Technical data

Hardware Information
6-27
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
6.7.3 Assignment of the Internal Ports on the Motherboard
Interface Position Connector Description
Memory Internal X19, X20 2 SO-DIMM socket, 64 bit
Processor Internal X12 Socket for MMC2 mobile processor
Bus expansion Internal X1 Socket for bus expansion, assigned with ISA and PCI
bus signals)
Power supply Internal X14 40-pin cable connector for DC signals
Floppy Internal X5 Two drives are possible (82078 compatible)
360 kB, 720 kB, 1.2 MB, 1.44 MB
3F0h – 3F7h, 370h – 377h, can be disabled
IRQ 6, edge-triggered
26-pin, socket for flex. cable (Notebook connection)
3.5” hard disk Internal X41 Up to two drives are possible
170h-177h, 1F0h-1F7h, can be disabled
IRQ 14, IRQ 15, edge-triggered
40-pin, 2.54 mm plug connector (3.5” HD, primary)
2.5” hard disk Internal X4 Up to two drives are possible
170h-177h, 1F0h-1F7h, can be disabled
IRQ 14, IRQ 15, edge-triggered
44-pin, 2 mm plug connector (2.5” HD, primary)
CD-ROM drive Internal X3 A maximum of one drive is possible
170h-177h, 1F0h-1F7h, can be disabled
IRQ 14, IRQ 15, edge-triggered
44-pin, 2 mm plug connector (CDROM, secondary slave
when LS 120 connected, otherwise secondary master)
LS120 Internal X31 A maximum of one drive is possible
170h-177h, 1F0h-1F7h, can be disabled
IRQ 14, IRQ 15, edge-triggered
1x41-pin (Hirose DF9-41), (LS120, secondary master
when drive connected), for use of flex. cable of PG740)
RS485 hybrid Internal X503/
X504
Connection for RS485 hybrid (physical interface for
MPI/DP port)
TTY sender Internal X17 Connection for TTY sender hybrid (physical interface)
TTY receiver Internal X18 Connection for TTY receiver hybrid (physical interface)
Power supply port
for 3.5” hard disk
Internal X25 Power supply connection for 3.5” hard disk,
4-pin, plug connector
Power supply con-
nection for CPU fan
Internal X28 Power supply for CPU fan
2-pin, plug connector
Power supply con-
nection for device
fan
Internal X29 Power supply for device fan
2-pin, plug connector
Backup battery Internal X24 Connection for backup battery
2-pin, plug connector