Memory Area; I/O Address Map; Inter-Ic (I2C) Bus; System Management (Sm) Bus - Kontron ETX®-CN8 User Manual

8.3

Memory Area

Upper Memory Used for
C0000h – CFFFFh VGA BIOS
D0000h – DFFFFh
E0000h – FFFFFh System BIOS
8.4

I/O Address Map

The I/O-port addresses of the ETX®-CN8 are functionally identical with a standard PC/AT.
The following I/O ports are used in addition:
I/O Address Used for
295h-296h HW Monitor
400h-40Fh SMBUS
800h-87Fh PM/SystemI/O
1000h > PCI
8.5

Inter-IC (I2C) Bus

I2C Address Used For
A0h JIDA-EEPROM
A2h JIDA-EEPROM
8.6

System Management (SM) Bus

Following SM bus addresses are reserved.
SM Bus Address SM Device
10h SMB Host
12h SMART_CHARGER
14h SMART_SELECTOR
16h SMART_BATTERY
54h Winbond on eval board
90h Winbond on eval board
92h Winbond on eval board
A0h SPD
D2h RAM Clock generator
DCh Clock generator
The standard ETX®-CN8 Power management BIOS does support MARS (Mobile Application platform for
Note:
Rechargeable Systems).
8.7

JILI-I2C Bus

I2C Address Used For
A0h JILI-EEPROM
62h DAC
Kontron User's Guide ETX®-CN8
Available Comment
No
Yes
No
Available Comment
No
No
No
I/O ports 1000h and above might be allocated by PCI devices or
No
onboard hardware.
Available Comment
No EEPROM for CMOS data.
No
Comment
Do not use under any circumstances.
Not to be used with any SM bus device except a charger
Not to be used with any SM bus device except a selector
Not to be used with any SM bus device except a battery
Not available when used with ETX-evalboard
Not available when used with ETX-evalboard
Not available when used with ETX-evalboard
SDRAM EEPROM
Do not use under any circumstances.
Do not use under any circumstances.
Available Comment
No EEPROM for JILI-Data
No Brightness Controller
47
8 System Resources
JIDA-Bus-Nr.
0
0
JIDA-Bus-Nr.
1
1
1
1
1
1
1
1
1
1
JIDA-Bus-Nr.
2
2