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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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HP Compaq dc7100 USDT Specifications

General

Memory	Up to 4 GB DDR2 SDRAM
Graphics	Intel Graphics Media Accelerator 900
Network	Integrated Broadcom NetXtreme Gigabit Ethernet
Expansion Slots	1 low-profile PCI
Operating System	Windows XP Professional
Processor	Intel Pentium 4
Chipset	Intel 915G
Storage	40 GB
Optical Drive	DVD-ROM
Audio	Integrated
Ports	USB 2.0, serial, parallel, PS/2, VGA, audio
Power Supply	External power adapter
Form Factor	Ultra-slim desktop