Power and Signal Distribution
TableSystem Board Component Designations
SW50 | Clear CMOS switch |
|
XMM1 | Memory slot (black) |
|
XMM2 | Memory slot (white) |
|
XMM3 | Memory slot (white) | SFF & CMT only |
XMM4 | Memory slot (white) | SFF & CMT only |
XU1 | Processor socket |
|
XB2 | Battery socket |
|
Figure
| Power Button/LED, HD LED |
|
| Power Button/LED, HD LED | ||||||||||
| Header P5 (USDT, SFF) |
|
| Header P5 (CMT) | ||||||||||
| HD LED + 1 |
|
|
|
| 2 PS LED + |
|
| HD LED Cathode 1 |
|
|
|
| 2 PS LED Cathode |
|
|
|
|
|
|
|
|
|
|
| ||||
| HD LED - 3 |
|
|
|
| 4 PS LED - |
|
| HD LED Anode 3 |
|
|
|
| 4 PS LED Anode |
| GND5 |
|
|
|
|
|
|
| GND5 |
|
|
|
| 6 Pwr Btn |
| Pwr Btn 7 |
|
|
|
| 8 GND |
|
| M Reset 7 |
|
|
|
| 8 GND |
| Chassis ID0 9 |
|
|
|
| 10 Chassis ID1 |
|
| +5 VDC 9 |
|
|
|
| 10 NC |
| GND 11 |
|
|
|
| 12 NC |
|
| NC 11 |
|
|
|
| 12 GND |
| Therm Diode A 13 |
|
|
|
| 14 Therm Diode C |
|
| GND 13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chassis ID2 15 |
|
|
|
| 16 +5 VDC |
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
| Chassis ID0 17 |
|
|
|
| 18 Chassis ID1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Front Panel Audio
Header P23
|
| Mic In Left (Tip) 1 |
|
|
|
|
| 2 | Analog GND |
|
Mic In Right (Sleeve) 3 |
|
|
|
|
| 4 | Front Audio Detect# |
| ||
|
| HP Out Right 5 |
|
|
|
|
| 6 Sense_1 Return |
| |
|
| Sense Send 7 |
|
|
|
|
|
|
|
|
|
| HP Out Left 9 |
|
|
|
|
| 10 Sense_2 Return |
| |
|
|
|
|
|
|
|
|
|
|
|
| Serial Port A |
|
|
| Serial Port B |
| ||||||||||||
| Header P54 |
|
|
| Header P52 |
| ||||||||||||
| UART1 DCD- 1 |
|
|
|
|
| 2 UART1 DSR- |
|
|
| UART2 DTR- 1 |
|
|
|
|
| 2 UART2 RX DATA |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
| |||||||||||||
| UART1 RX DATA 3 |
|
|
|
|
| 4 UART1 RTS- |
|
|
| UART2 CTS- 3 |
|
|
|
|
| 4 UART2 DSR- |
|
|
|
|
|
|
|
|
|
|
|
| UART2 TX DATA 5 |
|
|
|
|
| 6 UART2 RI- |
|
| UART1 TX DATA 5 |
|
|
|
|
| 6 UART1 CTS- |
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| GND 7 |
|
|
|
|
| 8 GND |
|
| UART1 DTR 7 |
|
|
|
|
| 8 UART1 RI- |
|
| |||||||||
|
|
|
|
|
|
|
|
|
|
| +5.0V 9 |
|
|
|
|
| 10 +3.3V aux |
|
| GND 9 |
|
|
|
|
| 10 Comm A Detect- |
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| UART2 RTS- 11 |
|
|
|
|
| 12 Comm B Detect |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
| UART2 DCD- 13 |
|
|
|
|
| 14 |
|
|
|
|
|
|
|
|
|
|
|
| +12V 15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hood Lock | Hood Sense | ||||
| Header P124 | Header P125 | ||||
Hood Lock 1 |
| 2 Coil Conn |
| 1 Hood SW Detect | ||
|
| |||||
|
|
| 4 +12V |
|
| |
| GND 5 |
|
| 2 GND | ||
|
| 6 Hood Unlock |
| |||
|
|
| 3 Hood Sensor | |||
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
NOTE:
No polarity consideration required for connection to speaker header P6.
NC = Not connected
Figure
| Technical Reference Guide | www.hp.com |