Bus Resource Utilisation; Isa Dma Channels; Isa Interrupts; Pci Interrupts - Mitsubishi Electric PH440 User Manual

P H 4 4 0 N L X M o t h e r b o a r d U s e r G u i d e

BUS RESOURCE UTILISATION

ISA DMA Channels

DMA
0
1
2
3
4
5
6
7
Shaded areas indicate DMA channels not normally available on the ISA bus

ISA Interrupts

IRQ
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
The last column indicates which ISA interrupts PCI devices can be routed to.

PCI Interrupts

Channel
INTA#
INTB#
MITSUBISHI ELECTRIC MOTHERBOARD DIVISION
Data Width Usual Assignment
8-bit ISA card
8-bit ISA card
8-bit Floppy disk controller
8-bit ECP parallel port
- DMAC daisy chain
16-bit ISA card
16-bit ISA card
16-bit ISA card
Usual Assignment
System timer
Keyboard
IRQ8 - 15 Cascade
Serial port 2
Serial port 1
ISA/PCI bus (Audio)
Floppy disk
Parallel port
Real time clock
ISA/PCI bus
ISA/PCI bus
ISA/PCI bus
PS/2 Mouse
Floating point error
Primary hard disk
Secondary hard disk
Device
Slots
Slots
S e p t e m b e r 1 9 9 8
Audio
option
default 8-bit
option
Fixed?
YES
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
If drive connected
NO
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PCI
X
X
X
X
X
X
X
X
X
X
X