List of VIA chipsets
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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) | 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 | 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 | 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 |
- The only difference between the Apollo Master and the Apollo Master Plus is that the Plus does not support pipelined burst cache memory.
- The Apollo VP and Apollo VP2 chipsets were initially referenced by VIA as Apollo VP-1 and Apollo VP-2 respectively, later renamed to Apollo VP and Apollo VP2 when the "/97" upgrades became available.
- The Apollo VPX chipset is a low-cost solution that replaced the Apollo VP but with features similar to the VP2.
- AMD licensed the VIA Apollo VP2/97 core logic architecture for its AMD 640 chipset.
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, VT82C686A, VT8231 | 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, VT8231 | 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, VT8231 | 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, VT8231 | 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 | December 1999 | 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 | Dec 2001 | 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 |
- ProSavage PM133 - graphics core from S3, derived from a combination of the 3D component of Savage4 and 2D from Savage 2000.
- PLE133 and PLE133T - graphics core from Trident, derived from Blade3D.
- CLE266 (Castle Rock) - graphics core from S3, derived from S3 Savage series under the brand name UniChrome.
- Asus advertised some boards as Apollo Pro 133Z. 133Z appears to be a late revision of or step up from 133A, but it is not listed on the VIA site.
Slot A and Socket A
| Chipset | Part numbers | South bridge | Release date | Processors | FSB | Memory types | Memory bus | Max. memory | V-Link | AGP | IGP |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apollo KX133 | VT8371 | VT82C686A | February 2000 | Athlon (Slot A) | 200 MHz | SDR SDRAM, VCSDRAM | SDR 100/133 MHz | 2.0 GB | No | 4× | |
| Apollo KT133 | VT8363 | VT82C686A/B | June 2000 | Athlon, Duron (Socket A) | 200 MHz | SDR SDRAM, VCSDRAM | SDR 100/133 MHz | 1.5 GB | No | 4× | |
| ProSavage KM133 | VT8365 | VT82C686A/B, VT8231 | December 2000 | Athlon, Duron (Socket A) | 200 MHz | SDR SDRAM, VCSDRAM | SDR 100/133 MHz | 1.5 GB | No | 4× | Yes (ProSavage™) |
| ProSavage KL133 | VT8364 | VT82C686A/B | December 2000 | Athlon, Duron (Socket A) | 200 MHz | SDR SDRAM, VCSDRAM | SDR 100/133 MHz | 1.5 GB | No | No | Yes (ProSavage™) |
| Apollo KT133A | VT8363A | VT82C686B, VT8231 | December 2000 | Athlon, Athlon XP, Duron (Socket A) | 200/266 MHz | SDR SDRAM, VCSDRAM | SDR 100/133 MHz | 1.5 GB | No | 4× | |
| 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™) |
| ProSavage 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™) |
| Apollo KT133E | VT8363E | VT82C686B | April 2001 | Athlon, Duron (Socket A) | 200 MHz | SDR SDRAM, VCSDRAM | SDR 100/133 MHz | 1.5 GB | No | 4× | |
| Apollo KT266 | VT8366 | VT8233 | April 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× | |
| Apollo KLE133 | VT8361 | VT82C686B, VT8231 | June 2001 | Athlon, Duron (Socket A) | 200/266 MHz | SDR SDRAM, VCSDRAM | SDR 100/133 MHz | 1.0 GB | No | No | Yes (Trident Blade3D) |
| Apollo KT266A | VT8366A | VT8233, VT8233A, VT8235 | September 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× | |
| ProSavageDDR KM266 | VT8375 | VT8233, VT8235 | January 2002 | 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) |
| 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) | ||
| Apollo KT333 | VT8367 | VT8233A, VT8235 | Feb 2002 | Athlon, Athlon XP, Duron, Sempron (Socket A) | 200/266/333* MHz | DDR SDRAM | DDR 200/266/333 MHz | 4.0 GB | 266/533* MB/s | 4× | |
| Apollo KT400 | VT8368 | VT8235, VT8237, VT8237R(+) | September 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× | |
| Apollo KT400A | VT8377A | VT8235, VT8237, VT8237R(+), VT8251 | March 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× | |
| UniChrome KM400 | VT8378 | VT8235, VT8237, VT8237R(+) | April 2003 | 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) |
| Apollo KT600 | VT8377 | VT8237, VT8237R(+), VT8251 | June 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× | |
| UniChrome KM400A | VT8237, VT8237R(+), VT8251 | June 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× | Yes (VIA UniChrome IGP) | |
| KT880 | 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× |
- KT266 contains a hardware bug which causes system instability when using the AGP slot at the specified max capacity of 4×.
