2-14 www.hp.com Technical Reference Guide
System Overview
2.3.3 Board Layouts
Figures 2-10 through 2-12 show the system and expansion board layouts. Figure 2-9 shows the
layout for the USDT system board.
Figure 2-10. USDT System Board
Item Description Item Description
1 Serial port option header 11 Power button, power LED, HD LED, temp
sensor header
2 Hood sense header 12 Chassis speaker connector
3 Parallel port option header 13 Front panel audio connector
4 CMOS clear button 14 Front panel USB port connector
5 SATA #0 (blue), 1 (white), 2 (white)
connectors
15 Chassis fan connector
6 Password clear jumper/header 16 Processor fan connctor
7 PCI Express x16 slot 17 DIMM sockets (3)
8 PCI 2.3 slot 18 IDE (PATA) connector
9 Power supply (VccP) connector 19 Battery
10 Processor socket 20 Power supply connector
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