Avalue ECM-QM77 - Manual (Page 71)

User ’s Manual
ECM-QM77 User ’s Manual 71
Primary IGFX Boot Display
VBIOS Default[Default]
CRT
LVDS
HDMI
Select the Video Device which will
be activated during POST. This
has no effect if external graphics
present. Secondary boot display
selection will appear based on
your selection. VGA modes will be
supported only on primary
display.
Spread Spectrum clock Chip
Off[Default]
Hardware
Software
>>Hardware : Spread is controlled
by chip;>>Software : Spread is
controlled by BIOS.
ALS Support
Disabled[Default]
Enabled
Valid only for ACPI. Legacy= ALS
Support through the IGD INT10
function. ACPI= ALS support
through an ACPI ALS driver.
Active LFP
No LVDS
eDP Port-A[Default]
Select the Active LFP
Configuration. No LVDS: VBIOS
does not enable LVDS. Int-LVDS:
VBIOS enables LVDS driver by
Integrated encoder. SDVO LVDS:
VBIOS enables LVDS driver by
SDVO encoder. eDP Port-A: LFP
Driven by Int-DisplayPort encoder
from Port-A. eDP Port-D: LFP
Driven by Int-DisplayPort encoder
from Port-D (through PCH).
CH7511 EDID Panel Option
1024x768 24/1[Default]
800x600 18/1
1024x768 18/1
1366x768 18/1
1024x600 18/1
1280x800 18/1
1920x1200 24/2
640x480 18/1
800x480 18/1
1920x1080 18/2
1280x1024 24/2
1440x900 18/2
1600x1200 24/2
1366x768 24/1
1920x1080 24/2
1680x1050 24/2
Port1-EDP to LVDS(Chrotel
7511) Panel EDID Option.
LVDS Back Light PWM
00%
25%
50%[Default]
75%
100%
Select LVDS back light PWM
duty.
LVDS Back Light PWM
Frequency
200 Hz[Default]/330 Hz/500 Hz
1 kHz/2 kHz/3 kHz
5 kHz/10 kHz/24 kHz
31 kHz/47 kHz/94 kHz
Select LVDS back light PWM
Frequency.