SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 205

• Manufacturer Part Number: SPC8106
• Description: LCD/CRT VGA CONTROLLER
• Manufacturer: S-MOS Systems

Set Power State according to table below:
Returns Power State according to table below:
*
**
***
****
SPC8106
Function 04h - Power Control
SubFunction 00h: Set Power State
SubFunction 01h: Get Power State
411-1.0
VRAM Refresh
Clock
Display (panel) enabled
CRT display access
CPU to VRAM Refresh
IO Write/IO Read
Ext.RamDAC
Relative Power Saving
Input:
Return:
Input:
Return:
Input:
Return:
Input:
Return:
can use Power Down clock if available
read/write allowed
not available on CRT
Clock is slower by 25%
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
AH=7Fh
AL=04h
BL=00h
CX
AX
AH=7Fh
AL=04h
BL=01h
AX
CX
DX
AH=7Fh
AL=04h
BL=02h
CX
AX
AH=7Fh
AL=04h
BL=03h
AX
SOLLEX Support
Power Control
Set Power State
Power State (0 to Maximum State)
Status
SOLLEX Support
Power Control
Get Power State
Status
Power State
Maximum State
SOLLEX Support (UNSUPPORTED in SPC8106)
Power Control
Set Time Out Reset
Time Out Reset (0 to Maximum Time Out Reset)
Status AL=7Fh, AH=01h
SOLLEX Support (UNSUPPORTED in SPC8106)
Power Control
Get Time Out Reset
Status AL=7Fh, AH=01h
State 0
None
Yes
Yes
Yes
Yes
Yes
Yes
Yes
State 1
No**
Low
Yes
Yes
Yes
Yes
No
No
X12-SP-002-03.1
State 2
Medium
No**
Yes
Yes
Yes
No
No
No
Registers
State 3
High
Aux
No
No
No
No
No
No
BIOS Functional Specification
Registers
State 4
External
Yes*
High
Aux
No
No
No
No
State 5***
minimal
Yes****
Yes
Yes
Yes
Yes
Yes
No
SP2-35