VIOCONFIGINFO

Text mode configuration information.

Type

USHORT cb
USHORT adapter
USHORT display
ULONG  cbMemory
USHORT Configuration
USHORT VDHVersion
USHORT Flags
ULONG  HWBufferSize
ULONG  FullSaveSize
ULONG  PartSaveSize
USHORT EMAdaptersOFF
USHORT EMDisplaysOFF

C Declaration Method

typedef struct

Fields

cb

Length of this data structure

Input parameter to VioGetConfig. The length must be either 4, to indicate the actual length should be returned, or at least 48.

adapter

Display adapter type.

Value	Definition
0	Monochrome
1	Colour Graphics Adapter
2	EGA
3	VGA Display Adapter
4-6	Reserved
7	8514/A
8	Image Adapter/A
9	XGA Display Adapter
10

Values ranging from 0-4095 are reserved for IBM.

display

Display monitor type

Display or monitor type.

Value	Definition
0	Monochrome
1	CGA
2	EGA
3	13-inch Monochrome Display (8503)
4	13-inch Color Display
5-8	Reserved
9	16-inch 1024x768 capable color display (8514)
10	LCD or Plasma display
11	Large monochrome display (8507)
12	14-inch 1024x768 capable color display (8515)
13-14	Reserved
15	9515
17	9517
18	9518
19

Values ranging from 0-4095 are reserved for IBM.

cbMemory

Bytes of memory on the adapter

Amount of memory, in bytes, on the adapter.

Configuration

Configuration number

Number of the display configuration that this data corresponds to. This is assigned by the video subsystem.

VDHVersion

Reserved

This field is reserved.

Flags

The flag bits are defined as follows:

31-1 Reserved

0 Power-up display configuration.

HWBufferSize

Size to save video state

Size of the buffer required by the Base Video Handler (BVH) to save the full hardware state, excluding the physical display buffer.

FullSaveSize

Full save size.

Maximum size buffer required by the BVH to save the full physical display buffer.

PartSaveSize

Partial save size

Maximum size buffer required by the BVH to save the portion of the physical display buffer that is overlaid by a pop-up.

EMAdaptersOFF

Offset to emulated adapter types

Offset, within the configuration data structure, to the following information describing what other display adapters are emulated by this display adapter.

Number of Data words

Contains a one-word field, specifying a count of data words to follow.

Data word 1

Bits, set in the data words, identify display adapters emulated.

Data word 1 has the following definition:

Bit	Description
0-2	Reserved
3	VGA
4-6	Reserved
7	8514/A Adapter
8	Image Adapter/A
9	XGA Adapter
10-31	Reserved

EMDisplaysOFF

Offset to emulated display types

Offset, within the configuration data structure, to the following information describing what other displays are emulated by this display.

Number of Data words

One-word field, specifying a count of data words to follow.

Data word 1

Bits, set in the data words, identify displays emulated. Data word 1 has the following definition:

Bit	Description
0-2	Reserved
3	13-inch Monochrome Display
4	13-inch Color Display
5-8	Reserved
9	16-inch 1024x768 capable color display
10	LCD or Plasma display
11	Large monochrome display
12	14-inch 1024x768 capable color display
13-31	Reserved