This is a list of computer motherboard chipsets made by VIA Technologies. Northbridge chips are listed first, primarily by CPU-socket or CPU-family; southbridge chips are listed in a later table.

Background

VIA chipsets support CPUs from Intel, AMD (e.g. the Athlon 64) and VIA themselves (e.g. the VIA C3 or C7). They support CPUs as old as the i386 in the early 1990s. In the early 2000s, their chipsets began to offer on-chip graphics support from VIA's joint venture with S3 Graphics beginning in 2001; this support continued into the early 2010s, with the release of the VX11H in August 2012.

VIA chipsets declined in popularity as other chipsets began to offer better performance, VIA entered other markets and Intel began to offer more powerful integrated graphics on their CPU dies.

Chipsets by CPU socket

The term V-Link indicates VIA's northbridge/southbridge interconnect bus.

Socket 3

Chipset Part numbers South bridge Release date Processors FSB Memory types Memory bus Max. memory Max. cache Max. cacheable RAM Parity/
ECC		 PCI
VT82C470 VT82C470 386 25/33/40 MHz FPM 25/33/40 MHz ? ? ? No No
VT82C475 VT82C475 386 25/33/40 MHz FPM 25/33/40 MHz ? ? ? No No
VT82C486A VT82C486A + VT82C482 + VT82C483, VT82C505 (for PCI) VT82C482, VT82C505 1993 386, Socket 3 25/33/40 MHz FPM 25/33/40 MHz ? ? ? No 2.0 (w/ VT82C505)
VT82C495 VT82C495, VT82C491, VT82C480/1 VT82C491, VT82C480/1 1993 Socket 3 25/33/40 MHz FPM 25/33/40 MHz ? 1 MB ? No No
VT82C496G (Pluto) VT82C496G, VT82C505 (for PCI) VT82C505 1994 Socket 3 25/33/40 MHz FPM 25/33/40 MHz 128 MB 1 MB ? No 2.0 (w/ VT82C505)

Socket 5 and Socket 7

All chipsets listed support a maximum cache memory size of 2 MB and are PCI 2.1 compliant

Chipset OEM names Northbridge Southbridge Release date Processors FSB Memory types Memory bus Max. memory Max. cacheable RAM Parity/
ECC		 AGP IGP
Apollo Master (VT82C570M)[1] VT82C575M + VT82C577M (x2) VT82C576M + VT82C416 1995 Socket 5 50/60/66 MHz FPM, EDO, BEDO 66 MHz 1024 MB 1024 MB w/ 1 MB L2 No No No
Apollo Master Plus (VT82C570MV) VT82C575MV + VT82C577MV (x2) VT82C576MV + VT82C416MV 1995 Socket 5 50/60/66 MHz FPM, EDO, BEDO 66 MHz 1024 MB 1024 MB w/ 1 MB L2 No No No
Apollo VP (VT82C580VP) VX Pro, VX Two VT82C585VP + VT82C587VP (x2) VT82C586 Oct. 1995 (Announced) Q1 1996 (Available) Socket 7 50/60/66 MHz FPM, EDO, BEDO, SDRAM 66 MHz 512 MB 512 MB w/ 2 MB L2 No No No
Apollo VP2 (VT82C590) AMD-640 VT82C595 VT82C586A or VT82C586B (VP2/97) May 1996 (Announced) Q3 1996 (Available) Socket 7 50/60/66/75 MHz FPM, EDO, BEDO, SDRAM 66 MHz 512 MB 512 MB w/ 2 MB L2 Yes No No
Apollo VPX (VT82C580VPX) ETEQ 6618, TX Pro III, VX Pro+, VX Two VT82C585VPX + VT82C587VP (x2) VT82C586A or VT82C586B (VPX/97) Dec. 1996 (Announced) Q1 1997 (Available) Socket 7 50/60/66/75 MHz FPM, EDO, BEDO, SDRAM 66 MHz 512 MB 512 MB w/ 2 MB L2 No No No
Apollo VP3 ETEQ 6628 VT82C597 VT82C586B May 1997 (Announced) Q3 1997 (Available) Socket 7 66 MHz FPM, EDO, BEDO, SDRAM 66 MHz 1024 MB 1024 MB w/ 2 MB L2 Yes 2× No
Apollo MVP3[2] ETEQ 6638, AGP Pro PC-100 VT82C598AT or VT82C598MVP VT82C586B or VT82C596 Sept. 1997 (Announced) Q1 1998 (Available) Super Socket 7 66–100 MHz FPM, EDO, BEDO, SDRAM 66 - 100 MHz 768 MB 512 MB w/ 2 MB L2 Yes 2× No
Apollo MVP4[3] VIA GRA VT82C501 VT82C686A/B or VT82C596B Aug. 1998 (Announced) Q4 1998 (Available) Super Socket 7 66–100 MHz FPM, EDO, BEDO, SDRAM 66 - 100 MHz 768 MB 512 MB w/ 2 MB L2 Yes No Trident Blade3D

