Detailed descriptions
16.1 Motherboard
SIMATIC Box PC 627
16-14 Operating Instructions, Release 05/2006, A5E00362052-03
Pin Assignment of the USB 2.0 interface, X42
Pin–No. Short description Meaning Input/Output
1 VCC + 5 V, fused Output
2 USB5 USB5_M Input/Output
3 USB5 USB5_P Input/Output
4 GND Ground -
S1 S Shield -
S2 S1 Shield -
Note
For detailed information on the pin assignments of the interfaces, please contact Customer
Support or the Repair Center.
16.1.6 Internal interfaces
Pin assignment of the internal ports
Interface Position Connector 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,
X602
Power supply for serial ATA
Optical drive Parallel
ATA
Internal X3 44-pin, 2mm male connector
Connection for PS fan Internal X129 Power supply for CPU fan, 3-pin male connector
Connection for
equipment fan
Internal X128 Power supply for equipment fan, 3-pin male
connector
Backup battery Internal X24 Power supply for backup battery, 2-pin male
connector
Tap for backup battery Internal X240 Voltage tap ( = 3V) of the backup battery,
2-pin, male connector
USB interface Internal X43 USB channel 6 and 7
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