
29
2 Summary of the HP/Phoenix BIOS
Overview of Address Space
PCI Interrupt Request Lines
PCI devices generate interrupt requests using up to four PCI interrupt
request lines (INTA#, INTB#, INTC#, and INTD#).
When a PCI device makes an interrupt request, the request is re-directed to
the system interrupt controller. The interrupt request will be re-directed to
one of the IRQ lines made available for PCI devices.
All PCI devices with interrupt transfer support will use and share INTA#.
A multiple-function PCI device may support several INT lines. These devices
will require more than one system interrupt request line.
3.
If there is a need to use another IRQ for the sound board, the following
Interrupt Vectors can be used: IRQ2, IRQ7 and IRQ10.
4.
IRQ5 and IRQ7 can be made available by disabling the parallel ports in the
SETUP program.
Содержание Vectra 510
Страница 36: ...30 2 Summary of the HP Phoenix BIOS Overview of Address Space ...
Страница 39: ...33 3 Desktop Management Interface DMI Information Structure Overview of the DMI Information Structure ...
Страница 46: ...40 3 Desktop Management Interface Accessing BIOS DMI Information ...
Страница 54: ...48 4 Power On Self Tests and Error Messages Power On Self Test POST ...