To find your BIOS upgrade you can do one of the following options:

1. Identify your Spring Circle motherboard model via our Award BIOS or AMI BIOS id's tabs
2. Find a(n) Spring Circle BIOS upgrade via the Links tab on the official site.
3. Run the BIOS Agent scan browser plugin

Award BIOS motherboard IDs (more info)

12/08/95-SiS-496-497/A/B-2A4IBS9BC-00	Spring Circle P2C
04/16/96-i430FX-2A59CS9BC-00	Spring Circle P550 (PCB: 3.x)
06/28/96-i430HX-2A59FS9BC-00	Spring Circle P571-G01
02/03/97-i430HX-2A59FS9BC-00	Spring Circle P571 (PCB: 3.x)
03/10/97-i430HX-2A59FS9BC-00	Spring Circle P571 (PCB: 3.x)
03/10/97-i430VX-2A59GS9AC-00	Spring Circle SP564/ST586 P561-U03
12/12/96-i430VX-2A59GS9BC-00	Spring Circle P56x (P561...P565, LGS IO chip)
09/06/95-SiS-5511B-5513-2A5IDS99C-00	Spring Circle P5C01
06/28/95-FOREX-601B-613A-2A5R6S91-00	Spring Circle P3B01A

AMI BIOS motherboard IDs (more info)

40-0G00-001398-00101111-080893-4X521	Spring Circle 4X521

• http://springcircle.narod.ru
• http://web.archive.org/web/*/http:/provision.virtualave.net/spring/