Siemens PC 670 用户手册

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Maintaining and Extending the Computing Unit
Release 04/02
4-6
Panel PC 670 Computing Unit, Equipment Manual
4.1.4
Motherboard
The motherboard is the heart of the computing unit. Here, data are processed and
stored, and interfaces and device I/Os are controlled.
X44
X400
X402
X401
S1
X1
X20
X19
X700
X29
X28
X128
X71
X70
X10
X500
X600
X40
X1
1
X9
X6
X13
X26
X31
X5
X4
X3
X25
X420
X24
X14
X23
T1
T2
T3
X41
Figure 4-3
Motherboard