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7-2
Specifications
Table 7-2
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
Unused
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 Drive
IRQ 15
CD-ROM
Table 7-3
System DMA
Hardware DMA
System Function
DMA 0
Unused
DMA 1
Unused
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
Содержание Deskpro 4000N - Desktop PC
Страница 1: ...MAINTENANCE SERVICE GUIDE Compaq Deskpro 4000N and 4000S Network Personal Computers...
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Страница 4: ...CPS...
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Страница 46: ...3 2 Illustrated Parts Catalog 3 1 System Unit Figure 3 2 System Unit Spares...
Страница 48: ...3 4 Illustrated Parts Catalog 3 2 Parts Kits Figure 3 3 Part Kits Components...
Страница 50: ...3 6 Illustrated Parts Catalog 3 3 Miscellaneous Parts Figure 3 4 Miscellaneous Parts...
Страница 52: ...3 8 Illustrated Parts Catalog 3 4 Mass Storage Devices Figure 3 5 Mass Storage Devices...
Страница 54: ...3 10 Illustrated Parts Catalog 3 5 Cables Figure 3 6 Cables...
Страница 58: ...3 14 Illustrated Parts Catalog 3 7 Keyboards Figure 3 8 Enhanced Keyboard...
Страница 60: ...3 16 Illustrated Parts Catalog 3 8 Monitors Figure 3 9 Compaq Monitors...
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Страница 124: ...6 10 Connector Jumper and Switch Information...
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