Siemens PC 670 用户手册
Maintaining and Extending the Computing Unit
Release 04/02
4-7
Panel PC 670 Computing Unit, Equipment Manual
Components on the motherboard
The following components are located on the computing unit:
Number
Functions
X1
Processor module with heat sink
X3
IDE connector for CD-ROM
X4
IDE connector for
2.5” hard disk
X5
Floppy disk cable connector
X6
PS/2 mouse connector
X6
PS/2 keyboard connector
X9
Serial port COM 1/TTY
X9
Parallel port LPT 1
X11
Serial interface COM 2
X11
Socket for VGA monitor
X13
Connection for 105 W power supply
X14
Connection for 85 W power supply
X19, X20
System memory, 2 slots
X23
Not connected
X24
Connector for clock battery
X26
Connector, alternative COM2
X28
Not connected
X29
Plug for CPU fan
X31
IDE connector for LS 120
X40
USB bus connector
X41
IDE connector for
3.5” hard disk
X44
Plug for front interfaces
X70, X71
TTY sender/receiver
X128
Connector for unit fan
X400
Connector for LVDS display (3.3 V/5 V)
X401
Not connected
X402
Not connected
X420
Connector for 5 V CMOS display
X500
RJ45 socket for Ethernet LAN
X600
MPI/DP port
X700
PC card slot
S1
Momentary-contact switch for hardware reset
T1
Temperature sensor (in processor)
T2
Temperature sensor
T3
Temperature sensor