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

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

Award BIOS motherboard IDs (more info)

xx/xx/xx-SiS-496-497/A/B-2A4IBA2BC-00	ATC-1425B
xx/xx/xx-SiS-496-497/A/B-2A4IBA2HC-00	ATC-1425A
11/03/95-SiS-496-497/A/B-2A4IBA2HC-00	ATC-1425A
04/18/96-SiS-496-497/A/B-2A4IBA2BC-00	ATC-1425B
xx/xx/xx-UMC-881/886B-2A4X5A2HC-00	ATC-1415
07/09/96-UMC-881/886B-2A4X5A2HC-00	ATC-1415
xx/xx/xx-TRITON-2A59CA29C-00	ATC-1535
xx/xx/xx-i430FX-2A59CA29C-00	ATC-1000 R1/R2 or R3 or R4
05/28/96-i430FX-2A59CA29-C00	ATC-1000 (PCB: R1 / R2)
06/13/96-i430FX-2A59CA29-C00	ATC-1000 (PCB: R3)
06/13/96-i430FX-2A59CA29-C00	ATC-1000 (PCB: R4)
11/07/95-TRITON-2A59CA29C-00	ATC-1535
xx/xx/xx-i430HX-2A59FA29C-00	ATC-2000
09/24/97-i430HX-2A59FA29C-00	ATC-2000
xx/xx/xx-i430VX-2A59GA29C-00	ATC-1000+ / ATC-1000P or ATC-1020 or ATC-1020+ / ATC-1020P or ATC-1030 or ATC-1040
04/28/97-i430VX-2A59GA29C-00	ATC-1020
09/24/97-i430VX-2A59GA29C-00	ATC-1000+ or ATC-1020+
09/15/97-i430VX-2A59GA29C-00	ATC-1030
11/25/97-i430VX-2A59GA29C-00	ATC-1040
2A59IA29C	ATC-5000
xx/xx/xx-i430TX-2A59IA2AC-00	ATC-5020 / ATC-5020+ or ATC-5000
xx/xx/xx-Opti-VIPER-M-2A5UNA2IC-00	ATC-1545
xx/xx/xx-Opti-VIPER-M-2A5UNA2JC-00	ATC-1545A
12/08/95-Opti-VIPER-M-2A5UNA2JC-00	ATC-1545A or ATC-1563
11/16/95-Opti-VIPER-M-2A5UNA2IC-00	ATC-1545
11/16/96-i440FX-2A69HA29C-01	ATC-6020
09/05/97-i440FX-2A69HA2BC-00	ATC-6100
04/08/97-i440FX-2A69HA2BC-00	ATC-6100
09/10/97-i440FX-2A69HA2BC-00	ATC-6100
2C4K9A21-00	ALI-3/486 GREEN VL BUS Model 1762
2C4K9A23-00
2C4UKA21-00	OPTI-895GREEN 1442G
xx/xx/xx-UMC-498GP-2C4X6A20-00	ATC-1411AB
06/20/95-UMC-498GP-2C4X6A20-00	ATC-1411AB

