| Bios name |
Remarks |
| AK31S027 |
Date code:04/23/2001
Checksum: EC5E Initial release |
| AK31S402 |
Date code:04/30/2001
Checksum: 07B7 |
| AK31S405 |
Date code:05/30/2001
Checksum : 97AD 1. Support ECC function. 2. Support AK31V13 and AK31V14 |
| AK31S407 |
Date code:8/30/2001
Checksum : 6735 1. Show CPU Clock by BIOS setup value. 2. Fixed Show "Press DEL to enter SETU " error. 3. Support ratio 14. |
| AK31S409 |
Date code:10/09/2001
Checksum : 2C61 Support AthlonXP. |
| AK31S40A |
Date code:01/04/2002 Checksum : 732B Support AthlonXP 2000+ |
| AK31S40E | Date code:12/05/2003 Checksum :3D05 To support AMD Duron 1.3GHz Palomino CPU. |