Operating instructions

Detailed descriptions
17.1 Motherboard
SIMATIC Panel PC 677B
196 Operating Instructions, 05/2007, A5E01035609-01
17.1.6 Internal interfaces
Pin assignment of the internal ports
Interface Positio
n
Connecto
r
Description
Memory Internal X19, X20 2 DIMM sockets, 64-bit
Processor Internal X1 Socket for FCPGA processor
Bus expansion Internal X10 Socket for bus expansion, assigned PCI bus signals
Power supply Internal X13 20-pin connector plug for power supply
Hard disk drive Serial
ATA
Internal X50, X51 Serial ATA, max. 2 drives operable
Optical drive Serial ATA Internal X52 Serial ATA, max. 1 drive operable
Connection for PS serial
ATA
Internal X25, X26,
X27,
X602
Voltage supply for serial ATA
Optical drive Parallel
ATA
Internal X3 44-pin, 2 mm male connector
Connection for PS fan Internal X129 Voltage supply for CPU fan, 3-pin male connector
Connection for
equipment fan
Internal X128 Voltage supply for equipment fan, 3-pin male
connector
Backup battery Internal X24 Voltage supply for backup battery, 2-pin male
connector
Tap for backup battery Internal X240,
X2400
Voltage tap ( = 3V) of the backup battery,
2-pin, male connector
USB interface Internal X43 USB channel 6 and 7
Connection for optical drive, X3
Pin no. Short description Meaning Input / Output
1 Reserved Reserved -
2 Reserved Reserved -
3 Reserved Reserved -
4 GND Ground -
5 Reset Reset signal Input / Output
6 D8 Data signal D8 Input / Output
7 D7 Data signal D7 Input / Output
8 D9 Data signal D9 Input / Output
9 D6 Data signal D6 Input / Output
10 D10 Data signal D10 Input / Output
11 D5 Data signal D5 Input / Output
12 D11 Data signal D11 Input / Output
13 D4 Data signal D4 Input / Output