Award BIOS motherboard IDs with custom syntax

08/25/1998-i430FX-ATC-1000C-00	ATC-1000
i430TX-SMC67X-ATC-5030C-00	ATC-5030C
xx/xx/xx-i430TX-S672-ATC-5000C-00	ATC-5000
xx/xx/xx-i430TX-W977TF-ATC-5050C-00	ATC-5050
xx/xx/xx-i430TX-S672-ATC-5040C-00	ATC-5040
xx/xx/xxxx-i430TX-SMC67X-ATC-5030C-BP	ATC-5030
12/23/98-i430TX-S672-ATC-5000C-00	ATC-5000
09/25/98-i430TX-S672-ATC-5040C-00	ATC-5040C
06/02/1999-i430TX-S672-ATC-5000C-GV	ATC-5000
04/30/1999-i430TX-SMC67X-ATC-5030C-BP	ATC-5030
05/28/98-i430TX-SMC67X-ATC-5030C-00	ATC-5030
06/18/98-i430TX-W977TF-ATC-5050C-00	ATC-5050
08/06/98-i430TX-W977TF-ATC-5050C-00	ATC-5050
01/27/2000-SiS-530-ATC5010MC-FH	ATC-5010M
12/28/1999-SiS-530-ATC5010MC-SV	ATC5010M
xx/xx/xx-ALi-154x-ATC-5130C-00	ATC-5130
07/09/98-ALi-154x-ATC-5130C-00	ATC-5130
09/17/1998-VP3-586B-W877-ATC-5200C-00	ATC-5200 (PCB: 1)
VP3-586B-SMC6-ATC-5220C-01	ATC-5220
01/26/2000-MVP3-586B-W87-ATC-5200C-HH	ATC-5200 (PCB: 1)
03/04/1999-MVP3-586B-W87-ATC-5200C-BG	ATC-5200 (PCB: 1)
09/27/1999-MVP3-586B-W87-ATC-5200C-MM	ATC-5200 (PCB: 2)
03/04/1999-MVP3-586B-SMC-ATC-5220C-GA	ATC-5220
11/04/1998-SiS-5598-ATC-5500C-00	ATC-5500
08/05/1998-VP3-586B-SMC6-ATC-5520C-00	ATC-5520
11/23/1998-VP3-586B-SMC6-ATC-5520C-00	ATC-5520
08/25/1998-i430FX-ATC-1000C-00	ATC-1000 (PCB: R4)
i440LX-W977-ATC-6130C-00	ATC-6130
10/14/1998-i440EX-SMC60X-ATC-6300C-00	ATC-6300
05/14/1999-i440EX-W977TF-ATC-6510C-XZ	ATC-6510
05/28/1999-i440LX-W977-7110M000C-EJ	ATC7110M
05/26/1999-i440LX-W977EF-7160M-AB	ATC7160M
08/21/98-i440EX-W977-ATC-6511C-00	ATC-6511
08/03/98-i440LX-W977-LX-440B-00	LX-440B
04/13/99-i440LX-W977TF-LX-440B-IN	LX-440B
01/28/99-i440LX-W977-LX-440B-00	LX-440B
05/26/1999-i440LX-W977TF-LX-440A-AB	LX-440A
07/24/98-i440LX-W977-LX-440A-00	LX-440A
07/31/98-i440LX-W977-LX-440A-00	LX-440A
08/07/1998-i440EX-SMC60X-LE-440-00	LE-440
05/26/1999-i440LX/EX-W97-ATC-6510C-AB	ATC-6510
05/26/1999-i440EX-SMC60X-ATC-6150C-AB	ATC-6150
05/26/1999-i440LX-W977TF-ATC-6120C-AB	ATC-6120 (PCB: V1.0)
07/22/1999-i440LX-W977TF-ATC-6130C-EB	ATC-6130
05/28/1999-i440LX-W977TF-ATC-6130C-EJ	ATC-6130
09/29/98-i440EX-W977-ATC-6130C-00	ATC-6130E
07/22/1999-i440LX-W977TF-ATC-6130C-EB	ATC-6130
06/07/1999-i440ZX-W977EF-6310M-XC	ATC-6310M
02/21/2000-i440ZX-W977EF-6310MC-NT	ATC-6310M
05/05/1999-i440ZX-W977-6320M100C-DW	ATC-6320
05/31/1999-i440ZX-W977EF-6340M-MD	ATC-6340
