vi Contents
5 1/4-Inch Device Cage Removal..............................................................................5-13
Power Supply Removal............................................................................................. 5-14
System Board Removal............................................................................................. 5-15
Illustrated Parts Breakdown...................................................................................... 5-17
Section 6 Minitower Repair
Disassembly and Reassembly ..........................................................................................6-1
Top Cover Removal ...................................................................................................6-3
Bottom Cover Removal..............................................................................................6-4
Expansion Board Removal..........................................................................................6-5
Front Panel Assembly Removal...................................................................................6-6
Power Button Cover Removal ....................................................................................6-7
Blank Panel and Metal Cover Plate Removal...............................................................6-7
Speaker Assembly Removal........................................................................................6-9
SIMM Removal........................................................................................................6-10
5 1/4-Inch Device Cage Removal..............................................................................6-11
5 1/4-Inch Device Removal.......................................................................................6-12
3 1/2-inch Hard Disk Drive Removal ........................................................................ 6-13
3 1/2-inch Diskette Drive Removal ........................................................................... 6-15
Power Supply Removal............................................................................................. 6-17
ISA/PCI-BUS Backboard Removal...........................................................................6-19
System Board Removal............................................................................................. 6-20
Illustrated Parts Breakdown...................................................................................... 6-22
Appendix A Connector Pin Assignments
Serial Interface Connectors............................................................................................ A-3
Parallel Interface Connector........................................................................................... A-4
VGA Interface Connector Pin Assignments.................................................................... A-5
Speaker Connector Pin Assignments.............................................................................. A-5
Power Supply Connectors.............................................................................................. A-6
Keyboard and Mouse Connectors .................................................................................. A-6
Power Lamp Connector................................................................................................. A-6
Hard Disk Drive Busy Lamp Connector......................................................................... A-7
Fan Connector............................................................................................................... A-7
Reset Button Connector ................................................................................................ A-7
Diskette Drive Interface Pin Assignments....................................................................... A-8
IDE Interface Connectors.............................................................................................. A-9
SIMM Sockets ............................................................................................................ A-10
ISA/PCI-Bus Backboard Connector Pin Assignments .................................................. A-11
ISA Expansion Bus Connector Pin Assignments .......................................................... A-13
PCI Expansion Bus Connector Pin Assignments .......................................................... A-15
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