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  1. Below you can download the latest EFA bios upgrade for your motherboard after signup with the eSupport BIOSAgentPlus service.
  2. You can identify your motherboard using the BIOS ID which is displayed on most computers at bootup. Per BIOS vendor (AMI, Award, Phoenix, ...) we have a seperate tab of motherboard BIOS Identifications.
  3. In the Website Links section we provide official and unofficial links to find free EFA BIOS upgrades
Check For the Latest BIOS Updates

BIOSAgentPlus safely checks to see if a newer BIOS is available for your computer and provides instant access to your detailed BIOS and driver report.

Click on the Download arrow to download the requested EFA bios update after signup with the eSupport BIOSAgentPlus service.

EFA BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
EFA SiS 5511/12/13 2A5IDE3B Download BIOS
EFA ALi 1449/61/51 2A5KBE31 Download BIOS
EFA Intel 430FX 2A59CE3L Download BIOS
EFA UMC 8881E/8886B 2A4X5E3C Download BIOS
EFA Intel 430TX 2A59IE3B 2A59IE3BC-00 Download BIOS
EFA Intel 440LX/EX 2A69JE3C Download BIOS
EFA Intel Mercury 2A59BE31 Download BIOS
EFA Intel 440FX 2A69HE39 Download BIOS
EFA SiS 5591 2A5IKE39 Download BIOS
EFA ALi 1487/1489 2A4KDE3J Download BIOS
EFA Intel 430HX 2A59FE3B Download BIOS
EFA VIA Apollo (M)VP3 2A5LEE3B Download BIOS
EFA Intel 430VX 2A59GE3D Download BIOS
EFA Intel Neptune 2A59AE32 Download BIOS
EFA Intel 440FX 2A69HE3C Download BIOS
EFA UMC 8881E/8886B 2A4X5E38 Download BIOS
EFA Contaq 82C596-9 2A4H2E31 Download BIOS
EFA Intel 430HX 2A59FE3E Download BIOS
EFA Intel 430TX 2A59IE3A Download BIOS
EFA Intel 440BX/GX/ZX 2A69KE39 2A69KE39C-00 Download BIOS
EFA Intel Saturn II 2A498E31 Download BIOS
EFA Intel 440LX/EX 2A69JE3B Download BIOS
EFA UMC 8881E/8886B 2A4X5E3B Download BIOS
EFA Intel 430FX 2A59CE3A 2A59CE3AC-00 Download BIOS
EFA VIA Apollo Pro Plus (692/ 2A6LGE39 Download BIOS
EFA SiS 501/02/03 2A5IAE32 Download BIOS
EFA SiS 5511/12/13 2A5IDE3A Download BIOS
EFA Intel 430FX 2A59CE3K Download BIOS
EFA VIA Apollo VP4 2A5LHE39 Download BIOS
EFA VIA VPX (aka VXPro+) 2A5LDE3B Download BIOS
EFA SiS 5582/5597/5598 2A5IIE39 Download BIOS
EFA ALi 1487/1489 2A4KDE3I Download BIOS
EFA Intel 430HX 2A59FE3A Download BIOS
EFA VIA Apollo (M)VP3 2A5LEE3A Download BIOS
EFA Intel 430VX 2A59GE39 Download BIOS
EFA VIA Apollo (M)VP3 2A5LEE3D Download BIOS
EFA Intel 430VX 2A59GE3C Download BIOS
EFA Intel Neptune 2A59AE31 Download BIOS
EFA Intel 440FX 2A69HE3B Download BIOS
EFA UMC 8881E/8886B 2A4X5E31 Download BIOS
EFA ALi IV+ M1531/M1543 (aka 2A5KIE3A Download BIOS
EFA Intel 430HX 2A59FE3D 2A59FE3DC-00 Download BIOS
EFA Intel 430VX 2A59GE3F Download BIOS
EFA Intel Neptune 2A59AE3A Download BIOS
EFA Intel 440LX/EX 2A69JE3A Download BIOS
EFA UMC 8881E/8886B 2A4X5E3A Download BIOS
EFA Intel 430FX 2A59CE39 Download BIOS
EFA Intel 430FX 2A59CE3G Download BIOS
EFA VIA Apollo Pro (691/596) 2A6LFE3A Download BIOS
