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  1. Below you can download the latest ENPC 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 ENPC 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 ENPC bios update after signup with the eSupport BIOSAgentPlus service.

ENPC BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
ENPC Cyrix GXi Cx5520 2A432EC9 Download BIOS
ENPC Intel 440LX/EX 2A69JEC9 Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECH Download BIOS
ENPC Intel 440LX/EX 2A69JECZ 04/14/98-I440LX-NS309-2A69JECCC-00 Download BIOS
ENPC Intel 430TX 2A59IECA Download BIOS
ENPC SiS 530 2A5IMEC9 03/24/1999-SIS-530-2A5IMEC9C-00 Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECK Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECA Download BIOS
ENPC Intel 440LX/EX 2A69JECF Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECD Download BIOS
ENPC Intel 440LX/EX 2A69JECI Download BIOS
ENPC Intel 430TX 2A59IECD Download BIOS
ENPC SiS 620 2A6INEC9 Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECN Download BIOS
ENPC Intel 430TX 2A59IECG Download BIOS
ENPC SiS 620 2A6INECC Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECG 2A69KECGC-00 Download BIOS
ENPC Intel 440LX/EX 2A69JECL Download BIOS
ENPC Intel 430VX 2A59GEC9 Download BIOS
ENPC VIA Apollo (M)VP3 2A5LEECA 2A5LEECAC-00 VIA CS W977 SIO Download BIOS
ENPC Intel 440FX 2A69HEC9 Download BIOS
ENPC Intel 440LX/EX 2A69JECB Download BIOS
ENPC Intel Whitney 810 6A69MEC9 Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECJ Download BIOS
ENPC Intel 440LX/EX 2A69JECE Download BIOS
ENPC SiS 530 2A5IMECB Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECM Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECC Download BIOS
ENPC Intel 440LX/EX 2A69JECH Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECF Download BIOS
ENPC Intel 440LX/EX 2A69JECK Download BIOS
ENPC Intel 430TX 2A59IECF Download BIOS
ENPC SiS 620 2A6INECB 04/14/1999-SIS-620-2A6INECBC Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECP Download BIOS
ENPC Intel 430TX 2A59IECZ Download BIOS
ENPC VIA Apollo (M)VP3 2A5LEEC9 Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KEC0 Download BIOS
ENPC Intel 440LX/EX 2A69JECA Download BIOS
ENPC Intel 440LX/EX 2A69JECC Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECI Download BIOS
ENPC Intel 440LX/EX 2A69JECD Download BIOS
ENPC Intel 430TX 2A59IECB Download BIOS
ENPC SiS 530 2A5IMECA Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECL Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECB Download BIOS
ENPC Intel 440LX/EX 2A69JECG Download BIOS
ENPC Intel 440LX/EX 2A69JECJ Download BIOS
ENPC Intel 430TX 2A59IECE Download BIOS
ENPC SiS 620 2A6INECA Download BIOS
ENPC Intel 440BX/GX/ZX 2A69KECO Download BIOS
ENPC Intel 430TX 2A59IECH Download BIOS
ENPC SiS 630 6A6IREC9 Download BIOS
ENPC Intel 430VX 2A59GECA Download BIOS
ENPC VIA VPX (aka VXPro+) 2A5LDEC9 Download BIOS
ENPC EP-KB21 Intel 440BX/GX/ZX 2A69KEC1 09/15/1998-I440BX-W977EF-2A69KECEC-00 Download BIOS
ENPC EP-KB21 Intel 440BX/GX/ZX 2A69KECR 09/15/1998-I440BX-W977EF-2A69KECEC-00 Download BIOS
ENPC EP-KB21 Intel 440BX/GX/ZX 2A69KECE 07/05/2000-I440BX-W977EF-2A69KECEC-00 Download BIOS
ENPC EP-KB21 Intel 440BX/GX/ZX 2A69KEC2 07/05/2000-I440BX-W977EF-2A69KECEC-00 Download BIOS
ENPC EP-KL21 Intel 440LX/EX 2A69JEC1 11/16/1998-i440LX-SMC67X-2A69JECBC-00 Download BIOS
ENPC EP-MB21 Intel 440BX/GX/ZX 2A69KEC9 06/15/1998-I440BX-W977TF-2A69KEC9C-00 Download BIOS
ENPC EP-MB21 Intel 440BX/GX/ZX 2A69KEC9 2A69KEC9C-00 Download BIOS
ENPC EP-PT11 Intel 430TX 2A59IECC 2A59IECCC-00 Download BIOS
ENPC EP-PT11 Intel 430TX 2A59IEC9 I430TX-2A59IEC9C-00 Download BIOS
ENPC MBX6A Intel 440BX/GX/ZX 2A69KEC9 06/15/1998-I440BX-W977TF-2A69KEC9C-00 Download BIOS
ENPC MBX6A Intel 440BX/GX/ZX 2A69KEC9 2A69KEC9C-00 Download BIOS
ENPC Rev. 1.2 Vers. A Intel 430TX 2A59IEC9 I430TX-2A59IEC9C-00 Download BIOS

