This table lists all the Intel chipsets for the Socket 478 platform.
Swipe to scroll horizontally
Chipset
SiS 645DX
SiS 645
Intel 850E
Intel 850
Introduction
March 2002
November 2001
June 2002
January 2001
Processor Platform
Socket 478
Socket 478
Socket 478
Socket 423/478
Supported CPU
Intel Pentium 4
Intel Pentium 4
Intel Pentium 4
Intel Pentium 4
Multiprocessor Support
no
no
yes
yes
Chipset Northbridge
SiS 645DX
SiS 645
Intel KC82850E
Intel KC82850
Chipset Southbridge
SiS 961
SiS 961
Intel 82801 BA
Intel 82801 BA
Front Side Bus Clock
100/133 MHz
100 MHz
100/133 MHz
100/133 MHz
Memory Clock
100/133/166 MHz
100/133 MHz
400 MHz/533 MHz
400 MHz
Asynchronous Memory Clock
yes
yes
yes
yes
FSB-Overclocking
up to 166 MHz
up to 133 MHz
up to 166 MHz
up to 133 MHz
max. # DIMM-Slots
3
3
4
4
max. Memory
3072 MB
3072 MB
2048 MB
2048 MB
SDRAM Support
yes
yes
no
no
DDR SDRAM Support
yes
yes
no
no
VC SDRAM Support
no
no
no
no
RIMM Support (Rambus)
no
no
yes
yes
Dual RIMM Support (Rambus)
no
no
yes
yes
Ultra-DMA/33/66/100
yes/yes/yes
yes/yes/yes
yes/yes/yes
yes/yes/yes
Ultra-DMA/133
no
no
no
no
Max. # USB
4
4
4
4
USB 2.0
no
no
yes
no
Max.# PCI Slots
6
6
6
6
Integrated Graphics
yes
yes
no
no
AGP 1x / 2x / 4x
yes / yes / yes
yes / yes / yes
yes / yes / yes
yes / yes / yes
ACPI Features
yes
yes
yes
yes
Swipe to scroll horizontally
Chipset
Intel 845D
Intel 845
VIA P4X266
VIA P4X266A
Introduction
December 2001
July 2001
August 2001
December 2001
Processor Platform
Socket 478
Socket 423/478
Socket 423/478
Socket 478
Supported CPU
Intel Pentium 4
Intel Pentium 4
Intel Pentium 4
Intel Pentium 4
Multiprocessor Support
no
no
no
no
Chipset Northbridge
Intel 82845
Intel 82845
VIA VT8753
VIA P4X266A
Chipset Southbridge
Intel 82801 BA
Intel 82801 BA
VIA VT8233
VIA VT8233A
Front Side Bus Clock
66/100/133 MHz
66/100/133 MHz
100 MHz
100 MHz
Memory Clock
100/133 MHz
100/133 MHz
100/133 MHz
100/133 MHz
Asynchronous Memory Clock
yes
yes
yes
yes
FSB-Overclocking
up to 166 MHz
up to 180 MHz
up to 180 MHz
up to 180 MHz
max. # DIMM-Slots
3
4
4
4
max. Memory
2048 MB
2048 MB
4096 MB
3072 MB
SDRAM Support
no
yes
yes
yes
DDR SDRAM Support
yes
no
yes
yes
VC SDRAM Support
no
no
yes
yes
RIMM Support (Rambus)
no
no
no
no
Dual RIMM Support (Rambus)
no
no
no
no
Ultra-DMA/33/66/100
yes/yes/yes
yes/yes/yes
yes/yes/yes
yes/yes/yes
Ultra-DMA/133
no
no
no
yes
Max. # USB
4
6
6
6
USB 2.0
no
yes
no
yes
Max.# PCI Slots
6
6
5
5
Integrated Graphics
no
no
no
no
AGP 1x / 2x / 4x
yes / yes / yes
yes / yes / yes
yes / yes / yes
yes / yes / yes
ACPI Features
yes
yes
yes
yes
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