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SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
The following connectors are located on the IPC’s motherboard:
Designation
Name
Meaning
X1
Slotbus
ISA/PCI connector connecting motherboard and bus module
X3
Secondary IDE
Secondary IDE port Standard ribbon cable
X4
Primary IDE
Primary IDE port Standard ribbon cable
X6
Keyboard port
MINI DIN keyboard connector
X7
Mouse port
MINI DIN PS/2 mouse connector
X9
LPT
Parallel port LPT1/printer port (Centronics, 25-pin )
X10
COM1
Serial port 1 (25-pin)
X11
COM2
Serial port 2 (Standard 9-pin)
X12
CPU
Processor with cooling unit (Pentium socket 7)
X15
Display module
Port for display module cable
X17
Socket
Socket for TTY sender module
X18
Socket
Socket for TTY receiver module
X19
RAM bank 1, 2 low
Socket for RAM
X20
RAM bank 1, 2 high
Socket for RAM
X21
RAM bank 3, 4 low
Socket for RAM
X22
RAM bank 3, 4 high
Socket for RAM
X23
Second level cache
Socket for cache
X24
Battery
Connector for lithium battery
X26
Fan
Fan port +12V
X30
Fan
Fan port +12V
X34
Processor
Pentium 133 jumper open
X50
Floppy disk
Diskette connector
X80
Power
6-pin power supply connection of the motherboard
X90
Power
6-pin power supply connection of the motherboard
X402
VGA
Standard VGA (15-pin)
X800
MPI
MPI port
X801
CPU type
Coding for CPU types
S1
Switch 1
Display type
S2
Switch 2
CPU clock, FlashEPROM, TTY port
Connectors on the
Motherboard
Motherboard