2 direct memory access (dma) channels, 3 memory area, 4 i/o address map – Kontron COMe-bPC2 User Manual
Page 58: 5 external inter-ic (i2c) bus, 6 system management (sm) bus, 7 jili i2c bus, 8 sdvo i2c bus, 9 crt i2c bus, Direct memory access (dma) channels, Memory area
COMe-bPC2 / System Ressources
5.2
Direct Memory Access (DMA) Channels
DMA#
Used For
Available
Comment
0
-
No
-
1
-
No
-
2
-
No
-
3
-
No
-
4
Cascade
No
-
5
-
No
-
6
-
No
-
7
-
No
-
5.3
Memory Area
Upper Memory
Used For
Available
Comment
C0000h-CFFFFh
VGA BIOS
No
-
D0000h-DFFFFh
-
Yes
LPC Bus or Shadow RAM
E0000h-EFFFFh
System BIOS
No
-
5.4
I/O Address Map
Upper Memory
Used For
Available
Comment
400h-41Fh
Chipset
No
Always used by chipset
4D0h-4D1h
Interrupt Controller
No
-
500h-53Fh
Chipset
No
Always used by chipset
800h-87Fh
Chipset
No
Always used by chipset
1000h>
PCI
No
-
5.5
External Inter-IC (I2C) Bus
I2C Address
Used For
Available
Comment
JIDA Bus Nr.
-
-
-
-
2
5.6
System Management (SM) Bus
SMB Address
Used For
Available
Comment
JIDA Bus Nr.
10h
SMB Host
No
EEPROM for CMOS Data
1
12h
SMART_Charger
No
Only be used by a SMB Charger
1
14h
SMART_Selector
No
Only be used by a SMB Selector
or Manager
1
16h
SMART_Battery
No
Only be used by a SMB Battery
1
A0h
SPD
No
DDR3 channel A
1
A4h
SPD
No
DDR3 channel B
1
5Ch
HW-Monitor
No
-
1
D2h
Clockgenerator
No
-
1
5.7
JILI I2C Bus
I2C Address
Used For
Available
Comment
JIDA Bus Nr.
A0h
DDC
No
Display Data
6
62h
MAX6253
No
DAC for Backlight brightness
6
5.8
SDVO I2C Bus
I2C Address
Used For
Available
Comment
JIDA Bus Nr.
A0h
DDC
No
Display Data
4
5.9
CRT I2C Bus
I2C Address
Used For
Available
Comment
JIDA Bus Nr.
A0h
DDC
No
Display Data
5
JIDA Bus Nr. 0 and Bus Nr. 3 are for internal use only.
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