Chapter 19
Setup Guide
Kontron User's Guide PC/104-520
39
19.8
PCI/ISA Menu
Feature
Option
Description
8
Configure PCI Ethernet
8
Configure PCI VGA
Submenu
Defines IRQ and latency value for onboard PCI devi-
ces
8
Configure DMA
Channels
Submenu
Selects DMA channels corresponding with hardware
settings
8
Configure ISA Timing
400 ns
, 800 ns
1.2
µ
s, 1.6
µ
s, 2.0
µ
s
Sets ISA base cycle time (I/O and memory access)
19.8.1
Configure PCI x Submenu
Feature
Option
Description
Select IRQ
Auto
, Disabled
IRQ5, IRQ9, IRQ10
IRQ11, IRQ15
Defines IRQ of onboard PCI device
Auto - BIOS selects IRQ
Select Latency Value
Auto
, Default
20, 40, 60, 80
100, 140, 180
220, 240, 255
Defines latency of onboard PCI device
Auto - BIOS selects latency value
19.8.2
Configure DMA Channels Submenu
Feature
Option
Description
DMA A Channel
DMA0 (Memory)
DMA1
DMA2 (FDD)
DMA3 (HDD)
Selects 8 Bit DMA channel for GPACK0/GPREQ0
DMA B Channel
DMA5
DMA6
DMA7
Selects 16 Bit DMA channel for GPACK1/GPREQ1