05/04/1999-i440ZX-W977EF-7301M990C-MT	ATC7301M
05/08/2000-i440BX-W977-ATC7020BC-HN	ATC-7020B
11/13/2000-i440BX-W977-7020C-EQ	ATC-7020B
01/16/2001-SMSC-W977EF-7020BXIIC-JW	ATC7020BXII
05/28/1999-i440ZX-W977EF-7300M000C-00	ATC7300M
01/17/2001-SMSC-W977EF-6310BXIIC-JW	ATC6310BXII
05/25/1999-i440BX-W977TF-BX-440B-VH	BX-440B
11/09/1998-691-596-W877-ATC-6540C-00	ATC-6540
04/01/1999-i440ZX-W977-6521M-ZXC-EO	ATC-6521M-ZX
05/05/1999-i440BX-W977-ATC-6521C-DW	ATC-6521M
05/05/1999-i440ZX-W977-6320M100C-DW	ATC-6320
11/22/1999-i440ZX-W977EF-6310MC-JE	ATC-6310M (ZX)
04/08/2000-i440ZX-W977EF-6310MC-IP	ATC-6310M (ZX)
10/12/2000-i440ZX-W977EF-ATC6310MC-VR	ATC-6310M (ZX)
08/10/1999-i440BX-W977-6280M000C-RI	ATC-6280M (PCB: 2)
08/10/1999-i440BX-W977-6280M000C-RI	ATC-6280 (PCB: C)
07/09/1999-i440BX-W977-6280M000C-SR	ATC-6280 (PCB: B)
05/25/1999-i440BX-W977TF-ATC-6260C-VH	ATC-6260 (PCB: B)
08/20/1999-i440BX-W977EF-ATC6254MC-CB	ATC-6254M (Voodoo3000) or ATC-6254M (Voodoo2000)
05/31/1999-i440BX-W977EF-6251M-MD	ATC6251M
02/09/1999-i440BX-W977EF-6251M-00	ATC6251M
02/09/1999-i440BX-W977EF-6250M-00	ATC6250M
05/31/1999-i440BX-W977EF-6250M-MD	ATC6250M
05/31/1999-i440BX-W977EF-6241-MD	ATC-6241
02/08/1999-i440BX-W977TF-6240C-KZ	ATC-6240 BX Serial MB (PCB: 1)
11/26/1999-i440BX-W977-62400000C-EI	ATC-6240 BX Serial MB (PCB: 2)
04/10/2000-i440BX-W977-62400000C-YB	ATC-6240 BX Serial MB (PCB: 3)
09/13/2000-i440BX-W977-62400000C-AP	ATC-6240 BX Serial MB (PCB: 3)
11/13/2000-i440BX-W977-62400000C-EQ	ATC-6240 BX Serial MB (PCB: 3)
05/25/1999-i440BX-W977TF-6240-VH	ATC-6240 V1.0
12/21/1999-i440BX-W977-62400000C-HZ	ATC-6240 V2.0 (PCB: R06)
11/26/1999-i440BX-W977-62400000C-EI	ATC-6240 V2.0
01/09/2000-i440BX-W977-62400000C-EC	ATC-6240 V2.0 (PCB: R06)
04/10/2000-i440BX-W977-62400000C-YB	ATC-6240 V2.0 (PCB: R06)
12/08/1999-i440BX-W977EF-ATC-6230C-KZ	ATC-6230
05/25/1999-i440BX-W977TF-ATC-6220C-VH	ATC-6220 (PCB: V2.0)
12/09/1999-i440BX-W977TF-ATC-6220C-00	ATC-6220 (PCB: V1.0)
05/25/1999-i440BX-W977TF-ATC-6220C-VH	ATC-6220 (PCB: V1.0)
10/22/1999-i810-ITE8712-ATC6430MC-RY	ATC-6430
11/26/1999-i810-47B27X-ATC7460MC-EI	ATC7460M
08/15/2000-i810-47B27X-ATC7460MC-JN	ATC7460M
11/14/2000-i810-AD1881X-ATC7460MC-PS	ATC7460M
07/08/1999-i810-47B27X-ATC7400MC-KB	ATC7400M
09/10/1999-i810-47B27X-ATC7400MC-NS	ATC7400M
07/20/1999-i810-47B27X-ATC7400MC-ZA	ATC7400M