Socket 8, Slot 1 and Socket 370

Chipset OEM names Northbridge Southbridge Release date Processors FSB SMP Memory types Memory bus Max. memory Parity/ECC PCI V-Link AGP IGP
Apollo P6 (VT82C680) VT82C685 + VT82C687 VT82C586A or VT82C586B Jan. 1996 (Announced) Q4 1996 (Available) Pentium Pro 66 MHz Yes FPM, EDO, BEDO, SDRAM 66 MHz 1.0 GB Yes 2.1 No No No
Apollo Pro BXpert VT82C691 VT82C586B or VT82C596 May 11, 1998 Pentium Pro, Pentium II 66/100 MHz No FPM, EDO, BEDO, SDRAM, VCSDRAM 66/100 MHz 1.0 GB Yes 2.1 No 2× No
Apollo Pro Plus BX Too VT82C693 VT82C596A or VT82C686A December 24, 1998 Pentium II, Celeron 66/100 MHz No FPM, EDO, SDRAM, VCSDRAM 66/100 MHz 1.0 GB Yes 2.1 No 2× No
Apollo Pro133 VT82C693A VT82C596B or VT82C686A July 19, 1999 Pentium II, Pentium III, Celeron 66/100/133 MHz No FPM, EDO, SDRAM, VCSDRAM 66/100/133 MHz 1.5 GB Yes 2.2 No 2× No
Apollo Pro133A VT82C694X or VT82C694MP VT82C596B or VT82C686A October 11, 1999 Pentium III, Pentium II 66/100/133 MHz Yes (VT82C694MP only) PC100/PC133 SDRAM, VCSDRAM 66/100/133 MHz 2.0 GB Yes 2.2 No 4× No
Apollo Pro133T VT82C694T VT82C686B May 30, 2001 Pentium III, Celeron, Pentium III Tualatin 66/100/133 MHz No PC100/PC133 SDRAM, VCSDRAM 66/100/133 MHz 2.0 GB Yes 2.2 No 4× No
Apollo Pro266 VT8633 VT8233 September 20, 2000 Pentium III, Celeron, C3 66/100/133 MHz Yes SDRAM, VCSDRAM, DDR SDRAM 200/266 MHz DDR SDRAM, 100/133 MHz SDRAM 4.0 GB Yes 2.2 Yes, 266 MB/s 4× No
Apollo Pro266T VT8653 VT8233C May 30, 2001 Pentium III, Celeron, Pentium III Tualatin, C3 66/100/133 MHz Yes SDRAM, VCSDRAM, DDR SDRAM 200/266 MHz DDR SDRAM, 100/133 MHz SDRAM 4.0 GB Yes 2.2 Yes, 266 MB/s 4× No
Apollo PM601 (ProMedia) VT8601 VT82C686A Pentium III, Celeron, C3 66/100/133 MHz No FPM, EDO, SDRAM, VCSDRAM 66/100/133 MHz 1.5 GB No 2.2 No No Yes (Trident Blade3D)
Apollo PLE133 VT8601A VT82C686B Pentium III, Celeron, C3 66/100/133 MHz No SDRAM 100/133 MHz 1.5 GB No 2.2 No No Yes (Trident Blade3D)
Apollo PLE133T VT8601T VT82C686B May 30, 2001 Pentium III, Pentium III Tualatin, Celeron, C3 66/100/133 MHz No SDRAM 66/100/133 MHz 1.5 GB No 2.2 No No Yes (Trident Blade3D)
ProSavage PL133T VT8604 VT82C686A/B May 30, 2001 Pentium III, Pentium II 66/100/133 MHz No PC100/PC133 SDRAM, VCSDRAM 66/100/133 MHz 2.0 GB 2.1 No No Yes (ProSavage™)
ProSavage PL133 VT8604 VT82C686A/B Pentium III, Pentium II 66/100/133 MHz No PC100/PC133 SDRAM, VCSDRAM 66/100/133 MHz 2.0 GB 2.1 No No Yes (ProSavage™)
ProSavage PM133 VT8605 VT82C686A/B Pentium III, Pentium II 66/100/133 MHz No PC100/PC133 SDRAM, VCSDRAM 66/100/133 MHz 2.0 GB 2.1 No 4x Yes (ProSavage™)
CLE266

