System Board Components
Figure 3 shows the system board and the location of all its sockets and connectors.
Figure 3. System Board Components
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
Voltage regulator module (VRM) connector
7
Microphone connector
8
Line-out connector
9
Line-in connector
10
Keyboard and mouse connectors
11
Universal Serial Bus (USB) connectors
12
Secondary processor connector
13
Telephony connector
14
Network interface controller (NIC) connector
15
Primary processor connector
16
Accelerated graphics port (AGP) connector
17
Peripheral Component Interconnect (PCI) expansion card connectors (5)
18
3.3-volt (V) power connector
19
Power connector
20
Diskette-drive interface connector
21
Rambus in-line memory module (RIMM) sockets (2)
22
Suspend-to-random-access memory (RAM) light-emitting diode (LED)
23
Primary enhanced integrated drive electronics (EIDE) interface connector
24
Secondary EIDE interface connector
25
Control panel connector
26
External speaker connector