List of VIA chipsets

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

Mature/Obsolete

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 Master^[1]	VT82C575M + VT82C577M	VT82C576M + VT82C416	1995	Socket 5	66 MHz	No	FPM EDO BEDO	66 MHz	1024 MB	2 MB	1024 MB w/ 1 MB L2	No	2.1	No	No
Apollo VP^[2]	VT82C585VP, VT82C587VP	VT82C586	1996	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	No
Apollo VP2/97^[2]	VT82C595	VT82C586B	1997	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	No
Apollo VPX/97^[2]	VT82C595	VT82C586B	1997	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	No
Apollo VP3^[2]^[3]	VT82C597	VT82C586B	1997	Socket 7	66 MHz	No	FPM EDO BEDO SDRAM	66 MHz	1024 MB	2 MB	1024 MB w/ 2 MB L2	Yes	2.0	2×	No
Apollo MVP3^[2]^[4]	VT82C598AT	VT82C586B, 596A/B or 686A/B	1998	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	2×	No
Apollo MVP4^[5]	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.

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	V-Link	AGP	IGP
Apollo Pro^[2]	VT82C691, VT82C692BX	VT82C586B, VT82C596	May 1998	Pentium III, Pentium II, Pentium Pro	66/100 MHz	No	FPM, EDO, BEDO, PC66/PC100 SDRAM, VCSDRAM	66/100 MHz	1 GB	NA	NA	Yes	2.1	No	2×	No
Apollo Pro+	VT82C693	VT82C586B, VT82C596A/B	Dec 1998	Pentium III, Pentium II, Pentium Pro	66/100 MHz	No	FPM, EDO, BEDO, PC66/PC100 SDRAM, VCSDRAM	66/100 MHz	1 GB	NA	NA	Yes	2.1	No	2×	No
Apollo Pro 133	VT82C693A	VT82C596A/B, VT82C686A/B	July 1999	Pentium III, Pentium II	66/100/133 MHz	No	FPM, EDO, PC66/PC100/PC133 SDRAM, VCSDRAM	66/100/133 MHz	1.5 GB	NA	NA	Yes	2.1	No	2×	No
Apollo Pro 133A	VT82C694X or VT82C694MP	VT82C596B or VT82C686A/B	Oct 1999	Pentium III, Pentium II	66/100/133 MHz	Yes (VT82C694MP only)	PC100/PC133 SDRAM, VCSDRAM	66/100/133 MHz	2 GB	NA	NA	Yes	2.1	No	4×	No
Apollo Pro 133T	VT82C694T	VT82C686B	Mar 2001	Pentium III, Celeron, Pentium III Tualatin	66/100/133 MHz	No	PC100/PC133 SDRAM, VCSDRAM	66/100/133 MHz	2 GB	NA	NA	Yes	2.2	No	4×	No
ProSavage PM133	VT8601	VT82C686A/B		Pentium III, Pentium II	66/100/133 MHz	No	PC100/PC133 SDRAM, VCSDRAM	66/100/133 MHz		NA	NA		2.1	No	4x	Yes
PLE133	VT8601A	VT82C686B		Pentium III, Celeron, C3	66/100/133 MHz	No	PC100/PC133 SDRAM, VCSDRAM	66/100/133 MHz	1 GB	NA	NA	No	2.2	No	No	Yes
PLE133T	VT8601T	VT82C686B		Pentium III, Celeron, C3, Pentium III Tualatin	66/100/133 MHz	No	PC100/PC133 SDRAM, VCSDRAM	66/100/133 MHz	1 GB	NA	NA	No	2.2	No	No	Yes
Apollo Pro 266	VT8633	VT8233	Sept 2000	Pentium III, Celeron, C3	66/100/133 MHz	Yes	SDRAM DDR 200/266, PC100/PC133 SDRAM, VCSDRAM	200/266 MHz DDR, 100/133 MHz SDRAM	4 GB	NA	NA		2.1	266 MB/s	4×	No
Apollo Pro 266T	VT8653	VT8233		Pentium III, Celeron, Pentium III Tualatin, C3	66/100/133 MHz	Yes	SDRAM DDR 200/266, PC100/PC133 SDRAM, VCSDRAM	200/266 MHz DDR, 100/133 MHz SDRAM	4 GB	NA	NA		2.1	266 MB/s	4×	No
CLE266	VT8622 or VT8633	VT8233A, VT8235M		Pentium III, Celeron, Pentium III Tualatin, C3	66/100/133 MHz	No	SDRAM DDR 200/266	100/133 MHz	2 GB	NA	NA	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.
Asus advertised some boards as Apollo Pro 133Z.^[6] 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	SMP	Memory types	Memory bus	Max. memory	V-Link	AGP
KX133^[7]	VT8371	VT82C686A		Athlon (Slot A)	100 MHz	No	SDR SDRAM, VCSDRAM	100–133 MHz	2.0 GB	No	4×
KT133^[8]	VT8363	VT82C686A/B		Athlon, Duron (Socket A)	100 MHz	No	SDR SDRAM, VCSDRAM	100–133 MHz	1.5 GB	No	4×
KLE133^[9]	VT8361	VT82C686B	2001	Athlon, Duron (Socket A)	100–133 MHz	No	SDR SDRAM, VCSDRAM	66–133 MHz	1.0 GB	No	4× (integrated Trident graphics^[10])
KT133A^[11]	VT8363A	VT82C686B	2001	Athlon, Athlon XP, Duron (Socket A)	100–133 MHz	No	SDR SDRAM, VCSDRAM	100–133 MHz	1.5 GB	No	4×
KT266^[12]	VT8366	VT8231, VT8233	Jan 2001	Athlon, Athlon XP, Duron (Socket A)	100–133 MHz	No	SDR SDRAM, DDR SDRAM	100–133 MHz	4.0 GB	266 MB/s	4×
KT266A^[13]	VT8366A	VT8231, VT8233	Sept 2001	Athlon, Athlon XP, Duron (Socket A)	100–133 MHz	No	SDR SDRAM, DDR SDRAM	100–133 MHz	4.0 GB	266 MB/s	4×
KT333^[14]	VT8367	VT8233	Feb 2002	Athlon, Athlon XP, Duron, Sempron (Socket A)	100–133 / 166 MHz	No	DDR SDRAM	100–166 MHz	4.0 GB	266 MB/s	4×
KT400^[15]	VT8368	VT8235, VT8237	Aug 2002	Athlon, Athlon XP, Duron, Sempron (Socket A)	100–166 MHz	No	DDR SDRAM	100–166 MHz	4.0 GB	533 MB/s	8×
KT400A^[16]	VT8377A	VT8237, VT8251	Mar 2003	Athlon, Athlon XP, Duron, Sempron (Socket A)	100–166 MHz	No	DDR SDRAM	100–200 MHz	4.0 GB	533 MB/s	8×
KT600^[17]	VT8377	VT8237, VT8251	May 2003	Athlon, Athlon XP, Duron, Sempron (Socket A)	100–200 MHz	No	DDR SDRAM	100–200 MHz	8.0 GB	533 MB/s	8×
KT880^[18]	VT8379	VT8237, VT8251	Feb 2004	Athlon, Athlon XP, Duron, Sempron (Socket A)	100–200 MHz	No	DDR SDRAM	Dual 100–200 MHz	8.0 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×.^[19]
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.
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.
KT133E (= VT8363E + VT82C686B) appears on Gigabyte 7IXEH ^[20] but is not listed on the VIA site. Based on the specifications of that motherboard, KT133E appears to be equivalent to (or a cost-reduced rehash of) KT133, supporting 133 MHz for memory but only 100 MHz for the CPU.
Some revisions of KT333 support 166 MHz FSB.