(Castle Rock)

VT8622/3 VT8233A, VT8235M, VT8235 Pentium III, Celeron, Pentium III Tualatin, C3 66/100/133 MHz No SDRAM DDR 200/266 100/133 MHz 2.0 GB No 2.1 266 MB/s No Yes

Slot A and Socket A

Chipset Part numbers South bridge Release date Processors FSB Memory types Memory bus Max. memory V-Link AGP IGP
KX133[5] VT8371 VT82C686A May 2000 Athlon (Slot A) 200 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 2.0 GB No 4×
KT133[6] VT8363 VT82C686A/B Athlon, Duron (Socket A) 200 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.5 GB No 4×
KT133E VT8363E VT82C686B Athlon, Duron (Socket A) 200 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.5 GB No 4×
KL133 VT8364 VT82C686A/B Athlon, Duron (Socket A) 200 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.5 GB No No Yes (ProSavage™)
KM133 VT8365 VT82C686A/B Athlon, Duron (Socket A) 200 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.5 GB No 4× Yes (ProSavage™)
KLE133[7] VT8361 VT82C686B 2001 Athlon, Duron (Socket A) 200/266 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.0 GB No No Yes (Trident Blade3D[8])
KT133A[9] VT8363A VT82C686B Dec 2000[10] Athlon, Athlon XP, Duron (Socket A) 200/266 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.5 GB No 4×
KL133A VT8364A VT82C686B 2001 Athlon, Athlon XP, Duron (Socket A) 200/266 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.5 GB No No Yes (ProSavage™)
KM133A VT8365A VT82C686B 2001 Athlon, Athlon XP, Duron (Socket A) 200/266 MHz SDR SDRAM, VCSDRAM SDR 100/133 MHz 1.5 GB No 4× Yes (ProSavage™)
KT266[11] VT8366 VT8231, VT8233 Jan 2001 Athlon, Athlon XP, Duron (Socket A) 200/266 MHz SDR SDRAM, DDR SDRAM SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MB/s 4×
KM266 VT8375 VT8231, VT8233, VT8235 Athlon, Athlon XP, Duron (Socket A) 200/266 MHz SDR SDRAM, DDR SDRAM SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MB/s 4× Yes (ProSavage8™ DDR)
KT266A[12] VT8366A VT8231, VT8233, VT8233A, VT8235 Sept 2001 Athlon, Athlon XP, Duron (Socket A) 200/266 MHz SDR SDRAM, DDR SDRAM SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MB/s 4×
KM266 Pro VT8235, VT8237(+), VT8237R(+) Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333 MHz DDR SDRAM DDR 200/266/333 MHz 4.0 GB 266 MB/s 4× Yes (ProSavage8™ DDR)
KT333[13] VT8367 VT8233A, VT8235 Feb 2002 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266 MHz DDR SDRAM DDR 200/266/333 MHz 4.0 GB 266 MB/s 4×
KT333CE VT8367 VT8233A, VT8235 Apr 2002 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333 MHz DDR SDRAM DDR 200/266/333 MHz 4.0 GB 266 MB/s 4×
KT333CF VT8367 VT8235 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333 MHz DDR SDRAM DDR 200/266/333 MHz 4.0 GB 533 MB/s 4×
KT400[14] VT8368 VT8235, VT8237(+), VT8237R(+) Aug 2002 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333 MHz DDR SDRAM DDR 200/266/333 MHz 4.0 GB 533 MB/s 8×
KM400 VT8378 VT8235, VT8237(+), VT8237R(+) Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333 MHz DDR SDRAM DDR 200/266/333 MHz 4.0 GB 533 MB/s 8× Yes (VIA UniChrome IGP)
KT400A[15] VT8377A VT8235, VT8237(+), VT8237R(+), VT8251 Mar 2003 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333 MHz DDR SDRAM DDR 200/266/333/400 MHz 4.0 GB 533 MB/s 8×
KM400A[16] VT8237(+), VT8237R(+), VT8251 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333/400 MHz DDR SDRAM DDR 200/266/333/400 MHz 4.0 GB 533 MB/s 8× Yes (VIA UniChrome IGP)
KT600[17] VT8377 VT8237(+), VT8237R(+), VT8251 May 2003 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333/400 MHz DDR SDRAM DDR 200/266/333/400 MHz 4.0 GB 533 MB/s 8×
KT880[18] VT8379 VT8237(+), VT8237R(+), VT8251 Feb 2004 Athlon, Athlon XP, Duron, Sempron (Socket A) 200/266/333/400 MHz DDR SDRAM Dual Channel DDR 200/266/333/400 MHz 4.0 GB 533 MB/s 8×

