Compaq 850 manual Power Button/LED Header P5, CD ROM Audio Header P7, AOL/SOS Header P12

Chapter 6 Power and Signal Distribution

Power Button/LED Header P5

1 HD LED anode

3 HD LED cathode

4 PWR LED anode

5 PWR LED cathode

6 PWR button (gnd)

7 PWR button (+)

8 Reserved

9 GND

10 SCSI HD LED [1]

11 SCSI HD LED [1]

CD ROM Audio Header P7

1 Audio (Left Channel)

2 Ground

3 Ground

4 Audio (right channel)

AOL/SOS Header P12

BIOS Fail 1

Not Connected 3

Not Connected 5

Ground 7

2 Not Connected

4Not Connected

6Thermal

NOTE:

No polarity consideration required for connection to speaker header P6 or SCSI HD LED header P29. [1] Separate cable connection for these two pins (equivalent of header P29 on other systems).

Figure 6–5. Header Pinouts

6-8Compaq Deskpro EXS and Workstation 300 Personal Computers

Featuring the Intel Pentium 4 Processor

First Edition - December 2000