The below BIOSes are patched / modded to fix the 32GB or 64GB bug that is present in older Award BIOS Based BIOSes.

The 32GB bug in Award BIOS prevents many users from using HDD larger than 32GB as the BIOS hangs at detection. The 64GB bug manifests itself as a hang at the configuration table.

Click on the Download arrow to download the requested ENPC bios update.

ENPC Large HDD Support BIOS Updates

Manufacturer - Model BIOS ID OEM ID Max HDD size
ENPC AK621 09/07/1998-i440LX-W83977-2A69JECJC-00 AK621 ROM BIOS Ver.2.0 09/15/1998 64 GB Download BIOS
ENPC KB21 01/21/1999-i440BX-W977TF-2A69KEC9C-02 KB21 ROM BIOS Ver.1.8 01/21/1999 Large HDD Patched 128 GB 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 83 Award BIOS IDs listed for ENPC. Contact us if you have new IDs missing from the list :-)

ENPC Award BIOS Identification

Award BIOS ID Motherboard manufacturer, model, PCB revision
06/30/97-i430VX-2A59GECAC-00 ENPC EP-PV12
05/20/97-i430VX-2A59GECAC-00 ENPC EP-PV12
05/05/1998-i430TX-2A59IECCC-00 ENPC PT11
06/24/1998-i430TX-2A59IECCC-00 ENPC EP-PT21
12/05/97-i430TX-2A59IECCC-00 ENPC PT11
12/05/97-i430TX-2A59IECCC-00 ENPC EP-PT21
04/22/1998-i430TX-2A59IECEC-00 ENPC EP-PT22 / EP-PT22 with SCSI
07/11/97-i430TX-2A59IECAC-00 ENPC EP-PT22 WITH SCSI ROM BIOS
02/19/98-i430TX-2A59IECHC-00 ENPC PT11
12/05/97-i430TX-2A59IEC9C-00 ENPC EP-PT21
02/19/98-i430TX-2A59IECHC-00 ENPC EP-PT21
12/11/1998-SiS-530-2A5IMEC9C-00 ENPC PS21
12/30/1998-SiS-530-2A5IMECAC-00 ENPC PS11
01/15/1999-SiS-530-2A5IMEC9C-00 ENPC PS21
04/06/1999-SiS-530-2A5IMECAC-00 ENPC PS11
03/24/1999-SiS-530-2A5IMEC9C-00 ENPC PS21
11/10/1998-SiS-530-2A5IMEC9C-00 ENPC PS21
12/21/1998-SiS-530-2A5IMECAC-00 ENPC PS11
01/29/1999-VP3-586B-W977-2A5LEECAC-00 ENPC EP-PI11
06/01/1998-VP3-586B-W977-2A5LEEC9C-00 ENPC EP-PI11
01/29/1999-VP3-586B-W977-2A5LEECAC-00 ENPC PI11
06/08/1998-VP3-586B-W977-2A5LEECAC-00 ENPC EP-PI11
07/16/0098-VP3-586B-W977-2A5LEECAC-00 ENPC EP-PI11
09/18/1998-VP3-586B-W977-2A5LEECAC-00 ENPC EP-PI11
06/10/1998-i440EX-W83977-2A69JECHC-00 ENPC EP-KE21
11/10/1998-i440LX-W83977-2A69JECLC-00 ENPC ML21
10/02/1998-i440LX-W83977-2A69JECEC-00 ENPC AK611
10/21/97-i440LX-SMC67X-2A69JECBC-00 ENPC EP-KL21
05/22/1998-i440LX-SMC67X-2A69JECBC-00 ENPC EP-KL21
03/06/98-i440LX-W83977TF-2A69JECEC-00 ENPC KL11 (W/O ATX,LM7578)
07/02/1998-i440EX-W83977-2A69JECHC-00 ENPC EP-KE21
12/10/1998-i440LX-W83977-2A69JECLC-00 ENPC ML21
09/07/1998-i440LX-W83977-2A69JECJC-00 ENPC EP-KL21
09/03/1998-i440LX-SMC67X-2A69JECBC-00 ENPC EP-KL21
11/26/97-i440LX-SMC93X-2A69JECCC-00 ENPC EP-KL21