Socket 423, 478 and LGA 775

Chipset Part numbers South bridge Release date Socket Processors FSB Memory types Memory bus Max. memory V-Link AGP PCI-E IGP
P4X266[21] VT8753 VT8233/8233C Aug 2001[22] Socket 423

Socket 478

Pentium 4, Celeron 400 MHz SDR SDRAM,

DDR SDRAM

SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MB/s 4× No No
P4M266[23] VT8751 VT8233/8233A/8233C Socket 478 Pentium 4, Celeron 400 MHz SDR SDRAM,

DDR SDRAM

SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MB/s 4× No Yes (ProSavage8™ DDR)
P4X266E[24] VT8753 VT8233/8233C Socket 478 Pentium 4, Celeron, Celeron D 400/533 MHz SDR SDRAM,

DDR SDRAM

SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MBs 4× No No
P4X266A[25] VT8753 VT8233/8233A/8233C Dec 2001[22] Socket 478 Pentium 4, Celeron 400/533 MHz SDR SDRAM,

DDR SDRAM

SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MB/s 4× No No
P4M266A VT8233, VT8235 Socket 478 Pentium 4, Celeron 400/533 MHz SDR SDRAM,

DDR SDRAM

SDR 100/133 MHz

DDR 200/266 MHz

4.0 GB 266 MB/s 4× No Yes (ProSavage8™ DDR)
P4X333[26] VT8754 VIA VT8235 May 2002[22] Socket 478 Pentium 4, Celeron, Celeron D 400/533 MHz SDR SDRAM,

DDR SDRAM

SDR 100/133 MHz

DDR 200/266/333 MHz

4.0 GB 533 MB/s 8× No No
P4X400[27] VT8754 VIA VT8235 Socket 478 Pentium 4, Celeron, Celeron D 400/533 MHz DDR SDRAM DDR 200/266/333/400 MHz 4.0 GB 533 MB/s 8× No No
P4X533[28] VT8237(+), VT8237R(+) Socket 478 Pentium 4, Celeron, Celeron D 400/533 MHz DDR SDRAM DDR 200/266/333/400 MHz 4.0 GB 533 MB/s 8× No No
PT800[29] VT VT8237(+), VT8237R(+) Jul 2003 Socket 478

LGA 775

Pentium 4, Celeron, Celeron D 400/533/800 MHz DDR SDRAM DDR 200/266/333/400 MHz 3.0 GB 533 MB/s 8x No No
PM800[30] VT VT8237(+), VT8237R(+) Nov 2003 Socket 478

LGA 775

Pentium 4, Celeron, Celeron D 400/533/800 MHz DDR SDRAM DDR 200/266/333/400 MHz 3.0 GB 1066 MB/s 8x No Yes (VIA UniChrome IGP)
PT880[31] VT VT8237(+), VT8237R(+) Nov 2003 Socket 478

LGA 775

Pentium 4, Celeron, Celeron D 400/533/800 MHz Dual Channel DDR SDRAM DDR 200/266/333/400 MHz 4.0 GB 1066 MB/s 8x No No
PM880[32] VT VT8237(+), VT8237R(+) Nov 2003 Socket 478

