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7-12 361834-002 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
Chipset	Intel 915G
Memory	Up to 4 GB DDR2 SDRAM
Operating System	Windows XP Professional
Form Factor	Desktop
Processor	Intel Pentium 4
Storage	40 GB to 160 GB SATA
Graphics	ATI Radeon X300 SE
Optical Drive	DVD-ROM
Audio	Integrated audio
Network	Integrated Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	1 Parallel, 1 Serial, 2 PS/2, 1 VGA