EFA Intel 440BX/GX/ZX 2A69KE3B Download BIOS
EFA SiS 501/02/03 2A5IAE31 Download BIOS
EFA SiS 5511/12/13 2A5IDE39 Download BIOS
EFA Intel 430FX 2A59CE3J Download BIOS
EFA Intel 440BX/GX/ZX 2A69KE3E Download BIOS
EFA Intel 440LX/EX 2A69JE3D Download BIOS
EFA Intel 440BX/GX/ZX 6Z69KE39 2A69KE39C-00 Download BIOS
EFA SiS 5511/12/13 2A5IDE3C Download BIOS
EFA ALi 1487/1489 2A4KDE3H Download BIOS
EFA Intel 430HX 2A59FE39 Download BIOS
EFA VIA Apollo (M)VP3 2A5LEE39 Download BIOS
EFA Intel 430TX 2A59IE3D Download BIOS
EFA VIA VPX (aka VXPro+) 2A5LDE3A 580VPX-SMC669-2A5LDE3AC-00 Download BIOS
EFA Intel 430VX 2A59GE3B 2A59GE3B Download BIOS
EFA Intel Mercury 2A59BE32 Download BIOS
EFA Intel 440FX 2A69HE3A Download BIOS
EFA SiS 5591 2A5IKE3Z Download BIOS
EFA ALi IV+ M1531/M1543 (aka 2A5KIE39 Download BIOS
EFA VIA Apollo (M)VP3 2A5LEE3C Download BIOS
EFA Intel 430HX 2A59FE3F Download BIOS
EFA Intel 430VX 2A59GE3E Download BIOS
EFA Intel Neptune 2A59AE39 Download BIOS
EFA Contaq 82C596-9 2A4H2E32 Download BIOS
EFA Intel 430FX 2A59CE3B Download BIOS
EFA VIA Apollo Pro (691/596) 2A6LFE39 Download BIOS
EFA OPTi 82C822/596/597 2A5UIE31 Download BIOS
EFA Intel 430FX 2A59CE3I Download BIOS
EFA VIA Apollo Pro Plus (692/ 2A6LGE3A Download BIOS
EFA SiS 5501/02/03 2A5ICE31 Download BIOS
EFA "1" - Model: D5CUB Intel 430HX 2A59FE3C 2A59FE3CC-00 Download BIOS
EFA E6BX-ATX Intel 440BX/GX/ZX 2A69KE31 05/19/1998-I440BX-W977TF-2A69KE39C Download BIOS
EFA E6BX-ATX Intel 440BX/GX/ZX 2A69KE3C 2A69KE3CC-00 Download BIOS
EFA E6BX-ATX Intel 440BX/GX/ZX 2A69KE31 01/21/1999-I440BX-W977TF-2A69KE3EC-00 Download BIOS
EFA E6BX-ATX Intel 440BX/GX/ZX 6Z69KE3B 05/19/1998-I440BX-W977TF-2A69KE39C Download BIOS
EFA E6BX-ATX Intel 440BX/GX/ZX 2A69KE3D 05/19/1998-I440BX-W977TF-2A69KE39C Download BIOS
EFA E6ZX-AT Intel 440BX/GX/ZX 2A69KE3A 01/18/1999-i440ZX-W977TF-2A69KE3AC Download BIOS
EFA EFA UMC 8881E/8886B 2A4X5E39 11/9/95 - UMC8881/886A - 2A4X5E39C - 00 Download BIOS
EFA Model# P5VPX97-AT VIA VPX (aka VXPro+) 2A5LDE3C 03/10/98-580VPX-SMC669-2A5LDE3C-00 Download BIOS
EFA Model: P55T-PIO-B Intel 430FX 2A59CE3H 2A59CE3H Download BIOS
EFA P5MVP3-AT VIA Apollo (M)VP3 2A5LEE3E 06/30/98-VP3-586B-669-2A5LEE3EC-00 Download BIOS
EFA P5MVP3-AT VIA Apollo (M)VP3 2A5LEE32 03/09/1999-MVP3-586B-669-2A5LEE3EC-00 Download BIOS
EFA P5MVP3-MATX VIA Apollo (M)VP3 2A5LEE31 03/09/1999-VP3-586B-669-2A5LEE3FC-00 Download BIOS
EFA P5MVP3-MATX VIA Apollo (M)VP3 2A5LEE3F Download BIOS
EFA P5TVX-AT Intel 430VX 2A59GE3A I430VX-ALI5113-2A59GE3AC-00 Download BIOS
EFA P5TX-AT Intel 430TX 2A59IE39 03/05/97-I430TX-P5TX-A00C-00 Download BIOS
EFA P5V580-AT VIA VPX (aka VXPro+) 2A5LDE39 08/25/97-580VPX-SMC669-2A5LDE39C-00 Download BIOS
EFA P5V580-AT-3 VIA Apollo VP1 (VT82C580V 2A5LAE39 07/07/97 - VT82C580VP-SM6-2A5LAE39C-00 Download BIOS
EFA P6LX-ATX Intel 440LX/EX 2A69JE31 10/12/1998-I440LX-W977TF-2A69JE39C-00 Download BIOS
EFA P6LX-ATX Intel 440LX/EX 2A69JE39 10/12/1998-I440LX-W977TF-2A69JE39C-00 Download BIOS

