Annex: Resources
page 86
Beckhoff New Automation Technology
CB3263-xxxx
II Annex: Resources
IO Range
The used resources depend on setup settings.
The given values are ranges, which are fixed by AT compatibility. Other IO ranges are used, which are
dynamically adjusted by Plug & Play BIOS while booting.
Adress
Function
0-FF
Reserved IO area of the board
170-17F
1F0-1F7
278-27F
2E8-2EF
2F8-2FF
COM2
370-377
378-37F
3BC-3BF
3E8-3EF
3F0-3F7
3F8-3FF
COM1
Memory
The used resources depend on setup settings.
If the entire range is clogged through option ROMs, these functions do not work anymore.
Adress
Function
A0000-BFFFF
VGA-RAM
90927000-909277FF
AHCI BIOS / RAID / PXE (if available)
FF000000-FFFFFFFF
Intel(R) 82802 Firmwarehub
Interrupt
The used resources depend on setup settings.
The listed interrupts and their use are given through AT compatibility.
If interrupts must exclusively be available on the ISA side, they have to be reserved through the BIOS
setup. The exclusivity is not given and not possible on the PCI side.
Adress
Function
IRQ0
Timer
IRQ1
PS/2 Keyboard
IRQ2 (8)
IRQ3
COM2
IRQ4
COM1
IRQ5
IRQ6
IRQ7
IRQ8
RTC
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
