System Board Layout
21
22
1
2
3
4
5
6
1 Mouse port
2 Keyboard port
3 Parallel port
4 Video port
5 RJ-45 connector
6 USB connector
7 LAN controller
8 PCI slots
9 ISA slots
10
Flash ROM BIOS
11
SCSI chipsets
1-4
18
19
7
8
9
12
Wide SCSI connectors
13
CPU board connectors
14
Narrow SCSI connector
15
Diskette drive connector
16
PCI chipset
17
Video controller
18
Battery
19
System Chipset FDC37C935
20
IDE connector
21
Video DRAM
22
Video DRAM upgrade sockets
16
17
15
14
10
Altos 9100B System Guide
13
12
12
11