FIC A360 Software Functional Overview, Supported Video Mode, Panel Type Initialization

Software Functional Overview

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.

3-4 FIC A360 Service Manual