12/27/1999-i810-47B27X-ATC7400MC-OX	ATC7400M (PCB: R05)
06/07/2000-i810-47B27X-ATC7400MC-XC	ATC7400M (PCB: R05)
10/23/2000-i810-47B27X-ATC7400MC-KO	ATC7400M (PCB: R05)
10/31/2000-i810-AD1881X-ATC7400MC-QT	ATC7400M (PCB: R05)
09/29/2000-i810-ITE8712-ATC6460MC-LQ	ATC6430M
10/06/1999-i810-ITE8712-ATC6430MC-CJ	ATC6430M
03/30/2000-693A-686A-ATC7010C-FZ	ATC-7010
05/19/2000-693A-686A-ATC7010C-BL	ATC-7010
11/13/2000-693A-686A-ATC7010C-EQ	ATC-7010
08/04/2000-693A-596B-977-7020VC-DU	ATC-7020V
02/14/2000-693A-596B-977-631001C-NO	ATC-6310V-01
05/02/2000-693A-596B-977-631001C-WX	ATC-6310V-01
11/13/2000-693A-596B-977-631001C-EQ	ATC-6310V-01
10/18/1999-693-596A-977-631000C-QP	ATC-6310V-00
10/20/1999-693-596A-977-624000C-YP	ATC-6240V-00 (VIA)
01/31/2000-693A-596B-977-6240012C-EK	ATC-6240V-01 (VIA)
05/02/2000-693A-596B-977-6240012C-WX	ATC-6240V-01 (VIA)
11/13/2000-693A-596B-977-6240012C-EQ	ATC-6240V-01 (VIA)
05/26/2000-693A-596B-977-6240012C-AB	ATC-6240V-01 (VIA)
04/19/2000-694X-686A-ATC7040C-UE	ATC-7040
10/23/2000-694X-686A/B-ATC7040C-KO	ATC-7040
06/13/2001-694X-686A-ATC7040C-JM	ATC-7040+
03/11/2000-694X-686A-ATC7060C-XV	ATC-7060
05/28/1999-i440LX-W977-7100M000C-EJ	ATC7100M
04/16/1999-i440LX-W977-7102M000C-RB	ATC7102M
03/30/2001-8363-686X-ATC7720C-FZ	ATC7720A
09/12/2001-8363-686X-ATC7720C-AP	ATC7720+
03/30/2001-8363-686X-ATC7720C-OG	ATC7720+
09/11/2000-8363-686X-ATC7720C-SZ	ATC7720+
01/14/2000-693A-596B-977-631001C-PG	ATC-6310V
05/02/2000-693A-596B-977-631001C-WX	ATC-6310M
04/29/2000-693A-686A-6310V+C-WL	ATC-6310V+
05/16/2000-693A-686A-6310V+C-XT	ATC-6310V+
11/13/2000-693A-686A-6310PlusC-EQ	ATC-6310V+
04/21/2000-693A-686A-6310V+C-HL	ATC-6310V+

AMI BIOS motherboard IDs (more info)

40-0101-ZZ1117-00101111-060691-OPWBSX-F
40-0400-001117-00101111-111192-OP495SLC-H
40-040B-001117-00101110-080893-OP495SLC-H
62-0304-001117-00101111-071595-440GX-1440GX00	ATC-6400
X0-0100-001117-00101111-060692-CTQ596-F	4GPV3 486
61-1100-000000-00111111-071595-i82440FX-A3F15F770FL	ATC-6000
61-0507-001117-00111111-071595-I440FX-001_05_CHIPSET	ATC-6100
62-0702-000000-00101111-071595-440GX-1440GX00	ATC-6400
X0-0104-001117-00101111-111192-CTQ596-F	CQ303C4 486C-V2
50-0100-001117-01101100-111192-OPTI597-H	DIGIS P55C

• http://www.elhvb.com/mboards/a-trend/
• ftp://ftp.univ-lille1.fr/pub/vendor/atrend/
• ftp://www.holmrock.ru/pub/drivers/motherboards/a-trend