VIA chipsets

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This is a list of computer motherboard chipsets made by VIA Technologies.

Contents

[edit] Mature/Obsolete

[edit] Socket 7

Chipset Part
Numbers		 South Bridge Release Date Processors FSB SMP Memory types Memory bus Max. memory Max. cache Max. cacheable RAM Parity/
ECC		 PCI AGP IGP
Apollo VP[1] VT82C585VP, VT82C587VP VT82C586 Socket 7 66 MHz No FPM EDO BEDO SDRAM 66 MHz 512 MB (512 MiB) 2 MB 512 MB w/ 2 MB L2 No 2.0 No
Apollo VP2/97[1] VT82C595 VT82C586B Socket 7 66 MHz No FPM EDO BEDO SDRAM 66 MHz 512 MB 2 MB 512 MB w/ 2 MB L2 Yes 2.0 No
Apollo VPX/97[1] VT82C595 VT82C586B Socket 7 66 MHz No FPM EDO BEDO SDRAM 66 MHz 512 MB 2 MB 512 MB w/ 2 MB L2 No 2.0 No
Apollo VP3[1] VT82C597 VT82C586B Super
Socket 7		 66 - 100 MHz No FPM EDO BEDO SDRAM 66 - 100 MHz 768 MB 2 MB 512 MB w/ 2 MB L2 Yes 2.0 2x
Apollo MVP3[2][1] VT82C598AT VT82C586B, 596A/B or 686A/B Super
Socket 7		 66 - 100 MHz No FPM EDO BEDO SDRAM 66 - 100 MHz 768 MB 2 MB 512 MB w/ 2 MB L2 Yes 2.1 2x
Apollo MVP4[3] VT8501 VT82C686A/B or VT82C596B Super
Socket 7		 66 - 100 MHz No FPM EDO BEDO SDRAM 66 - 100 MHz 768 MB 2 MB 512 MB w/ 2 MB L2 Yes 2.1 No Trident Blade3D

AMD licensed the VIA Apollo VP2/97 core logic architecture as its AMD 640 chipset.

[edit] Socket 370 and Slot 1

Chipset Part Numbers South Bridge Release Date Processors FSB SMP Memory types Memory bus Max. memory Max. cache Max. cacheable RAM Parity/ECC PCI AGP IGP
Apollo Pro[1] VT82C691, VT62C692BX VT82C586B Pentium III, Pentium II, Pentium Pro 66/100 MHz No FPM EDO BEDO SDRAM 66/100MHz 1 GB (1 GiB) NA NA Yes 2.1 2x No
Apollo Pro+ VT82C693 VT82C586B, VT82C596A/B Pentium III, Pentium II, Pentium Pro 66/100 MHz No FPM EDO BEDO SDRAM 66/100 MHz 1 GB NA NA Yes 2.1 2x No
Apollo Pro 133 VT82C693A VT82C596A/B, VT82C686A/B Pentium III, Pentium II 66/100/133 MHz No SDRAM 100/133 MHz 1.5 GB NA NA 2.1 2x No
Apollo Pro 133A VT82694X or VT82C694MP VT82C596B or VT82C686A/B Pentium III, Pentium II 66/100/133 MHz No SDRAM 100/133 MHz 2 GB NA NA Yes 2.1 4x No
Apollo Pro 133T VT82C694T VT82C686B Pentium III, Celeron 66/100/133 MHz No SDRAM 66/100/133 MHz 2 GB NA NA Yes 2.1 4x No
Apollo Pro 266 VT8633 VT8233 Pentium III, Celeron, C3 66/100/133 MHz No SDRAM DDR 200/266 100/133 MHz 4 GB NA NA 2.1 4x No
Apollo Pro 266T VT8653 VT8233 Pentium III Tualatin, Celeron Tualatin, C3 66/100/133 MHz No SDRAM DDR 200/266 100/133 MHz 4 GB NA NA 2.1 4x No
ProSavage PM133 VT8601 VT82C686B Pentium III, Pentium II 66/100/133 MHz No SDRAM 66/100/133 MHz NA NA 2.1 Yes Yes
  • ProSavage PM133 - Graphics core from S3, derived from a combination of the 3D component of Savage4 and 2D from Savage 2000.

