Kontron ETX-CD - Manual (Page 36)

ETX®-CD / System Resources
5.2 Direct Memory Access (DMA) Channels
DMA # Used for Available Comment
0 Yes
1 Yes
2 FDC No If the “used-for” device is disabled in setup, the corresponding DMA channel
is available for other devices.
3 LPT Yes Unavailable if LPT is used in ECP mode.
4 Cascade No
5 Yes
6 Yes
7 Yes
5.3 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
5.4 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.
5.5 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
5.6 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
D2h Clock generator Do not use under any circumstances. 1
D4h Clock generator Do not use under any circumstances. 1
5.7 JILI-I2C Bus
I2C Address Used For Available Comment JIDA-Bus-Nr.
A0h JILI-EEPROM No EEPROM for JILI-Data 2
62h Brightness control No MAX536262 2
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