03/27/1998-i440LX-W83977-2A69JECEC-00 ENPC KL11
02/25/1999-i440LX-W83977-2A69JECLC-00 ENPC ML21
05/12/1998-i440EX-W83977-2A69JECFC-00 ENPC EP-KE21
10/02/1998-i440LX-W83977-2A69JECEC-00 ENPC EP-KL21 (PCB: 1.3)
11/16/1998-i440LX-SMC67X-2A69JECBC-00 ENPC EP-KL21
10/08/1998-i440LX-SMC93X-2A69JECCC-00 ENPC EP-KL21
10/02/1998-i440LX-W83977-2A69JECEC-00 ENPC KL11
05/07/1999-i440LX-W83977-2A69JECLC-00 ENPC ML21
12/10/1998-i440BX-W977TF-2A69KECAC-00 ENPC KB11
04/20/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
01/22/1999-i440BX-W977-2A69KECCC-00 ENPC KB-22
01/27/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
08/21/1998-i440BX-W977-2A69KECCC-00 ENPC KB-22
12/10/1998-i440BX-W977TF-2A69KEC9C-00 ENPC EP-KB21
06/15/1998-i440BX-W977TF-2A69KECAC-00 ENPC EP-KB21
03/02/1999-i440BX-W977TF-2A69KEC9C-00 ENPC KB21 (1Mbit)
03/01/1999-i440ZX-W977EF-2A69KECGC-00 ENPC MZ21
04/22/1999-i440BX-W977TF-2A69KECMC-00 ENPC KB21 (PCB: 1.5)
10/01/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
01/21/1999-i440BX-W977TF-2A69KECAC-00 ENPC KB11
04/22/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
05/04/1999-i440BX-W977-2A69KECLC-00 ENPC KB-22
07/07/1998-i440BX-W977TF-2A69KECAC-00 ENPC KB11
02/12/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
08/20/1998-i440BX-W977-2A69KECCC-00 ENPC KB-22
01/21/1999-i440BX-W977TF-2A69KEC9C-02 ENPC AB641
01/21/1999-i440BX-W977TF-2A69KEC9C-02 ENPC EP-KB21
06/15/1998-i440BX-W977TF-2A69KEC9C-00 ENPC EP-KB21
10/01/1999-i440BX-W977TF-2A69KECMC-00 ENPC KB21 (2Mbit)
04/09/1999-i440ZX-W977EF-2A69KECGC-00 ENPC MZ21
05/19/1998-i440BX-W977TF-2A69KECAC-00 ENPC EP-KB21
12/16/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
03/04/1999-i440BX-W977TF-2A69KECAC-00 ENPC KB11
04/26/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
09/29/1998-i440BX-W977TF-2A69KECAC-00 ENPC KB11
04/07/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
12/10/1998-i440BX-W977-2A69KECCC-00 ENPC KB-22
04/22/1999-i440BX-W977TF-2A69KECMC-00 ENPC EP-KB21
12/16/1999-i440BX-W977TF-2A69KECMC-00 ENPC KB21 (2Mbit)
09/04/1998-i440BX-W977TF-2A69KEC9C-00 ENPC EP-KB21
05/19/1998-i440BX-W977TF-2A69KEC9C-00 ENPC EP-KB21
07/05/2000-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
04/14/1999-i440BX-W977TF-2A69KECAC-00 ENPC KB11
04/28/1999-i440BX-W977EF-2A69KECEC-00 ENPC KB21P
03/03/1999-SiS-620-2A6INECBC-00 ENPC KS21
03/04/1999-SiS-620-2A6INECBC-00 ENPC KS21
03/24/1999-SiS-620-2A6INECBC-00 ENPC KS21
02/03/98-VP3-586B-W877-2A5LE00AC-00 ENPC EP-PI11

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