9.4.3 Graphics Configuration Submenu
Feature
Options
Description
Primary Video Device
Internal VGA
PCI /Int.VGA
Select primary video adapter to be used during boot up.
Internal VGA Mode
Select
Disabled
Enabled, 1MB
Enabled, 8MB
This option allows you to disable the internal VGA controller or
enable it with 1MB or 8MB initial frame buffer size.
DVMT Mode Select
Fixed Mode
DVMT Mode
Combo Mode
Select the DVMT mode to be used by the DVMT graphics driver.
Fixed Mode: The amount of DVMT memory selected is always
allocated by the DVMT graphics driver.
DVMT Mode: The DVMT driver only allocates as much memory as
required for the current video mode but may allocate memory up
to the limit specified in the following node.
Combo Mode: The DVMT graphics driver allocates at least 64MB
but may allocate up to 128MB if required.
DVMT = Dynamic Video Memory Technology
DVMT/FIXED Memory
64MB
128MB
Amount of DRAM the DVMT graphics driver can or will allocate
(depends on DVMT mode selected).
Boot Display Device
Auto
CRT only
TV only
SDVO only
CRT + SDVO
LFP only
CRT + LFP
Select the display device(s) used for boot up.
LFP = Local Flat Panel (LVDS)
Note: Auto feature only works with a DDC compatible CRT
monitor.
Boot Display Preference
LFP SDVO-B SDVO-C
LFP SDVO-C SDVO-B
SDVO-B SDVO-C LFP
SDVO-C SDVO-B LFP
Select order in which devices are checked and enabled as boot
display devices in case a combination of LFP and SDVO devices
is present. The preference selection is only used if Boot Display
Device selection is set to Auto.
Always Try Auto Panel
Detect
No
Yes
If set to 'Yes' the BIOS will first look for an EDID data set in an
external EEPROM to configure the Local Flat Panel. Only if no
external EDID data set can be found, the data set selected under
'Local Flat Panel Type' will be used as a fall back data set.
Local Flat Panel Type
Auto
VGA 1x18 (002h)
VGA 1x18 (013h)
SVGA 1x18 (001Ah)
XGA 1x18 (006h)
XGA 2x18 (007h)
XGA 1x24 (008h)
SXGA 2x24 (018h
XGA 2x24 (012h)
SXGA 2x24 (00Ah)
UXGA 2x24 (00Ch)
Customized EDID™ 1
Customized EDID™ 2
Customized EDID™ 3
Select a predefined LFP type or choose Auto to let the BIOS
automatically detect and configure the attached LVDS panel.
Auto detection is performed by reading an EDID data set via the
video I²C bus.
The number in brackets specifies the congatec internal number of
the respective panel data set.
Note: Customized EDID™ utilizes an OEM defined EDID™ data
set stored in the BIOS flash device.
VGA = 640x480
SVGA = 800x600
XGA = 1024x768
SXGA = 1280x1024
UXGA = 1600x1200
SDVO Local Flat Panel
Type
Disabled
Auto
VGA 1x18 (002h)
VGA 1x18 (013h)
SVGA 1x18 (01Ah)
XGA 1x18 (006h)
XGA 2x18 (007h)
XGA 1x24 (008h)
An SDVO local flat panel is a LVDS panel connected to an SDVO
LVDS transmitter on one of the SDVO ports.
Copyright © 2006 congatec AG
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