Dell Precision 220 Service Manual page 15

1 CD-ROM drive audio interface connector
2 Serial port 1 connector
3 Parallel port connector
4 Serial port 2 connector
5 Fan connector
6 VRM connector
7 Microphone connector
8 Line-out connector
9 Line-in connector
10 Keyboard and mouse connectors
11 USB connectors
12 Secondary processor (PROC_1) connector
13 Telephony connector
14 NIC connector
15 Primary processor (PROC_0) connector
16 AGP connector
17 PCI expansion card connectors (5)
18 3.3-V power connector
19 Power connector
20 Diskette-drive interface connector
21 RIMM sockets (2)
22 Suspend-to-RAM LED
23 Primary EIDE interface connector
24 Secondary EIDE interface connector
25 Control panel connector
26 External speaker connector (Not Used)
27 Remote Wakeup power connector
28 Standby power LED
29 Password jumper
30 Auxiliary hard-disk drive access indicator connector
31 RTCRST jumper
32 Battery socket