Hardware description
A.2 Internal interfaces
SIMATIC IPC847E
Operating Instructions, 10/2018, A5E43920357-AA
173
A.2
Internal interfaces
A.2.1
Pin assignment of the internal interfaces
Interface
Position
Description
Memory
Internal
DIMM socket, 64-/ 72-bit
Bus expansion
Internal
Bus expansion socket, used by PCIe bus and
special signals
Power supply
Internal
4-pin 12 V ATX power connector (CPU-VRM
supply)
BIOS Recovery
1
Internal
Replace jumper on pins 3-4 to run BIOS Recov-
ery
Unlock ME
1
Internal
Replace jumper on pins 1-2 to change locked ME
Fan monitoring
Internal
Monitoring of power supply fan, 8-pin, pin header
SATA
Internal, e.g.,
hard disk
7-pin SATA connector
Connection for PS serial ATA
Internal
Voltage supply for serial ATA
Connection for device fan
Internal
Power supply, device fan monitoring (controlled),
4-pin, pin header
Connection of SCSI activity
LED
Internal
SCSI activity connector
Type JST B2B-PH-SM3-TB
Input for SCSI drive activity display
Internal USB3/USB2 interface Internal
For connecting the USB cable to the front panel
of the computer
Internal USB2 interface
Internal
Connection for USB interfaces on slot cover
Port 80 connector
Internal
Connection for Port 80 / mode switch
COM2
Internal
Connection for COM2 on slot cover (see external
interfaces)
Reset
Type JST B2B-PH-SM3-TB
Power button
Type JST B2B-PH-SM3-TB
PEG interface (PCIe x16 sock-
et)
Transfer interface between motherboard and bus
board
PCIe+special signal interface
(PCIe x16 socket)
1
A special USB stick is required (not included in scope of delivery; contact your local SIEMENS
representative).