HP dx7300 Technical Reference Manual page 32

System Overview
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PCI Expansion Board [1]
Item Description
1 PCI 2.3 slots
2 Battery
3 PCI Express x1 slot
4 PCI Express x16 graphics
5 Chassis fan header
6 Power supply (VccP) connector
7 Serial port B header
8 Processor socket
9 Processor fan connector
10 DIMM sockets (4)
1 1 Diskette drive connector
12 Power supply connector
13 SATA #2 connector
NOTES:
See CMT rear chassis illustration for externally accessible I/O connectors.
[1] Applicable to CMT chassis only.
[2] Not included on MT system boards.
Figure 2-12. MT and CMT System Board and CMT PCI Expansion Board
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System Board
Item Description
14 SATA #3 connector
15 CMOS clear switch
16 SATA #0 connector
17 Hood lock header
18 Hood sense header
19 Password clear jumper header
20 Power LED/button, HD LED header
21 SATA #1 connector
22 Front panel USB port connector
23 Internal speaker connector
24 PCI expansion board connector [2]
25 Front panel audio connector
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Technical Reference Guide