- ProSavage KM133, KM133A, KM266, KM400, KM400A - Similar to the above, but with integrated graphics. After KM133, DDR is supported. The KM133 uses an IGP consisting of the S3 Savage4 3D core and Savage 2000 2D functionality. KM266's ProSavage8 IGP is similar but has an additional 3D pipeline. The KM400 chipset and its "A" variant use the VIA UniChrome IGP. KM400A supports FSB 400 unlike the KT400A
- Later revisions of the KT333 (sometimes called KT333CF) are rebadged KT400 chips with AGP 8x disabled. On motherboards with this chipset AGP 2x cards which require 3.3V are not supported, V-Link works at 533 MB/s and there is official support for 333 MHz FSB.
- KT133E is a cut-down/cost-reduced version of the KT133A without official support for 133 MHz FSB. It was develeoped to replace the original KT133 when it went out of production.
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 | VT8753 | VT8233/8233C | Aug 2001 | 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 | 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 | 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 | VT8753 | VT8233/8233A/8233C | Dec 2001 | 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 | VT8754 | VIA VT8235 | May 2002 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | VT | VT8237, VT8237R(+), VT8251 | Oct 2004 (Announced) Feb 2005 (Available) | 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 | VT3344 | VT8237, VT8237R(+), VT8251 | Sept 2005 | 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 | 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 | 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 | 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 | 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 | 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 | VT | VT8237, VT8237R(+), VT8237A, VT8251 | 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 | VT | VT8237R(+), VT8237A, VT8237S, 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 | 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 |
- Being a reduced version of PM880, PM800 is not as closely related to PT800 as P4M890 to PT890. Because of its high cost, It is soon obsoleted in favor of P4M800 and then P4M800 Pro, both of which have a lower rated V-Link and feature no special memory technology such as FastStream64 or StepUp that is common in the other listed 8xx chipsets.
- VIA PT890, P4M890, PT900, P4M900 – VIA's PCIe-only chipsets. The P4M chipsets have onboard graphics VIA UniChrome Pro.
Socket 754, 939, 940, AM2
| Chipset | IGP Part number | South bridge | Release date | Processors | Max. FSB | SMP | V-Link | AGP | PCI-Express | IGP |
|---|---|---|---|---|---|---|---|---|---|---|
| K8T800 | VT | VT8235, VT8237, VT8237R(+), VT8251 | Apr 2003 | Socket 754/939/940 | 800 MHz | Yes | 533 MB/s | 8x | No | No |
| K8M800 | VT3108 | VT8237, VT8237R(+), VT8251 | Dec 2003 | Socket 754/939/AM2 | 800 MHz | No | 533 MB/s | 8x | No | Yes (VIA UniChrome IGP) |
| K8T800 Pro | VT | VT8237, VT8237R(+), VT8251 | May 2004 | Socket 754/939/940 | 1 GHz | Yes | 1066 MB/s | 8x | No | No |
| K8T890 | VT | VT8237, VT8237R(+), VT8251 | Sept 2004 | Socket 939/AM2 | 1 GHz | No | 1066 MB/s | No | x16 | No |
| K8M890 | VT3230 | VT8237, VT8237R(+), VT8251 | Oct 2005 | Socket 754/939/AM2 | 1 GHz | No | 1066 MB/s | No | x16 | Yes (VIA Chrome9 IGP) |
| K8T900 | VT | VT8237, VT8237R(+), VT8251 | Nov 2005 | Socket 939/AM2 | 1 GHz | No | 1066 MB/s | No | x16, Dual x8 | No |
- VIA K8M890, K8T890, K8T900 – VIA's PCIe-only chipsets.
