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7-12 361834-001 Technical Reference Guide

Power and Signal Distribution

7.3.2 Low Voltage Production/Distribution

Auxiliary voltages less than 5 volts and all voltages less than 3.3 volts are produced through

regulator circuitry (Figure 7-6) on the system board.

Figure 7-6. Low Voltage Supply and Distribution Diagram

The VccP regulator produces the VccP (processor core) voltage according to the strapping of

signals VID0..5 by the processor and may range from 0.8375 to 1.6 VDC.

Regulator

Circuit

Processor

Chipset

VccP

1.5 V

Regulator

DIMMs

Aux

DDR

5 Aux

PWR

3.3 Aux

2.5 VDC

1.5 VDC

3.3 VDC

VID 0-5

5 VDC

12 VDC

1.2 VDC

Processor

DIMMs

1.5 VDC

Power Supply

Processor

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General

Processor Speed	Up to 3.8 GHz
Graphics	Integrated Intel Graphics Media Accelerator 900
Audio	Integrated AC'97 audio
Form Factor	Small Form Factor (SFF)
Power Supply	240W
Processor	Intel Pentium 4
Chipset	Intel 915G Express
Memory	Up to 4 GB DDR
Storage	40 GB to 160 GB HDD
Optical Drive	CD-ROM or DVD-ROM
Network	Integrated Intel Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	USB 2.0, serial, parallel, VGA
Operating System	Windows XP Professional