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Introduction
Identifying System Resources
Valid uses for memory addresses CC000-DFFFF
Upper memory blocks (UMBs).
PC Card memory windows.
System Input/Output Addresses (100-3FF)
170-177
Secondary hard disk drive controller (internal CD-ROM)
1F0-1F7
Internal hard disk
200-207
Joystick
220-22F
Crystal sound
376
Secondary hard disk drive controller (internal CD-ROM)
378-37F
LPT1 (printer port)
388-38B
Sound
3B0-3BB
VGA adapter
3C0-3DF
VGA adapter
3E0-3E1
PCMCIA controller
3F0-3F5
Floppy controller
3F6
Primary hard disk drive controller
3F7
Floppy controller
3F8-3FF
COM1 (serial port)
DMA Channels
0
Sound record
1
Sound playback
2
Floppy drive
3
LPT1 (ECP parallel port)
4
Cascade
5
Free
6
Free
7
Free
1-22
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