Socket 478

Chipset	Part Numbers	South Bridge	Release Date	Processors	FSB	SMP	Memory types	Memory bus	Max. memory	Parity/ECC	V-Link	AGP	IGP
P4M266^[21]	VT8751	VT8233/8233A/8233C		Pentium 4, Celeron, Celeron D	400 MHz	No	SDR SDRAM, DDR SDRAM	100/133 MHz SDRAM, 200/266 MHz DDR SDRAM	4.0 GB		266 MB/s	4×	Yes (ProSavage8™ DDR)
P4X266^[22]	VT8753	VT8233/8233C		Pentium 4, Celeron	400 MHz	No	SDR SDRAM, DDR SDRAM	100/133 MHz SDRAM, 200/266 MHz DDR SDRAM	4.0 GB		266 MB/s	4×	No
P4X266E^[23]	VT8753	VT8233/8233C		Pentium 4, Celeron, Celeron D	400/533 MHz	No	SDR SDRAM, DDR SDRAM	100/133 MHz SDRAM, 200/266 MHz DDR SDRAM	4.0 GB		266 MBs	4×	No
P4X266A^[24]	VT8753	VT8233/8233A/8233C		Pentium 4, Celeron	400/533 MHz	No	SDR SDRAM, DDR SDRAM	100/133 MHz SDRAM, 200/266 MHz DDR SDRAM	4.0 GB		266 MB/s	4×	No
P4X333^[25]	VT83754	VIA VT8235		Pentium 4, Celeron, Celeron D	400/533 MHz	No	DDR SDRAM	200/266/333 MHz	4.0 GB		533 MB/s	8×	No
P4X400^[26]	VT8754	VIA VT8235		Pentium 4, Celeron, Celeron D	400/533 MHz	No	DDR SDRAM	200/266/333/400 MHz	4.0 GB		533 MB/s	8×	No
P4X533^[27]		VIA VT8237R+		Pentium 4, Celeron, Celeron D	400/533 MHz	No	DDR SDRAM	200/266/333/400 MHz	4.0 GB		533 MB/s	8×	No

