Isa Irq Support; Each Of The Irqs Must Be Enabled In The Bios Setup Utility Before They Can Be Used. (All Are Disabled By Default.); Pci Bus (On Pc/104-Plus And Pci-104 Expansion Modules) - VersaLogic BayCat VL-EPM-31ECP Hardware Reference Manual

ISA IRQ S
UPPORT
The following IRQs are supported on the ISA bus:

IRQ3

IRQ4

IRQ5

IRQ6

IRQ7
Each of the IRQs must be enabled in the BIOS Setup utility before they can be used. (All are
disabled by default.)
Because ISA IRQ sharing is not supported,
1
Some IRQs may not be available to the ISA bus due to operating system limitations.
- IRQ 9 is used by the ACPI SCI (System Control Interrupt) by default, and requires a
custom BIOS for use on the ISA bus.
- IRQ 10 is used for PCI IRQ routing, and usually requires a custom BIOS for use on
the ISA bus.
PCI B ( PC/104-P
US ON
Refer to the PCI sections of the
interface.
Make sure to correctly configure the PCI slot position jumpers on each PC/104-Plus or PCI-104
module appropriately.
The BIOS automatically allocates I/O, memory, and interrupt resources.
EPM-31 Hardware Reference Manual
1

IRQ9
1

IRQ10

IRQ11

IRQ12

IRQ15
PCI-104 E
LUS AND
PC/104-Plus Specification
M )
XPANSION ODULES
for a complete description of this
Expansion Interfaces
57