Technical Reference Guide
7.4SIGNAL DISTRIBUTION
Figure 7-5 shows general signal distribution between the main subassemblies of the system units.
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| Fan | CPU Fan |
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PCI NIC |
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| Serial |
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Card |
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| Conn. |
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PCI | Fan | Fan | TX Data, |
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| Power On/Off | |
Bus | PWR | PWR | RX Data | Power On | |||
PCI Slot | SYS | CPU | Serial |
| HD Activity | ||
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| FAN | FAN | Header |
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| Conn. | Conn. |
| Pwr Btn, Pwr/HD LED |
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| F_P Conn. |
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| JPW1 Conn. | 12.8 Vcpu |
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| JRW1 | 3/5/12 VDC, 5AUX |
| Power | |
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| PS On | |||
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| Conn. |
| Supply | ||
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| PWR_FAN |
| Fan CMD | Assembly | ||
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| Fan Sink |
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| Conn. |
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| IDE |
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| Pri. | Data, Cntl | IDE | 5, 12 VDC | |
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| IDE Conn. |
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| Hard Drive |
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System |
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| Sec. | IDE I/F | 5, 12 VDC | ||
Board |
| IDE Conn. |
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| CD1 | L/R Audio |
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| Conn. | Dskt. |
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| Diskette Drive |
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| FDD1 | Data, Cntl | 5, 12 VDC | ||
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| Conn. |
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| Mouse | Mouse |
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| Kybd. |
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| Conn. |
| Keyboard |
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| Spkr Conn. |
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| Spkr Audio | ||
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| Audio 1 | Headphones/ Spkr Audio | Front Panel | ||
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| Microphone In | ||||
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| Conn. | ||||
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| Audio/USB | ||||
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| PCI Slot Exp. | USB 4/5 | USB Data |
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| I/O Bd. | |
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Edge Connector | Conn. |
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NOTES:
Applies to both D315 and d325 models unless otherwise indicated. D315 models only.
d325 m odels only.
Figure 7-5. Signal Distribution Diagram
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003