![](/images/backgrounds/290449/hp-compaq-dx7300-microtower-pc-service-and-maintain-14351732x1.png)
System Overview
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| o i uy t r e w q |
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| PCI Expansion Board [1] |
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| System Board |
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Item | Description |
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| Item | Description |
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1 | PCI 2.3 slots | 14 | SATA #3 connector | ||||||||||
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2 | Battery | 15 | CMOS clear switch | ||||||||||
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3 | PCI Express x1 slot | 16 | SATA #0 connector | ||||||||||
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4 | PCI Express x16 graphics | 17 | Hood lock header |
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5 | Chassis fan header | 18 | Hood sense header | ||||||||||
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6 | Power supply (VccP) connector | 19 | Password clear jumper header | ||||||||||
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7 | Serial port B header | 20 | Power LED/button, HD LED header | ||||||||||
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8 | Processor socket | 21 | SATA #1 connector | ||||||||||
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9 | Processor fan connector | 22 | Front panel USB port connector | ||||||||||
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10 | DIMM sockets (4) | 23 | Internal speaker connector | ||||||||||
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11 | Diskette drive connector | 24 | PCI expansion board connector [2] | ||||||||||
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12 | Power supply connector | 25 | Front panel audio connector | ||||||||||
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13 | SATA #2 connector |
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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
| www.hp.com | Technical Reference Guide |