Memory Area; I/O Address Map; Peripheral Component Interconnect (Pci) Devices; Inter-Ic (I2C) Bus - Kontron ETXexpress-WPM User Manual

Memory Area

Upper Memory
C0000h – CFFFFh VGA BIOS
D0000h – DFFFFh
E0000h – FFFFFh

I/O Address Map

The I/O-port addresses of the ETXexpress-WPM are identical to a standard PC/AT.
The following I/O ports are used:
I/O Address Used for
2E8-2Efh COM4
370-371h Configuration space for
Super I/O controller
3E8-3Efh COM3
1000h > PCI

Peripheral Component Interconnect (PCI) Devices

PCI Device Busmaster
Audio, USB
and Ethernet
Use REQ0/GNT0, for external PCI device.

Inter-IC (I2C) Bus

I2C Address Used For Available Comment
A0h EEPROM No
B0h Reserved No
58h Reserved No
ETXexpress-WPM User's Guide
Used for Available Comment
No
Yes
System BIOS No
Available
No
No
No
No
PCI Interrupt
See IRQ resource tables
above.
EEPROM for CMOS data.
Reserved for internal use.
Reserved for internal use.
ISA bus or shadow RAM
Comment
Available if external I/O controller not
used.
Available if external I/O controller not
used.
Available if external I/O controller not
used.
I/O ports 1000h and above might be
allocated by PCI devices or onboard
hardware.
Comment
Integrated in the Intel chipset.
No REQx/GNTx pair needed.
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