Q7-974
Q7-974 User Manual - Rev. First Edition: 0.1 - Last Edition: 2.3 - Author: S.B. - Reviewed by G.G. Copyright © 2017 SECO S.r.l.
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4.3.8.1
LFP Custom submenu
Using this submenu, it is possible to set all the following parameters to meet the LVDS display requirements.
Menu Item
Options
Description
Pixel Clock / 10000
Any value in range
[2500..22400]
Working Frequency in 10kHz units, e.g 6350
63.5MHz. Allowed range from 2500 (25MHz) to
22400 (224MHz)
Horizontal Active
Any value in range [1..4095]
Horizontal Addressable Video in pixels, a.k.a. Horizontal resolution (e.g. 1024 on a 1024x768 LFP)
Horizontal Blank
Any value in range [1..4095]
Horizontal Blanking in pixels, equals to Horizontal Total (Horizontal Horizontal Front Porch +
Horizontal Black Porch)
Vertical Active
Any value in range [1..4095]
Vertical Addressable Video in pixels, a.k.a. Vertical resolution (e.g. 768 on a 1024x768 LFP)
Primary Display
Auto / IGD / PCIe
Select which of IGD or external PCI-e Graphic Controller should be the Primary display
RC6(Render Standby)
Disabled / Enabled
Permits to enable the render standby features, which allows the onboard graphics entering in standby
mode to decrease power consumption
PAVC
Disabled / LITE Mode /
SERPENT Mode
Allows enabling the hardware acceleration of decoding of Protected Audio Video streams.
When not disabled, it is possible to choose between LITE encryption and SERPENT encryption modes.
Power Management Lock
Disabled / Enabled
Enable / Disable Power Management Lock
DOP CG
Disabled / Enabled
Enable / Disable DOP Clock Gating
GTT Size
1MB / 2MB
Select the GTT (Graphics Translation Table) Size
Aperture Size
128MB / 256MB / 512MB
Use this item to set the total size of Memory that must be left to the GFX Engine
IGD - DVMT Pre-Allocated
64M / 96M / 128M / 160M /
192M / 224M / 256M / 288M /
320M / 352M / 384M / 416M /
448M / 480M / 512M
Select DVMT5.0 Pre-Allocated (Fixed) Graphics Memory size used by the Internal Graphic Device
IGD - DVMT Total Gfx Mem
128M / 256M / MAX
Select the size of DVMT (Dynamic Video Memory) 5.0 that the Internal Graphics Device will use
IGD Turbo
Auto / Enabled / Disabled
Enable or Disable IGD Turbo mode
IGD Thermal
Disabled / Enabled
Enabled or disable Thermal Control of IGD
Spread Spectrum clock
Disabled / Enabled
Enable or disable Spread Spectrum Clock on DDI interface
Backlight Control
Auto
PWM-Inverted
PWM-Normal
Backlight control setting
