Prox-B421
Socket 478 Pentium 4 Motherboard w/Sound/3LAN
CPU Type Intel Pentium 4 CPU
CPU Voltage Auto detect
CPU Frequency 2.0~3.4GHz & up reserved
Chipset Intel 875P + 6300ESB + FWH
DRAM 4 x 184-pin DDR DIMM up to 4GB
Cache Built-in CPU
BIOS Phoenix-Award PnP BIOS, 4MB, with VGA BIOS
I/O Chipset LPC, Winbond W83627HF
IDE Interface 2 x EIDE (UDMA-33/66/100)
FDD Interface 1
Serial ATA Port 2 x S-ATA connector form HR4 x S-ATA connector silicom Image 3114
Serial Port 4 x serial, COM2 for RS232/422/485, COM3 & COM4 selectable for +5V or +12V
Parallel Port 1 x parallel (SPP/EPP/ECP)
Watchdog Built-in 6300ESB
CMOS Built-in 6300ESB
Keyboard Mini DIN connector
Mouse Mini DIN connector
Speaker Internal buzzer
IrDA 1 x IrDA (SIR)
VGA Support AGP 8X/4X
LAN LAN1: Intel 82547GI, 1Gb Ethernet
LAN2: Dual ports, Intel 82546EB 1Gb Ethernet,
support Wake-on-LAN with ATX power
Sound AC '97 Codec
USB 4 x USB 2.0
Bus Interface 1 AGP, 4 PCI, 1 EPCI, 2 PCI-X slots
Power Supply Support ATX power
Power Requirement +5V, +12V, and +3.3V
Hardware Monitor Voltage, CPU temp. & cooling fan
Green Function Controlled by hardware & software
Dimension 305mm x 244mm, 12" x 9.61"

VGA Sound SATA LAN
Prox-B421-P0605 1 1 6 3
Prox-B421-P0631 1 1 2 1
Prox-B421-P0632 1 1 6 1

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