LGA 775

Pentium 4, Celeron, Celeron D 400/533/800 MHz Dual Channel DDR SDRAM DDR 200/266/333/400 MHz 4.0 GB 1066 MB/s 8x No Yes (VIA UniChrome IGP)
P4M800[33] VT VT8237(+), VT8237R(+) Socket 478

LGA 775

Pentium 4, Pentium D, Celeron, Celeron D 400/533/800 MHz DDR SDRAM DDR 200/266/333/400 MHz 3.0 GB 533 MB/s 8x No Yes (VIA UniChrome IGP)
P4M800 Pro[34] VT3344 VT8237(+), VT8237R(+) Socket 478

LGA 775

Pentium 4, Pentium D, Celeron, Celeron D, Core 2 400/533/800/1066 MHz DDR SDRAM

DDR2 SDRAM

DDR 200/266/333/400 MHz

DDR2 400/533 MHz

2.0 GB 533 MB/s 8x No Yes (VIA UniChrome IGP)
PT880 Pro[35] VT VT8237(+), VT8237R(+) Jan 2005 Socket 478

LGA 775

Pentium 4, Pentium D, Celeron, Celeron D, Core 2 400/533/800 MHz Dual Channel DDR SDRAM

Dual Channel DDR2 SDRAM

DDR 200/266/333/400 MHz

DDR2 400/533 MHz

4.0 GB 1066 MB/s 8x x4 No
PT880 Ultra[36] VT VT8237(+), VT8237R(+), VT8237A, VT8237S Jan 2005 LGA 775 Pentium 4, Pentium D, Celeron, Celeron D, Core 2 533/800/1066 MHz Dual Channel DDR SDRAM

Dual Channel DDR2 SDRAM

DDR 266/333/400 MHz

DDR2 400/533/667 MHz

4.0 GB 1066 MB/s 8x x4 No
PT894[37] VT VT8237(+), VT8237R(+) Jan 2005 LGA 775 Pentium 4, Pentium D, Celeron, Celeron D 533/800/1066 MHz Dual Channel DDR SDRAM

Dual Channel DDR2 SDRAM

DDR 266/333/400 MHz

DDR2 400/533/667 MHz

4.0 GB 1066 MB/s No x16 No
PT894 Pro[38] VT VT8237(+), VT8237R(+) Jan 2005 LGA 775 Pentium 4, Pentium D, Celeron, Celeron D 533/800/1066 MHz Dual Channel DDR SDRAM

Dual Channel DDR2 SDRAM

DDR 266/333/400 MHz

DDR2 400/533/667 MHz

4.0 GB 1066 MB/s No x16 No
P4M890[39] VT VT8237(+), VT8237R(+), VT8237A Feb 2006 Socket 478

LGA 775

Pentium 4, Pentium D, Celeron, Celeron D, Core 2 400/533/800 MHz DDR SDRAM

DDR2 SDRAM

DDR 266/333/400 MHz

DDR2 400/533/667 MHz

4.0 GB 533 MB/s No x16 Yes (VIA UniChrome IGP)
PT890[40] VT VT8237(+), VT8237R(+), VT8237A Apr 2006 LGA 775 Pentium 4, Pentium D, Celeron, Celeron D, Core 2 533/800 MHz DDR SDRAM

DDR2 SDRAM

DDR 266/333/400 MHz

DDR2 400/533/667 MHz

4.0 GB 533 MB/s No x16 No
P4M900[41] VT VT8251 May 2006 Socket 478

LGA 775

Pentium 4, Pentium D, Celeron, Celeron D, Core 2 400/533/800/1066 MHz DDR SDRAM

DDR2 SDRAM

DDR 266/333/400 MHz

DDR2 400/533/667 MHz

4.0 GB 1066 MB/s No x16 Yes (VIA Chrome9 HC IGP)
PT900[42] VT VT8237(+), VT8237R(+), VT8237A May 2006 LGA 775 Pentium 4, Pentium D, Celeron, Celeron D, Core 2 533/800/1066 MHz DDR SDRAM