Currently being produced

AMD / Intel processors

VIA K8 series - Athlon 64 chipsets. Established an early market lead, with richer features, and a full speed HyperTransport implementation
VIA PT890, P4M890, PT900, P4M900, K8M890, K8T890, K8T900 - VIA's PCIe-only chipsets. The P4M and K8M chipsets have onboard graphics VIA UniChrome Pro.
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.
VIA Chipsets K8 Series for AMD CPU Comparison Chart

Chipset	Part Numbers	South Bridge	Release Date	Processors	Max. FSB	SMP	V-Link	AGP	PCI-Express
K8T800^[28]	VT	VT8237R+/VT8251	Apr 2003	Socket 754/939	800 MHz	No	533 MB/s	8x	No
K8M800 (IG)^[29]	VT	VT8237R+/VT8251	Dec 2003	Socket 754/939	800 MHz	No	533 MB/s	8x	No
K8T800 Pro^[30]	VT	VT8237R+	May 2004	Socket 939	1 GHz	No	1066 MB/s	8x	No
K8T890^[31]	VT	VT8251	Sept 2004	Socket 939/AM2	1 GHz	No	1066 MB/s	No	x16
K8M890 (IG)^[32]	VT	VT8251	Oct 2005	Socket 939/AM2	1 GHz	No	1066 MB/s	No	x16
K8T900^[33]	VT	VT8251	Nov 2005	Socket 939/AM2	1 GHz	No	1066 MB/s	No	x16, Dual x8

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 Chipsets P4 Series for Intel CPU Comparison Chart

Chipset	Part Numbers	South Bridge	Release Date	Processors	Max. FSB	SMP	Memory types	Memory bus	Max. memory	V-Link	AGP	PCI-Express
PT800^[34]	VT	VT8237	Jul 2003	LGA 775/Socket 478	800 MHz	No	DDR SDRAM	266/333/400 MHz	3 GB	533 MB/s	8x	No
PM800 (IG)^[35]	VT	VT8237	Nov 2003	LGA 775/Socket 478	800 MHz	No	DDR SDRAM	266/333/400 MHz	3 GB	1066 MB/s	8x	No
PT880^[36]	VT	VT8237	Nov 2003	LGA 775/Socket 478	800 MHz	No	Dual Channel DDR SDRAM	266/333/400 MHz	4 GB	1066 MB/s	8x	No
PM880 (IG)^[37]	VT	VT8237	Nov 2003	LGA 775/Socket 478	800 MHz	No	Dual Channel DDR SDRAM	266/333/400 MHz	4 GB	1066 MB/s	8x	No
P4M800 (IG)^[38]	VT	VT8237R+		LGA 775/Socket 478	800 MHz	No	DDR SDRAM	266/333/400 MHz	3 GB	533 MB/s	8x	No
P4M800 Pro (IG)^[39]	VT	VT8237R+		LGA 775	1066 MHz	No	DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533 MHz DDR2	2 GB	533 MB/s	8x	No
PT880 Pro^[40]	VT	VT8237R+	Jan 2005	LGA 775	800 MHz	No	Dual Channel DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533 MHz DDR2	4 GB	1066 MB/s	8x	x4
PT880 Ultra^[41]	VT	VT8237R+	Jan 2005	LGA 775	1066 MHz	No	Dual Channel DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533 MHz DDR2	4 GB	1066 MB/s	8x	x4
PT894^[42]	VT	VT8237R+	Jan 2005	LGA 775	1066 MHz	No	Dual Channel DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533/667 MHz DDR2	4 GB	1066 MB/s	No	x16
PT894 Pro^[43]	VT	VT8237R+	Jan 2005	LGA 775	1066 MHz	No	Dual Channel DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533/667 MHz DDR2	4 GB	1066 MB/s	No	x16
P4M890 (IG)^[44]	VT	VT8237A	Feb 2006	LGA 775	1066 MHz	No	DDR/DDR2 SDRAM	200/266/333/400 MHz DDR, 400/533 MHz DDR2	4 GB	533 MB/s	No	x16
PT890^[45]	VT	VT8237A	Apr 2006	LGA 775	1066 MHz	No	DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533 MHz DDR2	4 GB	533 MB/s	No	x16
P4M900 (IG)^[46]	VT	VT8251	May 2006	LGA 775	1066 MHz	No	DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533 MHz DDR2	4 GB	1066 MB/s	No	x16
PT900^[47]	VT	VT8237A	May 2006	LGA 775	1066 MHz	No	DDR/DDR2 SDRAM	266/333/400 MHz DDR, 400/533 MHz DDR2	4 GB	1066 MB/s	No	x16

