8 System Resources
Kontron User's Guide ETX CD
52
5
Yes
6
Yes
7
Yes
8.3
Memory Area
Upper Memory
Used for
Available
Comment
C0000h – CFFFFh
VGA BIOS
No
D0000h – DDFFFh
Yes
shadow RAM (ISA bus restriction)
DE000h – DFFFFh
USB registers
No
E0000h – FFFFFh
System BIOS
No
8.4
I/O Address Map
The I/O-port addresses of the ETX®-CD are functionally identical with a standard PC/AT.
The following I/O ports are additionally used:
I/O Address
Used for
Available
Comment
220-227h
COM3
Available if external I/O controller not used.
228-22Fh
COM4
Available if external I/O controller not used.
2F8-2FFh
COM1
No
Available if device is disabled in setup
370-371h
Configuration
space for SMC
controller
No
Available if external I/O controller not used.
3F8-3FFh
COM2
No
Available if device is disabled in setup
1000h >
PCI
No
I/O ports 1000h and above might be allocated by PCI devices or
onboard hardware.
8.5
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.
8.6
Inter-IC (I2C) Bus
I2C Address
Used For
Available
Comment
JIDA-Bus-Nr.
A0h
JIDA-EEPROM
No
EEPROM for CMOS data.
0
A2h
JIDA-EEPROM
No
0
B0h
WD-PIC
No
Reserved for internal use.
0
8.7
System Management (SM) Bus
Following SM bus addresses are reserved.
SM Bus Address
SM Device
Comment
JIDA-Bus-Nr.
10h
SMB Host
Do not use under any circumstances.
1
12h
SMART_CHARGER
Not to be used with any SM bus device except a charger
1
14h
SMART_SELECTOR
Not to be used with any SM bus device except a selector
1
16h
SMART_BATTERY
Not to be used with any SM bus device except a battery
1
A0h
SPD
SDRAM EEPROM
1
Summary of Contents for ETX CD
Page 1: ... Kontron User s Guide ETX CD Document Revision 1 0 All not approved entries are marked ...
Page 2: ...This page intentionally left blank ...
Page 39: ...4 ETX connectors Kontron User s Guide ETX CD 39 44 Reserved nc 45 Reserved nc ...
Page 57: ...10 BIOS Operation Kontron User s Guide ETX CD 57 10 3 BIOS Setup Menus 10 3 1 Info Screen ...
Page 60: ...10 BIOS Operation Kontron User s Guide ETX CD 60 10 3 3 Advanced ...
Page 76: ...10 BIOS Operation Kontron User s Guide ETX CD 76 Hardware Monitor ...