Maintenance & Service Guide
Presario 7900 Series Personal Computers
Models: 7922, 7930, 7935, 7940, 7947, 7950, 7970,
7973, 7985
Presario 7900 Models with Athlon System
Board
Compaq Presario 7900 Series System
Board: External Connectors |
|
Function |
Description |
Designator |
1 |
Diskette Drive |
34-Pin Header |
J5 |
2 |
Primary IDE Drive |
40-Pin header, Key
20 |
J6 |
3 |
Secondary IDE Drive |
40-Pin header, Key
20 |
J7 |
4 |
Replacement Battery |
Battery Holder
(CR2032 - battery type) |
B1 |
Not
numbered |
CMOS Clear |
3-Pin Header |
J3 |
5 |
Button/Light Board |
7-Pin Header |
J1 |
6 |
Front I/O connector |
30-pin connector |
J4 |
7 |
PCI Slots |
PCI Slot 1-5 |
J16,
J17, J18,J19, J20 |
12 |
AGP Slot |
AGP Slot |
J12 |
13 |
System Fan |
Header |
J11 |
14 |
Processor |
Processor Slot |
J10 |
15 |
CPU Fan |
Header |
J9 |
16 |
Power Supply |
20-Pin ATX Power
Header |
J8 |
17-19 |
DIMM Sockets |
168-Pin DIMM |
S1,S2,S3 |
20 |
1394 Connector |
Connector |
J22 |
21 |
Parallel |
DSUB 25-Pin |
J25 |
22 |
Serial |
DSUB 9-Pin |
J25 |
23 |
Mouse |
Miniature 6-Pin |
1/2
J24 |
24 |
Keyboard |
Miniature 6-Pin |
1/2
J24 |
25 |
USB Port |
Dual USB Connector |
J23 |
Back to Jumpers
|