VIA processors

Chipset	Part Numbers	South Bridge	Release Date	Processors	FSB	SMP	Memory types	Memory bus	Max. memory	Parity/ECC	V-Link	PCI	AGP	PCI-e	IGP	Audio
VX700^[48]	VT	(single-chip solution)	Jul 2006	VIA C7-M/C7-M ULV	533/400 MHz	No	DDR2/DDR SDRAM		2GB		No	4	8×	No	VIA UniChrome Pro	VIA Vinyl HD Audio
CN700^[49]	VT	VT8237A/VT8251	2006	VIA C7	533/400 MHz	No	DDR2/DDR SDRAM	up to 533 MHz	2GB		533MB/s	SB	8×	No	VIA UniChrome Pro	SB
CN800^[50]	VT	VT8237R Plus	Nov 2006	VIA C7/C7-D	533/400 MHz	No	DDR2/DDR SDRAM	up to 667 MHz	4GB		533MB/s	SB	8×	No	VIA UniChrome Pro	SB
CN896^[51]	VT	VT8237S/VT8251	Feb 2007	VIA C7/C7-D/Eden (V4)	800/400 MHz	No	DDR2/DDR SDRAM	up to 667 MHz	4GB		533MB/s	SB	No	×16-1 ×1-1	VIA Chrome9 HC	SB
VX800^[52]	VT	(single-chip solution)	Apr 2008	VIA Nano/C7/Eden	800/400 MHz	No	DDR2 SDRAM	up to 667 MHz	4GB		No	4	No	×4-1 ×1-2	VIA Chrome9 HC3	VIA Vinyl HD Audio
VX855^[53]	VT	(single-chip solution)	Mar 2009	VIA Nano/C7/Eden	800/400 MHz	No	DDR2 SDRAM	up to 800 MHz	4GB		No	No	No	No	VIA Chrome9 HCM	VIA Vinyl HD Audio
VX900^[54]	VT	(single-chip solution)	Mar 2010	VIA Nano/C7/Eden	800/400 MHz	No	DDR2/DDR3 SDRAM	up to 800 MHz	4GB		No	Yes	No	×4-1 ×1-2	VIA Chrome9 HCM	VIA Vinyl HD Audio
VN1000^[55]	VT	VT8261	Dec 2010	VIA Nano/C7/C7-D/Eden (V4)	800/400 MHz	No	DDR2/DDR3 SDRAM	up to 800 MHz	16GB		Ultra V-Link (1GB/s)	SB	No	×8-1 ×1-4	VIA Chrome 520	VIA Vinyl HD Audio
VX11H^[56]	VT	(single-chip solution)	Aug 2012	VIA Nano/X2/QuadCore/C7/C7-D/Eden (V4)	1066/533 MHz	No	DDR3 SDRAM	up to 1333 MHz	16GB		no	SB	No	×4(1)-1(2) ×2(1)-(1)4	VIA Chrome 645/640	VIA Vinyl HD Audio
Chipset	Part Numbers	South Bridge	Release Date	Processors	FSB	SMP	Memory types	Memory bus	Max. memory	Parity/ECC	V-Link	PCI	AGP	PCI-e	IGP	Audio

VIA VN800 - Support VIA C7-M / Intel Pentium M Processors

- Support product: (VIA VB6002 Mini-ITX Board)

VIA VX700 - utilizes the VIA UniChrome Pro Integrated Graphics Processor (IGP), C7-M or C7-ULV 533/400 MHz FSB, DDR2 533/400/333 or DDR400/333
VIA VN896 (Mobile) and VIA CN896 (Desktop),VIA VN896(Mobile) can support Intel Pentium M / Mobile Core Duo Processor