[edit] Slot A and Socket A

Chipset Part Numbers South Bridge Release Date Processors FSB SMP Memory types Memory bus Max. memory Parity/ECC V-Link AGP
KX133[4] VT8371 VT82C686A Slot A 100 MHz No SDR SDRAM 100-133 MHz 2.0 GB No 4x
KT133[5] VT8363 VT82C686A/B Socket A 100 MHz No SDR SDRAM 100-133 MHz 1.5 GB No 4x
KT133A[6] VT8363A VT82C686B Socket A 100-133 MHz No SDR SDRAM 100-133 MHz 1.5 GB No 4x
KT266[7] VT8366 VT823x Socket A 100-133 MHz No DDR SDRAM 100-133 MHz 4.0 GB 266 MB/s 4x
KT266A[8] VT8366A VT823x Socket A 100-133 MHz No DDR SDRAM 100-133 MHz 4.0 GB 266 MB/s 4x
KT333[9] VT8367 VT8233, VT8235 Socket A 100-166 MHz No DDR SDRAM 100-166 MHz 4.0 GB 266 MB/s 4x
KT400[10] VT8368 VT8235, VT8237 Socket A 100-166 MHz No DDR SDRAM 100-166 MHz 4.0 GB 533 MB/s 8x
KT400A[11] VT8377A VT8237, VT8251 Socket A 100-166 MHz No DDR SDRAM 100-200 MHz 4.0 GB 533 MB/s 8x
KT600[12] VT8377 VT8237, VT8251 Socket A 100-200 MHz No DDR SDRAM 100-200 MHz 8.0 GB 533 MB/s 8x
KT880[13] VT8379 VT8237, VT8251 Socket A 100-200 MHz No DDR SDRAM Dual 100-200 MHz 8.0 GB 533 MB/s 8x
  • KT266 contains a hardware bug which cause system instability when using the AGP slot at the specified max capacity of 4x. [14]
  • ProSavage KM133, 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.

[edit] Currently being produced

[edit] Desktop

  • VIA K8T800, VIA K8T800 PRO, VIA K8M800 - Athlon 64 chipsets. Established an early market lead, with richer features, and a full speed HyperTransport implementation
  • VIA PT880, PT880 Pro, PT880 Ultra, K8T890, K8M890, PT890, P4M890, PT894 - Via's first PCIe IGP chipsets (Pentium 4, Athlon 64), DDR/DDR2 memory, built-in UniChrome Pro video, 533MB/s VIA V-Link interface
  • VIA PT900, P4M900, K8T900, K8M900 - VIA's PCIe-only chipsets. The P4M900 and K8M900 have onboard graphics. The PT900 and P4M900 chipsets have single-channel DDR2-only memory controllers, while the K8T900 and K8M900 being Athlon 64 chipsets do not have memory controllers.
  • VIA Chipsets K8 Series for AMD CPU Comparison Chart
Chipset Part Numbers South Bridge Release Date Processors FSB SMP Memory types Memory bus Max. memory Parity/ECC V-Link AGP
K8T890[15] VT VT MHz No DDR SDRAM MHz GB MB/s 4x
K8M890[16] VT VT MHz No DDR SDRAM MHz GB MB/s 4x
Chipset Part Numbers South Bridge Release Date Processors FSB SMP Memory types Memory bus Max. memory Parity/ECC V-Link AGP
PM800[17] VT VT Lga 775 MHz No DDR SDRAM MHz GB MB/s 8x
P4M800Pro[18] VT VT Lga 775 MHz No DDR SDRAM MHz GB MB/s 8x
P4M890[17] VT VT Lga 775 MHz No DDR SDRAM MHz GB MB/s 8x
P4M900[17] VT VT Lga 775 MHz No DDR SDRAM MHz GB MB/s 8x
PT880[19] VT VT Lga 775 MHz SDR SDRAM MHz GB No 4x
PT880 Pro[20] VT VT Lga 775 Hz No SDR SDRAM MHz GB No 4x
PT880 Ultra[21] VT VT Lga 775 MHz No SDR SDRAM MHz 1.5 GB No 4x
PT890[22] VT VT Lga 775 MHz No DDR SDRAM MHz GB MB/s 4x
PT894[23] VT VT Lga 775 MHz No DDR SDRAM MHz GB MB/s 8x

[edit] Laptop

[edit] Embedded

This chipsets are used with VIA's own VIA C7 processors.

  • VIA VN896 (Mobile) and VIA CN896 (Desktop)
  • VIA VN800
  • VIA VX700 - utilizes the VIA UniChrome Pro Integrated Graphics Processor (IGP), C7-M or C7-ULV 533/400MHz FSB, DDR2 533/400/333 or DDR400/333
  • VIA VX800
    • First VIA mobile chipset to support DirectX 9.0 (Pixel Shader 2.0)
    • Up to 4GBs of DDR2 RAM.
    • Single chip solution (No southbridge required).
    • Designed towards being used with the VIA Isaiah 64-bit processor.
  • VIA VX800U
    • Similar to the VIA VX800
    • Doesn't have Gigabit Ethernet nor SATA support due to their power requirements.
    • Specifically issued to be used in very low power devices.

