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The P4X4-ALH Mainboard
Page 6
1.2.1. The P4X4-ALH Mainboard
The P4X4-ALH mainboard is a Pentium™ 4 DDR platform. Onboard it pro-
vides three DDR DIMM slots (support up to DDR333), six USB2.0 ports, six PCI
slots and one 1.5V 4X/8X AGP slot. There are also two fan connectors (for ad-
ditional thermal protection) and three power supply connectors. Additionally, it
comes with Onboard Audio (AC’97 6-channel), Onboard LAN [VIA VT6103
(PHY)] and WOL (Wake-On-LAN) connector that enables it to be “woken up”
from a soft-off power state when it receives a signal from the LAN. Other on-
board connectors include CD-IN, AUX-IN and Front Audio connectors etc.
1.2.2. Mainboard Dimensions
Width 305 mm
Length 230 mm
1.2.3. Environmental Limitations
Operating Temperature: 10°C to 40°C (50°F to 104°F)
Required Airflow: 50 linear feet per minute across the CPU
Storage Temperature: -40°C to 70°C (-40°F to 158°F)
Humidity: 0 to 90% non-condensing
Altitude: 0 to 10 000 feet
Introduction
1.2. Overview
1.3. Features and Specifications
Processor
The P4X4-ALH mainboard supports Intel
®
Pentium™ 4 Socket 478 CPUs.
Chipsets
Northbridge Southbridge I/O Chipset
VIA P4X400 VIA VT8235 (CD) Winbond W83697HF
PC 99 ATX External Connector
CN1: K/B
CN2: M/S
CN6: USB1
CN7: USB2
CN3: COM1
CN4: COM2
CN5: LPT
CN18: GAME
SPK-OUT / FRONT SPK-OUT
LINE-IN
MIC-IN
CN35: LAN