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

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

Award BIOS motherboard IDs (more info)

11/09/95-UMC-881/886A-2A4X5E39C-00	EFA 486U-PIO/A
08/22/95-NEPTUNE-2A59AE31-00	EFA P54CNPCI
07/18/96-i430FX-5113-2A59CE3AC-00	EFA P55TPIO-B
03/25/98-i430FX-SMC665-2A59CE3BC-00	EFA P55TPIO-B (for SMC665GT I/O chip)
09/03/1998-i430FX-SMC665-2A59CE3BC-00	EFA P55TPIO-B (for SMC IR FDD chip)
03/04/96-i430FX-2A59CE3HC-00	EFA P55TPIO
03/25/98-i430FX-5113-2A59CE39C-00	EFA P55PIO-B
05/24/96-i430FX-5113-2A59CE39C-00	EFA P55TPIO-B
05/09/96-i430FX-5113-2A59CE3AC-00	EFA P55TPIO-B
01/23/97-i430HX-2A59FE3CC-00	EFA P55T2PIO-B
04/23/97-i430HX-2A59FE3CC-00	EFA P55T2PIO-B
10/08/96-i430HX-2A59FE39C-00	EFA P55T2SPIO
05/28/97-i430HX-2A59FE39C-00	EFA P55T2SPIO
06/24/97-i430VX,Ali5113-2A59GE3BC-00	EFA P5TSVX-ATX
02/13/97-i430VX,Ali5113-2A59GE3AC-00	EFA P5TVX-AT
06/24/97-i430VX,Ali5113-2A59GE3AC-00	EFA P5TVX-AT
04/23/97-i430VX,Ali5113-2A59GE3BC-00	EFA P5TSVX-ATX
01/29/1999-i430TX-2A59IE39C-00	EFA E5TX-AT
09/22/97-i430TX-2A59IE3AC-00	EFA P5TX-ATX
08/18/1998-i430TX-W977TF-2A59IE3BC-00	EFA P5TXSC-AT
12/10/97-ALi-154x-2A5KIE39C-00	EFA P5A4P-AT
08/12/97-VT82C580VP-SMC6-2A5LAE39C-00	EFA P5V580-AT
08/12/97-580VPX-SMC669-2A5LDE39C-00	EFA P5V580-B
11/11/97-580VPX-SMC669-2A5LDE3AC-00	EFA P5V580-AT-A
11/11/97-580VPX-SMC669-2A5LDE3AC-00	EFA P5V580-AT-C
01/29/1999-580VPX-SMC669-2A5LDE3CC-00	EFA P5VPX97-AT
03/09/1999-VP3-586B-669-2A5LEE3FC-00	EFA P5MVP3-MATX
12/07/95-SIS-85C471B/E/G-2C4I9E30-00	EFA 4DMS-HL3G

AMI BIOS motherboard IDs (more info)

40-0100-001281-00101111-080893-UMC491F	EFA HL3SC/SM

• http://www.efacorp.com/