- 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 (250 MHz engine clock, up to 256 MB frame buffer)
- Built-in VIA Vinyl HD Audio controller supports up to eight high definition channels with a 192 kHz sampling rate and 32-bit sample depth.
- Supports 800/400 MHz FSB
- Supports up to 4GBs of RAM with two 64-bit DDR2 667 DIMMs
- Single chip solution (No southbridge 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 400 MHz FSB
- Supports up to 4GBs of RAM with two 64-bit DDR2 400 DIMMs
- Doesn't have PCI-Express nor SATA support due to their power requirements.
- Maximum power consumption (TDP max) of 3.5 watts.
- Specifically issued to be used in very low power devices.
VIA VX855
- Full hardware acceleration of H.264, MPEG-2 and WMV9
- Maximum power consumption (TDP max) of 2.3 watts.
VIA VX900
- Similar to VX855, but more expansion options
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
VIA VX11/H
- First VIA chipset built on 40 nm CMOS process
- TDP max: 5.8 W
- DDR3 1333 SDRAM memory with maximum memory capacity of 16GB
- Integrated ChromotionTM 5.0 DX11 2D/3D graphics & video processor
- 32 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	NB Interconnect	PCI	PCI-e	USB	Audio	Modem	Ethernet	Integrated Super I/O
VT82C586A	4 ATA33	No	No	PCI						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^[7]	4 ATA66	No	No	PCI			4 1.1	AC'97	Yes	No	Yes
VT82C686B^[11]	4 ATA100	No	No	PCI			4 1.1	AC'97	Yes	No	Yes
VT8231	4 ATA100	No	No	4× V-Link 266 MB/s			6 1.1	AC'97	Yes	No	Yes
VT8233^[12]	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^[14]	4 ATA133	No	No	4× V-Link 266 MB/s			6 1.1	AC'97	Yes	VIA 10/100	No
VT8233C^[14]	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^[14]	4 ATA133	No	No	8× V-Link 533 MB/s			6 2.0	AC'97	Yes	VIA 10/100	No
VT8237(R+)^[16]	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^[57]	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^[58]	4 ATA133	4 SATA-II	(SATA) RAID 0, 1, 0+1* & JBOD	8× V-Link 533 MB/s	7	×1-2	8 2.0	HD Audio	Yes	VIA 10/100	No
VT8261^[59]	2 ATA133	4 SATA-II	No	Ultra V-Link (1GB/s)	5		12 2.0	HD Audio	Yes	VIA 10/100/1000	No
Part Number	PATA	SATA	RAID	NB Interconnect	PCI	PCI-e	USB	Audio	Modem	Ethernet	Integrated Super I/O

*SATALite interface allows for two additional SATA devices (4 total). It is required for RAID 0+1 on VT8237R Plus.
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.
8233: while AC97 could help offer a fau modem, this feature is not "on the board" and (some) boards did not come with a modem connector bought from store in box
8233: manual does not mention 3com 10/100 at all and there is not connector - I believe the citation above to be possibly made by someone who does not have 8233

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 disc 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.^[60]^[61]^[62]^[63] The KT266 contains a hardware bug which cause system instability when using the AGP slot at the specified max capacity of 4×. [14]

References

↑ "VT82C570M Apollo Master". VIA Technologies. Archived from the original on October 26, 1997.
1 2 3 4 5 6 Lal Shimpi, Anand. Chipset Guide, Anandtech, August 1, 1997.
↑ http://www.anandtech.com/show/72/18
↑ VIA Apollo MVP3, VIA Technologies, accessed August 22, 2007.
↑ VIA Apollo MVP4, VIA Technologies, accessed August 22, 2007.
↑ http://www.hardcoreware.net/reviews/review-99-1.htm, http://www.overclockersonline.net/?p=500011, accessed October 7, 2012.
1 2 VIA KX133, VIA Technologies, accessed August 21, 2007.
↑ VIA KT133, VIA Technologies, accessed August 21, 2007.
↑ VIA KLE133, VIA Technologies, accessed October 7, 2012.
↑ http://www.biostar-usa.com/mbdetails.asp?model=m7vkq, accessed October 7, 2012.
1 2 VIA KT133A, VIA Technologies, accessed August 21, 2007.
1 2 VIA KT266, VIA Technologies, accessed August 21, 2007.
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↑ http://www.via.com.tw/en/products/chipsets/southbridge/vt8251/index.jsp
↑ http://www.via.com.tw/en/products/chipsets/southbridge/vt8261/index.jsp
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