Asus P4B Intel 845 S.478 Motherboard. Asus raises the bar of PC industry and deliver a full-value, high-performance solution for today's most demanding tasks.

Model Number: P4B

Specifications:

Product Type & Packaging: OEM - Motherboard Only! No I/O Shield (Backplate)

Chipset & FSB
Intel 82845 Memory Controller Hub (MCH)
Intel 82801 I/O Controller Hub 2 (ICH2)
400 MHz
Memory supported
3 x 168-pin DIMM sockets
Max. 3GB PC133/PC100 unbuffered ECC/non-ECC SDRAM DIMMS
Bus slots
1x AGP 4X
6x PCI
1x CNR
On-board I/O
1x PS/2 keyboard
1x PS/2mouse 
2x USB
2x Serial
1x Parallel
Game/Mic-in/Line-in/Line-out
IDE ports
2 x UltraDMA/100/66/33
On-board audio
AC '97 Compliant 3D Audio CODEC
S/PDIF-out interface

CPU Support List:
Celeron 1.7 GHz(400 MHz FSB)
Celeron 1.8 GHz(400 MHz FSB)
Celeron 2.0 GHz(400 MHz FSB)
Celeron 2.1 GHz(400 MHz FSB)
Celeron 2.2 GHz(400 MHz FSB)
Celeron 2.3 GHz(400 MHz FSB)
Celeron 2.4 GHz(400 MHz FSB)
Celeron 2.5 GHz(400 MHz FSB)
Celeron 2.6 GHz(400 MHz FSB)
Celeron 2.7 GHz(400 MHz FSB)
Celeron 2.8 GHz(400 MHz FSB)
P4-1.4 GHz(Socket478)(400 MHz FSB)
P4-1.5 GHz(Socket478)(400 MHz FSB)
P4-1.6A GHz(Socket478)(400 MHz FSB)
P4-1.6 GHz(Socket478)(400 MHz FSB)
P4-1.7 GHz(Socket478)(400 MHz FSB)
P4-1.8A GHz(Socket478)(400 MHz FSB)
P4-1.8 GHz(Socket478)(400 MHz FSB)
P4-1.9 GHz(Socket478)(400 MHz FSB)
P4-2A GHz(Socket478)(400 MHz FSB)
P4-2 GHz(Socket478)(400 MHz FSB)
P4-2.20 GHz(400 MHz FSB)
P4-2.40 GHz(400 MHz FSB)
P4-2.50 GHz(400 MHz FSB)
P4-2.60 GHz(400 MHz FSB)