[edit] South bridge chips

Part Number PATA SATA RAID NB Interconnect USB Audio Modem Ethernet
VT82C586A 4 ATA33 No No PCI No No
VT82C586B 4 ATA33 No No PCI 1.1 No
VT82C596A 4 ATA33 No No PCI 1.1 No
VT82C596B 4 ATA66 No No PCI 1.1 No
VT82C686A[4] 4 ATA66 No No PCI 4 1.1 AC97 Yes No
VT82C686B[6] 4 ATA100 No No PCI 4 1.1 AC97 Yes No
VT8231 4 ATA100 No No 4x V-Link 266 MB/s 6 1.x AC97 Yes No
VT8233[7] 4 ATA100 No No 4x V-Link 266 MB/s 6 1.1 AC97 Yes VIA 10/100
VT8233A[9] 4 ATA133 No No 4x V-Link 266 MB/s 6 1.1 AC97 Yes VIA 10/100
VT8233C[9] 4 ATA100 No No 4x V-Link 266 MB/s 6 1.1 AC97 Yes 3Com 10/100
VT8235[9] 4 ATA133 No No 8x V-Link 533 MB/s 6 2.0 AC97 Yes VIA 10/100
VT8237(R+)[11] 4 ATA133 2 SATA-150, SATALite* (SATA) RAID 0, 1, 0+1* & JBOD 8x V-Link 533 MB/s 8 2.0 AC-97 Yes VIA 10/100
VT8237A 4 ATA133 2 SATA-150, SATALite* (SATA) RAID 0, 1, 0+1* & JBOD 8x V-Link 533 MB/s 8 2.0 HD-Audio Yes VIA 10/100
VT8237S 4 ATA133 2 SATA-II, SATALite* (SATA) RAID 0, 1, 0+1* & JBOD 8x V-Link 533 MB/s 8 2.0 HD-Audio Yes VIA 10/100
VT8251 4 ATA133 4 SATA-II (SATA) RAID 0, 1, 0+1* & JBOD 8x V-Link 533 MB/s 8 2.0 HD-Audio Yes VIA 10/100
  • *SATALite interface allows for two additional SATA devices (4 total). It is required for RAID 0+1 on VT8237R Plus.
  • 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.

[edit] Hardware bugs

The KT133 chipset corrupted disc subsystems. [24] [25] [26] [27]

[edit] References

  1. ^ a b c d e f Lal Shimpi, Anand. Chipset Guide, Anandtech, August 1, 1997.
  2. ^ VIA Apollo MVP3, VIA Technologies, accessed August 22, 2007.
  3. ^ VIA Apollo MVP4, VIA Technologies, accessed August 22, 2007.
  4. ^ a b VIA KX133, VIA Technologies, accessed August 21, 2007.
  5. ^ VIA KT133, VIA Technologies, accessed August 21, 2007.
  6. ^ a b VIA KT133A, VIA Technologies, accessed August 21, 2007.
  7. ^ a b VIA KT266, VIA Technologies, accessed August 21, 2007.
  8. ^ VIA KT266A, VIA Technologies, accessed August 21, 2007.
  9. ^ a b c d VIA KT333, VIA Technologies, accessed August 21, 2007.
  10. ^ VIA KT400, VIA Technologies, accessed August 21, 2007.
  11. ^ a b VIA KT400A, VIA Technologies, accessed August 21, 2007.
  12. ^ VIA KT600, VIA Technologies, accessed August 21, 2007.
  13. ^ VIA KT880, VIA Technologies, accessed August 21, 2007.
  14. ^ WaveTown - For : VIA-based motherboard owners and 4X AGP-based graphic cards .... 070808 wavetown.net
  15. ^ VIA K8T890, VIA Technologies, accessed August 21, 2007.
  16. ^ VIA K8M890, VIA Technologies, accessed August 21, 2007.
  17. ^ a b c VIA PM800, VIA Technologies, accessed August 21, 2007.
  18. ^ VIA P4M890, VIA Technologies, accessed August 21, 2007.
  19. ^ VIA PT880, VIA Technologies, accessed August 21, 2007.
  20. ^ VIA PT880 Pro, VIA Technologies, accessed August 21, 2007.
  21. ^ VIA PT880 Ultra, VIA Technologies, accessed August 21, 2007.
  22. ^ VIA PT890, VIA Technologies, accessed August 21, 2007.
  23. ^ VIA PT894, VIA Technologies, accessed August 21, 2007.
  24. ^ Driver updates - VIA 686B data-corruption bug fix. 080204 tweakers.net
  25. ^ The well known "George Breese" explains Data Corruption on Large Disks and a fix! - PC Perspective Forums. 080204 forums.pcper.com
  26. ^ VIA 686b/Data Corruption bug - FrostyTech.com. 080204 frostytech.com
  27. ^ 686B/Data Corruption Bug FAQ. 080204 ntcompatible.com

[edit] See also

[edit] External links

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Centaur Technology • Products of VIA Technologies • S3 Graphics
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