Diamond Systems Rhodeus-LC LX800 PC/104 User Manual
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Appendix
000003F8 - 000003FF
Communications Port
00000778 - 0000077B
Printer Port
00000A79 - 00000A79
ISAPNP Read Data Port
00000D00 - 0000FFFF
PCI Bus
0000FC00 - 0000FCFF
Realtek RTL8139/810x family Fast Ethernet NIC
0000FF00 - 0000FF0F
Standard Dual Channel PCI IDE Controller
Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on board.
4.2 Interrupt Request Lines (IRQ)
Level
Function
IRQ 01
PC/AT Enhanced PS/2 Keyboard
IRQ 03
Communications Port
IRQ 04
Communications Port
IRQ 05
Standard Enhanced PCI to USB Host Controller
IRQ 05
Standard Open HCD USB Host Controller
IRQ 06
Standard Floppy Disk Controller
IRQ 10
Advanced Micro Devices Win 2K/Win Graphics Driver
IRQ 10
Geode LX AES Crypto Driver
IRQ 11
Realtek RTL8139/810x Family Fast Ethernet NIC
IRQ 12
Microsoft PS/2 Mouse
IRQ 14
Primary IDE Channel
4.3 DMA Map
DMA Channel
Device Description
02
Standard Floppy Disk Controller