Compaq Deskpro 2000 Series of Personal Computers
8-3
Table 8-3
System Interrupts
Hardware IRQ
System Function
IRQ 0
Timer Interrupt (Not on ISA Bus)
IRQ 1
Keyboard (Not on ISA Bus)
IRQ 2
Interrupt Controller Cascade (Not on ISA Bus)
IRQ 3
Unused
IRQ 4
Serial Port (COM 1)
IRQ 5
Enhanced Business Audio (Default; Alternate = IRQ 7, IRQ 9, IRQ 10, None)
IRQ 6
Diskette Drive
IRQ 7
Parallel Port (LPT 1)
IRQ 8
Real-Time Clock (Not on ISA Bus)
IRQ 9
Unused
IRQ 10
Unused
IRQ 11
PCI Interrupt
IRQ 12
Mouse
IRQ 13
Coprocessor (Not on ISA Bus)
IRQ 14
IDE Interface (Hard Disk and Primary IDE Drive)
IRQ 15
CD-ROM (Secondary IDE/Drive)
Table 8-4
System DMA
Hardware DMA
System Function
DMA 0
Unused
DMA 1
Business Audio (Default; Alternate = DMA 0, DMA 3, None)
DMA 2
Diskette Drive
DMA 3
ECP Parallel Port LPT1 (Default; Alternate = DMA 0)
DMA 4
DMA Controller Cascading (Not on ISA Bus)
DMA 5
Unused
DMA 6
Unused
DMA 7
Unused
Summary of Contents for 244100-005 - Deskpro 2000 - 16 MB RAM
Page 2: ...278041 001 278785 002 ...
Page 4: ...CPS ...
Page 67: ...3 2 Illustrated Parts Catalog 3 1 System Unit Figure 3 2 System Unit Desktop ...
Page 69: ...3 4 Illustrated Parts Catalog Figure 3 3 System Unit Minitower ...
Page 71: ...3 6 Illustrated Parts Catalog 3 2 Mass Storage Devices Figure 3 4 Mass Storage Devices ...
Page 73: ...3 8 Illustrated Parts Catalog 3 3 Cables Figure 3 5 Cables ...
Page 75: ...3 10 Illustrated Parts Catalog 3 4 Standard and Optional Boards Figure 3 6 Optional Boards ...
Page 81: ...3 16 Illustrated Parts Catalog 3 6 Monitors Figure 3 9 Monitors ...