- The K8M800 chipsets has the onboard graphics VIA UniChrome Pro; the K8M890 has the Chrome9.
- The Athlon 64 chipsets do not have memory controllers, because memory controller is integrated into the CPU. Supported memory types depend on the CPU and socket used.
- The K8M890 was also used on boards with Socket 754, like the ASUS K8V-VM Ultra
Chipsets supporting both VIA and Intel processors
| Chipset (Northbridge)V = MobileC = Desktop | Internal UnichromeIGPPart number | IGP | South bridge | Release date | Processors | FSB | Memory types | Memory bus | Max. memory | V-Link | PCI | AGP | PCI-e | Audio |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CN400 | VT3118 | VIA UniChrome Pro | VT8237R | Mar 2004 | 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) |
| CX700 | VT3157 | VIA UniChrome Pro II | (single-chip solution) | Jul 2006 | Intel Pentium M/VIA C7-M/C7-M ULV | 533/400 MHz | DDR2/DDR SDRAM | up to 533/400 MHz | 2GB | NA - (single-chip solution) | 4 | No | No | VIA Vinyl HD Audio |
| CN700 | 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 | 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 1 GB * | 533 MB/s | 8× | No | SB (VIA Vinyl Audio) | |
| CN800 | 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 | 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 | 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 | μMSP2 | 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 | 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) |
- VIA VX700 - Supports VIA C7-M or C7-ULV 533/400 MHz FSB DDR2 533/400/333 or DDR400/333 Utilizes the VIA UniChrome Pro II Integrated Graphics Processor (IGP)
- VIA VN800 – Supports VIA C7-M / Intel Pentium M / Celeron M, and Yonah (Core Solo and Core Duo) Processors VIA UniChrome Pro Integrated Graphics Processor (200 MHz core clock) DirectX 7 Support product: (VIA EPIA - Mini-ITX Board) * - Cited in marketing literature as supporting up to 4 GB DDR2 SDRAM; only supported up to 1 GB DDR2 max actual per memory-slot. Motherboards with 1-slot support 1 GB-max; motherboards with 2-slots support 2 GB-max, etc.
- VIA VN896 (Mobile) and VIA CN896 (Desktop). VIA VN896(Mobile) can support Intel Pentium M / Celeron M, Core Solo / Core Duo, and Core2 Duo Processors Support product: (BenQ Joybook R42)
- VIA VX800 First VIA mobile chipset to support DirectX 9.0 (Pixel Shader 2.0) VIA Chrome9 HC3 Integrated Graphics Processor (250 MHz engine clock, up to 256 MB frame buffer) Built-in VIA Vinyl HD Audio controller supporting up to eight high-definition channels with a 192 kHz sampling rate and 32-bit sample depth Supports 400/800 MHz FSB Supports up to 4 GB of RAM with two 64-bit DDR2-667 DIMMs Single-chip solution (no southbridge or V-Link required) Designed towards being used with the VIA Isaiah 64-bit processor. Maximum power consumption (TDP max) of 5 watts.
