vii
Pin Configuration .................................................................................2-78
Pin Descriptions ...................................................................................2-79
YMF715B-S ........................................................................................................2-81
Features...............................................................................................2-81
Pin Diagram .........................................................................................2-82
Pin Descriptions ...................................................................................2-83
Basic System Settings ......................................................................................... 3-3
Startup Configuration ........................................................................................... 3-4
Onboard Devices Configuration ........................................................................... 3-6
System Security................................................................................................... 3-8
Power Management Settings ............................................................................... 3-9
Load Default Settings..........................................................................................3-11
Disassembly and Unit Replacement
General Information ............................................................................................. 4-1
Before You Begin .................................................................................. 4-1
Connector Types................................................................................... 4-3
Disassembly Sequence ......................................................................... 4-4
Installing Memory................................................................................................. 4-6
Removing the Modem Board ............................................................................... 4-8
Removing the Hard Disk Drive............................................................................. 4-9
Removing the Keyboard .....................................................................................4-10
Disassembling the Inside Frame Assembly .........................................................4-12
Removing the Heat Sink Assembly ......................................................4-12
Removing the Display ..........................................................................4-13
Removing the Internal Drive.................................................................4-14
Replacing the CPU...............................................................................4-15
Detaching the Top Cover .....................................................................4-16
Removing the Mainboard .....................................................................4-17
Disassembling the Mainboard ..............................................................4-19
Disassembling the Top Cover ..............................................................4-20
Disassembling the Display ..................................................................................4-22
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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