Lenovo 4158 Personal Computer User Manual


 
1
Power cord connector
9
Audio line-out front speakers connector
2
IEEE 1394 connector
10
Microphone connector
3
Serial port
11
Audio line-out rear speakers connector
4
Ethernet connectors (2)
12
Audio line-out side speaker connector
5
Audio line-out subwoofer/center speakers
connector
13
USB connectors (8)
6
Serial port (some models)
14
Optical SPDIF (Sony Philips Digital Interconnect
Format) out connector
7
Audio line-in connector
15
Optical SPDIF in connector
8
Video connector (some models)
16
eSATA connector
Removing the cover
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait
three to ve minutes to let the computer cool before opening the computer cover.
To remove the computer cover:
1. Remove any media from the drives and shut down your operating system. Turn off all attached devices.
Turn off the computer.
2. Unplug all power cords from electrical outlets.
110 ThinkStation Hardware Maintenance Manual