- VIA VX800U Similar to the VIA VX800 VIA Chrome9 HC3 integrated graphics (166 MHz engine clock, up to 256 MB frame buffer) Supports a 400 MT/s FSB Supports up to 4GBs of RAM with two 64-bit DDR2-400 DIMMs Does not support PCIe or SATA due to their power requirements Maximum power consumption of 3.5 watts Intended for very low-power devices
- VIA VX855 Full hardware acceleration of H.264, MPEG-2 and WMV9 Single-chip solution (no southbridge or V-Link required) Maximum power consumption of 2.3 watts
- VIA VN1000 DirectX 10.1 32 stream processors and 4 sampling units, supports Shader Model 4, OpenGL 3.0 and OpenCL 1.0 for GPGPU applications. Acceleration of Blu-ray, MPEG-2, WMV-HD, VC-1 and H.264
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 | 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 | 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 ×2-1x1-4 | 6 | 3 (1 shared as Device port) | VIA Chrome 645/640 | VIA Vinyl HD Audio | 5.8W |
- VIA VX900 Similar to VX855, but more expansion options
- VIA VX11/H First VIA chipset built on the 40 nm CMOS process Maximum power consumption of 5.8 watts DDR3-1333 memory with maximum memory capacity of 16 GB Integrated ChromotionTM 5.0 DX11 2D/3D graphics & video processor DirectX 11, OpenGL 3.2. Acceleration of Blu-ray, MPEG-2, WMV-HD, VC-1 and H.264 A card reader interface with support for MMC, MS Pro HG, and SDHC/SDXC
Southbridge chips
| Part number | PATA | SATA | RAID | North Bridge interconnect | PCI | PCI-e | USB | Audio | Modem | Ethernet MAC | 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 | 4 ATA66 | No | No | PCI | 4 1.1 | AC'97 & Sound Blaster | Yes | No | Yes | ||
| VT82C686B | 4 ATA100 | No | No | PCI | 4 1.1 | AC'97 & Sound Blaster | Yes | No | Yes | ||
| VT8231 | 4 ATA100 | No | No | PCI | 4 1.1 | AC'97 & Sound Blaster | Yes | VIA 10/100 Ethernet or HomePNA (NOT ON ALL) | Yes | ||
| VT8233 | 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 | 4 ATA133 | No | No | 4× V-Link 266 MB/s | 4 1.1 | AC'97 | Yes | No | No | ||
| VT8233C | 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 | 4 ATA133 | No | No | 8× V-Link 533 MB/s | 6 2.0 | AC'97 | Yes | VIA 10/100 | No | ||
| VT8237(R+) | 4 ATA133 | 2 SATA-150, SATALite* | (SATA) RAID 0, 1, 0+1* & JBOD | 8× V-Link 533 MB/s / Ultra V-Link (1GB/s) | 8 2.0 | AC'97 | Yes | VIA 10/100 | No | ||
| VT8237A | 4 ATA133 | 2 SATA-150, SATALite* | (SATA) RAID 0, 1, 0+1* & JBOD | Ultra V-Link (1GB/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 | Ultra V-Link (1GB/s) | 8 2.0 | HD Audio | Yes | VIA 10/100 | No | ||
| VT8251 | 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 | 2 ATA133 | 4 SATA-II | No | Ultra V-Link (1GB/s) | 5 | 12 2.0 | HD Audio | Yes | VIA 10/100/1000 | No |
- The VT82C686A/B and VT8231 support hardware Sound Blaster Pro compatible sampled sound, and FM synthesis emulation through use of a TSR.
- The SATALite interface allows for two additional SATA devices (4 total) with use of a PHY chip which occupies the secondary PATA channel. It is required for RAID 0+1 on VT8237R Plus.
- The VT8237 and VT8237R do not support SATA speed autonegotiation and will not work with SATA-II or III drives unless the drive has a compatibility mode jumper set. The VT8237R Plus supports SATA II drives but only at the 150 MB/S speed.
- The SATA-II feature of VT8237S is limited to 300 MB/S Data Transfer Rate bearing no NCQ functionality.
- Motherboards frequently had VIA companion chips for added functionality such as better audio (8 channel), more/faster USB (i.e. USB 2.0 for VT8233), or Gigabit Ethernet.
- The software modem is supported through a MC'97 or HD Audio codec chip and requires external components to implement the electrical connection to the telephone line. This circuitry could be included on the motherboard directly but was typically added through a communications riser slot.
- The chipset integrated Ethernet MAC requires an additional PHY chip. Some vendors opted to add a MAC and PHY from a different manufacturer instead of using the chipset's built in capability.
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. The KT266 contains a hardware bug which can cause system instability when using the AGP slot at the 4× speed.
See also
- S3 Chrome
- S3 Savage
- Comparison of AMD chipsets
- Comparison of ATI chipsets
- List of Intel chipsets
- Comparison of Nvidia chipsets