and IDE BIOS are contained in the zip file. The rXXXX.bin file is the RAID BIOS and the bXXXX.bin file is the IDE BIOS.

The third XXXX.bin file which has no letter in front of it is an abbreviated BIOS intended for use by OEMs for integration into system/motherboard BIOS. It is not intended for use by end-users. Do NOT flash this file into an add-in card BIOS.

NOTE: BIOS version 4.2.xx is for the SiI3112A, while BIOS version 4.3.xx is for the SiI3512. Older versions of the SiI3112A BIOS (4.1.35, 4.1.50), are also provided for reference.

Please go to the related articles link on the lower right for the latest version of our BIOS flash utilities.

Changes in 3112 bios revision 4250 include:

1) Address Identify data problem when more than single sector issue

2) Properly set watch dog timer

3) Change the HD size display when used in conjunction with the 3726

4) Change the drive size displayed in BIOS RAID GUI display correct drive size