ADLINK Express-IBE2 - Manual (Page 34)

Page 34 Express-IBE2
5. System Resources
5.1. System Memory Map
Address Range (decimal) Address Range (hex) Size Description
(4GB-2MB) FFE00000 – FFFFFFFF 2 MB High BIOS Area
(4GB-18MB) – (4GB-17MB-1) FEE00000 – FEEFFFFF 1 MB MSI Interrupts
(4GB-20MB) – (4GB-19MB-1) FEC00000 – FECFFFFF 1 MB APIC Configuration Space
960 K – 1024 K F0000 – FFFFF 64 KB System BIOS Area
896 K – 960 K E0000 – EFFFF 64 KB Extended System BIOS Area
768 K – 896 K C0000 – DFFFF 128 KB Onboard VGA BIOS
Intel 82579LM PXE option ROM when onboard
LAN boot ROM is enabled.
Marvell 88SE6101 option ROM.
640 K – 768 K A0000 – BFFFF 128 KB Legacy Video Buffer Area
0 K – 639 K 00000 – 9FFFF 640 KB DOS Area
5.2. Direct Memory Access Channels
Channel Number Data Width System Resource
0 8-bits Parallel port(1)
1 8-bits Parallel port(1)
2 8-bits Diskette drive(1)
3 8-bits Parallel port(1)
4 Reserved - cascade channel
5 16-bits Generic
6 16-bits Generic
7 16-bits Generic
Notes:
(1) DMA channel 0/1/3 can be selected when using parallel port.
The floppy drive and parallel port cannot be used simultaneously.