5-5
PG 720 P Programming Device
C79000-G7076-C721-02
The mother board is the heart of the PG 720. Here, data are processed and
stored, and interfaces and device I/Os controlled and managed.
1
2
3
4
6
7/8
10/14
13
15
16
17
18
19
20
21
9
27
5
11 12
25
26
28
22
23
24
Figure 5-3 Mother Board
The following components are located on the mother board of the PG 720:
Table 5-1
Components of the Mother Board
No.
Function
1
PCMCIA slots
2
S5 submodule port
3
Memory card port
4
Loudspeaker
5
CPU on base with cooling unit
6
System memory, slot 0, slot 1, slot 2, slot 3
7
External VGA connection
8
COM2 serial port
9
TTY jumpers (X30)
10
COM1/TTY serial port
11
TTY receiver
12
TTY transmitter
13
MPI port
14
LPT1 parallel port
15
PS/2 mouse connection
16
Battery connector
17
Contrast
18
Keyboard and trackball connection
19
Floppy disk drive connection
20
Power supply connection (from DC converter)
21
IDE Winchester connector and CD-ROM
22
Voltage transformer for CPU, installed
23
Jumper on base of transformer
24
Clock setting (switch S1)
25
Connector for processor ventilator
26
Connector for switch
27
Connector for display unit
28
Connector for display
Mother Board
Components on
the Mother Board
PG 720 Expansions