DDR2 SDRAM

DDR 266/333/400 MHz

DDR2 400/533/667 MHz

4.0 GB 1066 MB/s No x16 No

Socket 754, 939, 940, AM2

Chipset IGP Part number South bridge Release date Processors Max. FSB SMP V-Link AGP PCI-Express IGP
K8T800[43] VT VT8235, VT8237(+), VT8237R(+), VT8251 Apr 2003 Socket 754/939/940 800 MHz Yes 533 MB/s 8x No No
K8M800[44] VT3108 VT8237(+), VT8237R(+), VT8251 Dec 2003 Socket 754/939/AM2 800 MHz No 533 MB/s 8x No Yes (VIA UniChrome IGP)
K8T800 Pro[45] VT VT8237(+), VT8237R(+), VT8251 May 2004 Socket 754/939/940 1 GHz Yes 1066 MB/s 8x No No
K8T890[46] VT VT8237(+), VT8237R(+), VT8251 Sept 2004 Socket 939/AM2 1 GHz No 1066 MB/s No x16 No
K8M890[47] VT3230 VT8237(+), VT8237R(+), VT8251 Oct 2005 Socket 754/939/AM2 1 GHz No 1066 MB/s No x16 Yes (VIA Chrome9 IGP)
K8T900[48] VT VT8237(+), VT8237R(+), VT8251 Nov 2005 Socket 939/AM2 1 GHz No 1066 MB/s No x16, Dual x8 No

Chipsets supporting both VIA and Intel processors

Chipset

(Northbridge)

V = Mobile

C = Desktop

Internal

Unichrome

IGP

Part number

IGP South bridge Release date Processors FSB Memory types Memory bus Max. memory V-Link PCI AGP PCI-e Audio
CN400[49] VT3118 VIA UniChrome Pro VT8237R Mar 2004[50] VIA C3/C3-M/Eden/Eden-N 100/133/200 MHz DDR SDRAM up to 400 MHz 4GB Ultra V-Link (1GB/s) SB 4×/8× No SB (VIA Vinyl Audio)
VX700[51] VT3157 VIA UniChrome Pro II (single-chip solution) Jul 2006 VIA C7-M/C7-M ULV 533/400 MHz DDR2/DDR SDRAM up to 533/400 MHz 2GB NA - (single-chip solution) 4 8× No VIA Vinyl HD Audio
CN700[52] VT3344 VIA UniChrome Pro VT8237A/VT8251 2006 VIA C7 533/400 MHz DDR2/DDR SDRAM up to 533/400 MHz 2GB 533 MB/s SB 8× No SB (VIA Vinyl Audio)
VN800[53][54] VT3344 VIA UniChrome Pro VT8237A Aug 2005 VIA C7-M / Intel Pentium M

Socket-479 /

Yonah - Socket-M

533/400 MHz DDR2 SDRAM 400 or 533 MHz 4GB

1GB *

533 MB/s 8× No SB (VIA Vinyl Audio)
CN800[55] VT3225 VIA UniChrome Pro VT8237R Plus Nov 2006 VIA C7/C7-D 533/400 MHz DDR2/DDR SDRAM up to 533/400 MHz 4GB 533 MB/s SB No ×16-1
×1-1		 SB (VIA Vinyl Audio)
CN896[56] VT3371 VIA Chrome9 HC VT8237S/VT8251 Feb 2007 VIA C7/C7-D/Eden (V4) 800/400 MHz DDR2/DDR SDRAM up to 667/400 MHz 4GB Ultra V-Link (1GB/s) SB No ×16-1
×1-1		 SB (VIA Vinyl HD Audio)
VX800[57] VT VIA Chrome9 HC3 (single-chip solution) Apr 2008 VIA Nano/C7/Eden 800/400 MHz DDR2 SDRAM up to 667 MHz 4GB NA - (single-chip solution) 4 No ×4-1
×1-2		 VIA Vinyl HD Audio
VX855[58] VT VIA Chrome9 HCM (single-chip solution) Mar 2009 VIA Nano/C7/Eden 800/400 MHz DDR2 SDRAM up to 800 MHz 4GB NA - (single-chip solution) No No No VIA Vinyl HD Audio
VN1000[59] VT VIA Chrome 520 VT8261 Dec 2010 VIA Nano/C7/C7-D/Eden (V4) 800/400 MHz DDR2/DDR3 SDRAM up to 800/1066 MHz 16GB Ultra V-Link (1GB/s) SB No ×8-1
×1-4		 SB (VIA Vinyl HD Audio)

