Pentium 4 Chipset Comparison Chart
Intel 850
Intel 845
VIA P4X266
North Bridge
i82850MCH
i82845MCH
VIA VT8753
Processor bus
400MHz
400MHz
400MHz
Processor interface
P4 Socket 423/478
P4 Socket478
P4 Socket 423/478
Memory type
RDRAM (3.2GB/s)
PC133 SDRAM (1.06GB/s)
PC133 SDRAM (1.06GB/s)
DDR266 (2.12GB/s)
Max. memory size
2GB
3GB
4GB
AGP 4x
Yes
Yes
Yes
Inter-Bridge bus
Hub Link
(266MB/sec)
Hub Link
(266MB/sec)
V-Link
(266MB/sec)
South Bridge
i82801BA
i82801BA
VIA VT8233(A/C)
Support PCI Slot
5 PCI
6 PCI
5 PCI
IDE Speed
ATA 33/66/100
ATA 33/66/100
ATA 33/66/100
AC'97
AC97 2.1
AC97 2.1
AC97 2.2
CNR/ACR support
CNR
CNR
ACR
10/100Mbit LAN
Intel Ethernet MAC 10/100
Intel Ethernet MAC 10/100
VIA or 3Com Ethernet MAC 10/100, HomePNA 1/10
USB ports
4+2
4+2
6