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

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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.

58

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