Award BIOS IDs are used to identify motherboards with an Award BIOS. For more information visit our Award BIOS ID information page.

At this moment we have 28 Award BIOS IDs listed for EFA. Contact us if you have new IDs missing from the list :-)

EFA Award BIOS Identification

Award BIOS ID Motherboard manufacturer, model, PCB revision
11/09/95-UMC-881/886A-2A4X5E39C-00 EFA 486U-PIO/A
08/22/95-NEPTUNE-2A59AE31-00 EFA P54CNPCI
05/24/96-i430FX-5113-2A59CE39C-00 EFA P55TPIO-B
09/03/1998-i430FX-SMC665-2A59CE3BC-00 EFA P55TPIO-B (for SMC IR FDD chip)
05/09/96-i430FX-5113-2A59CE3AC-00 EFA P55TPIO-B
03/04/96-i430FX-2A59CE3HC-00 EFA P55TPIO
07/18/96-i430FX-5113-2A59CE3AC-00 EFA P55TPIO-B
03/25/98-i430FX-5113-2A59CE39C-00 EFA P55PIO-B
03/25/98-i430FX-SMC665-2A59CE3BC-00 EFA P55TPIO-B (for SMC665GT I/O chip)
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
01/23/97-i430HX-2A59FE3CC-00 EFA P55T2PIO-B
02/13/97-i430VX,Ali5113-2A59GE3AC-00 EFA P5TVX-AT
06/24/97-i430VX,Ali5113-2A59GE3BC-00 EFA P5TSVX-ATX
06/24/97-i430VX,Ali5113-2A59GE3AC-00 EFA P5TVX-AT
04/23/97-i430VX,Ali5113-2A59GE3BC-00 EFA P5TSVX-ATX
09/22/97-i430TX-2A59IE3AC-00 EFA P5TX-ATX
01/29/1999-i430TX-2A59IE39C-00 EFA E5TX-AT
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
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
08/12/97-580VPX-SMC669-2A5LDE39C-00 EFA P5V580-B
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 IDs are used to identify motherboards with an AMI BIOS. For more information visit our AMI BIOS ID information page.

At this moment we have 2 AMI BIOS IDs listed for EFA. Contact us if you have new IDs missing from the list :-)

EFA AMI BIOS Identification

AMI BIOS ID Motherboard manufacturer, model, PCB revision
40-0100-001281-00101111-080893-UMC491F EFA HL3SC/SM
51-P000-001281_00101101-072594-SIS50X-H EFA P54CS-P10

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