3 video, Supported video mode, Panel type initialization – FIC A360 User Manual

Page 61: Software functional overview

Advertising
background image

Software Functional Overview


3-4

FIC A360 Service Manual

256MB NIL

256MB

256MB 64MB

320MB

256MB 128MB

384MB

256MB 256MB

512MB

NIL 64MB

64MB

NIL 128MB

128MB

NIL 256MB

256MB

3.3.3 Video

The Video subsystem used share memory of Video memory. The system will support
the true ZV port, the Microsoft Direct 3D assist, simultaneous display, monitor sense for
auto display on boot and VESA Super VGA function call.
Supported Video Mode
The following is the display modes supported by the S3 Savega4 in LCD only, CRT
only, and simultaneous mode. The VGA BIOS will allow mode sets of resolutions
greater than the panel size but only show as much mode display as will fit on the panel.

Panel Type Initialization
The VGA BIOS will issue INT 15h function call during POST. This function call allows the
system BIOS to specify the panel type to the VGA BIOS. The system BIOS should get the
panel type from GPI pins before the VGA chip initialized, and pass this information to VGA
BIOS through INT 15 Function 5F01h.

Supported standard VGA modes:

The VGA BIOS supports the IBM VGA Standard 7-bit VGA modes numbers.

Mode Pixel

Resolution Colors

Memory

00h/01h 40*25

16

Text

02h/03h 80*25

16

Text

04h/05h 320*200

4

2-bit

Planar

06h 640*200 2 1-bit

Planar

07h 80*25 Mono Text

0Dh 320*200 16 4-bit

Planar

0Eh 640*200 16 4-bit

Planar

0Fh 640*350 Mono 1-bit

Planar

10h 640*350 16 4-bit

Planar

11h 640*480 2 2-bit

Planar

12h 640*480 16 4-bit

Planar

13h 320*200 256 8-bit

Planar

Note: All Standard VGA Modes are limited to the standard VGA refresh rates.

Supported extended video modes:

CRT device will support all listed VESA mode; and other devices such as PANEL & TV may
be limited to the mode support due to their characteristics.

Advertising