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MAINTENANCE & SERVICE GUIDE
PROSIGNIA NOTEBOOK 190
INDEX PAGE PRODUCT DESCRIPTION LEGAL NOTICE HOW TO USE THIS GUIDE
REMOVAL & REPLACEMENT ILLUSTRATED PARTS CATALOG TROUBLESHOOTING SPECIFICATIONS
Troubleshooting
System DMA
>Physical &
Environmental
>Display
>Hard Drives
>CD/DVD
Drives
>Diskette
Drive
>Battery Pack
>Modem
>System
Memory
>System
Interrupts
>System DMA
>System I/O
>Pin
Assignments
Hardware DMA System Function
0
Available for audio
1
Entertainment Audio (Default;
Alternate = DMA0, DMA3, None)
2
Diskette Drive
3
ECP Parallel Port LPT1 (Default;
Alternate = DMA 0, none)
4
DMA Controller Cascading (Not
available)
5
Available for PC Card
6
Not Assigned
7
Not Assigned
Note:
PC Card controller can use DMA 1, 2, or 5.