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PG 720 Expansions
Motherboard
The motherboard is the heart of the PG 720. Here, data are processed
and stored, and interfaces and device I/Os controlled and managed.
1
3
4
2
Figure 5-4 Motherboard
Components on
The following components are located on the motherboard of the
the Motherboard
PG 720:
Table 5-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
5-6
32
33
21
19
22
Components of the Motherboard
Serial
Number
PC card slots
S5 submodule port
Memory-card port
Clock-battery connector
Pentium II CPU on base with cooling unit
System memory, 2 slots
External VGA port
COM 2 serial port
TTY jumpers (X30)
COM 1/TTY serial port
TTY receiver
TTY transmitter
MPI/DP port
LPT 1 parallel port
PS/2 mouse port (external)
Connector for display
Type A USB connector
Port for keyboard and trackball
Floppy disk drive connection
Power supply connection (from DC converter)
IDE for hard disk drive
IDE for CD-ROM drive
IDE for LS 120 drive
CD-ROM sound connection
Connector for CPU fan
6
25
26
16
31
23
11 12
28 30 29
20
9
24
Functions
PG 720 PII Programming Device
C79000-G7076-C756-02
27
7/8
5
10/14
15
17
18
13
34
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