Chipsets supporting VIA processors

Chipset Part numbers South bridge Release date Processors FSB Memory types Memory bus Max. memory V-Link PCI AGP PCI-e USB IGP Audio TDP
2.0 3.0
VX900[60][61][62] VT (single-chip solution) Mar 2010 VIA Nano/X2/QuadCore/C7/Eden 400-1066 MT/s DDR2/DDR3 SDRAM up to 800 MHz/ 1066 Mhz 8 GB (4GB per Module) NA - (single-chip solution) Yes No ×8-1
×1-3 		8 +1 Device port N/A VIA Chrome9 HD VIA Vinyl HD Audio 4.5W
VX11H[63][64] VT (single-chip solution) Aug 2012 VIA Nano/X2/QuadCore/C7/C7-D/Eden (V4) 533-1066 MT/s DDR3 SDRAM up to 1333 MHz 16 GB NA - (single-chip solution) Yes No ×4-1

x1-2 or
×2-1

x1-4

6 3 (1 shared as Device port) VIA Chrome 645/640 VIA Vinyl HD Audio 5.8W

Southbridge chips

Part number PATA SATA RAID North Bridge interconnect PCI PCI-e USB Audio Modem Ethernet Integrated super I/O
VT82C586 4 ATA33 No No PCI 1.1 No No
VT82C586A 4 ATA33 No No PCI 1.1 No No
VT82C586B 4 ATA33 No No PCI 1.1 No No
VT82C596A 4 ATA33 No No PCI 1.1 No No
VT82C596B 4 ATA66 No No PCI 1.1 No No
VT82C686A[5] 4 ATA66 No No PCI 4 1.1 AC'97 Yes No Yes
VT82C686B[9] 4 ATA100 No No PCI 4 1.1 AC'97 Yes No Yes
VT8231 4 ATA100 No No 4× V-Link 266 MB/s 4 1.1 AC'97 Yes VIA 10/100 Yes
VT8233[11] 4 ATA100 No No 4× V-Link 266 MB/s 6 1.1 AC'97 Yes VIA 10/100 (not on all/earlier) No
VT8233A[13] 4 ATA133 No No 4× V-Link 266 MB/s 6 1.1 AC'97 Yes VIA 10/100 No
VT8233C[13] 4 ATA100 No No 4× V-Link 266 MB/s 6 1.1 AC'97 Yes (NOT ON ALL) 3Com 10/100 (NOT ON ALL) No
VT8235[13] 4 ATA133 No No 8× V-Link 533 MB/s 6 2.0 AC'97 Yes VIA 10/100 No
VT8237(R+)[15] 4 ATA133 2 SATA-150, SATALite* (SATA) RAID 0, 1, 0+1* & JBOD 8× V-Link 533 MB/s 8 2.0 AC'97 Yes VIA 10/100 No
VT8237A[65] 4 ATA133 2 SATA-150, SATALite* (SATA) RAID 0, 1, 0+1* & JBOD 8× V-Link 533 MB/s 8 2.0 HD Audio Yes VIA 10/100 No
VT8237S* 4 ATA133 2 SATA-II, SATALite* (SATA) RAID 0, 1, 0+1* & JBOD 8× V-Link 533 MB/s 8 2.0 HD Audio Yes VIA 10/100 No
VT8251[66] 4 ATA133 4 SATA-II (SATA) RAID 0, 1, 0+1* & JBOD Ultra V-Link (1GB/s) 7 ×1-2 8 2.0 HD Audio Yes VIA 10/100 No
VT8261[67] 2 ATA133 4 SATA-II No Ultra V-Link (1GB/s) 5 12 2.0 HD Audio Yes VIA 10/100/1000 No

As a modular solution, the North and South Bridge of the VIA Apollo KT266A are completely pin compatible with current and future products, such as the VT8233C South Bridge with integrated 3Com Ethernet MAC.

Hardware bugs

The KT133 chipset corrupted disk subsystems; specifically, the 686B Southbridge had issues with Creative's SBLive! sound cards. A BIOS update was released by VIA to fix this issue; however, it is not known if all motherboards with 686Bs had their BIOSes updated.[68][69][70][71] The KT266 contains a hardware bug which can cause system instability when using the AGP slot at the 4× speed.

See also

References

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External links

VIA Technologies x86 processors
Categories