System Board Locations; Opening The Cover - Lenovo THINKCENTRE 6393 Hardware Maintenance Manual

7
System board

System board locations

1
Microprocessor and heat sink
2
Modem daughter card (MDC) connector
3
Battery
4
Thermal sense cable connector
5
Memory connectors (2)
6
Serial (COM) connector
7
Front panel connector
8
Front USB connector
9
SATA IDE connectors (2)

Opening the cover

Important
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Hardware Maintenance Manual
10
ExpressCard USB connector
11
ExpressCard PCIe connector
12
Clear CMOS/Recovery jumper
13
Media card reader connector
14
Internal speaker connector
15
Front audio connector
16
Rear USB connector
17
Fan connector
18
Internal power distribution connector