System Board 1-5
1 PS/2 mouse port
2 PS/2 keyboard port
3 USB connectors
4Serial port 2
5 Parallel port
6 Serial port 1
7 BIOS
8 ISA slots
9 PCI slots
10 AGP slot
11 Battery
12 Intel 82371EB
13 IDE1 connector
14 IDE2 connector
15 FDD connector
16 Intel 440BX
17 DIMM sockets
18 Voltage regulators
19 CPU slot
20 Power connector
Figure 1-2 System Board Layout without Network Connector
1
2345
6
78910
11 12
13
14
16
17
18
19
20
15