Table of Contents
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System Board Connector Functions
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
NOTE: The white corner of the jumper block
represents pin 1.
118
IBM Desktop System HMM
J5
Microphone
connector
J19
CPU fan
connector
J22
System fan
connector
Microprocessor
connector
DIMM socket
DIMM socket
J12
Main power
connector
J29
HDD/CD-ROM
power connector
J14
Solenoid
connector
J7
Audio input
connector
J3
COM1 port
connector
J21
Touch panel
power connector
J8
Touch panel
signal connector
J11
USB/Printer port
connector
J10
IDE connector
J33
CMOS setup
PCI expansion
slot
J16
POV card
connector
PCI expansion
slot
J2
TMDS connector
J20
TMDS signal
J4
Internal speaker
connector
Microphone
CPU fan
System fan
CPU
DIMM
DIMM
Power brick
HDD, CD-
ROM, DVD-
ROM, or
CD-RW
Solenoid
CD-ROM,
DVD-ROM
or CD-RW
COM1
devices
Touch panel
Touch panel
USB device
and printer
IDE devices
POV card
TFT LCD
Speaker
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