Kontron ETX-DC - Manual (Page 47)

ETX-DC®/ System Resources
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8.2 Memory Area
Upper Memory Used for Available Comment
C0000h – CFFFFh VGA BIOS No
D0000h – DFFFFh Yes ISA bus or shadow RAM
E0000h – FFFFFh System BIOS No
8.3 I/O Address Map
The I/O-port addresses of the ETX®-DC are functionally identical with a standard PC/AT.
The following I/O ports are used:
I/O Address Used for Available Comment
2E8-2Efh COM4 No Available if external I/O controller not used.
370-371h Configuration
space for SMC
controller No Available if external I/O controller not used.
3E8-3Efh COM3 No Available if external I/O controller not used.
480-4BFh Chipset No Always used by chipset.
800-87Fh Chipset No Always used by chipset.
A00-A10h Chipset No Always used by chipset.
1000h > PCI No I/O ports 1000h and above might be allocated by PCI devices or
onboard hardware.
8.4 Peripheral Component Interconnect (PCI) Devices
PCI Device Busmaster PCI Interrupt Comment
Audio, USB and
Ethernet See IRQ resource
tables above Integrated in the Intel chipset. No REQx/GNTx pair needed.
You can use REQ0/GNT0, REQ1/GNT1, REQ2/GNT2, and REQ3/GNT3 pairs for external PCI devices.
8.5 Inter-IC (I2C) Bus
I2C Address Used For Available Comment
A0h JIDA-EEPROM No EEPROM for CMOS data.
A2h JIDA-EEPROM No
8.6 System Management (SM) Bus
Following SM bus addresses are reserved.
SM Bus Address SM Device Comment
10h SMB Host Do not use under any circumstances.
12h SMART_CHARGER Not to be used with any SM bus device except a charger
14h SMART_SELECTOR Not to be used with any SM bus device except a selector
16h SMART_BATTERY Not to be used with any SM bus device except a battery
A0h SPD SDRAM EEPROM
D2h Clock generator Do not use under any circumstances.