chiliGREEN CBL21 - Manual (Page 50)

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After POST, release key. The system should boot from floppy and perform
crisis recovery action.
4.9.5 VGA Support
This section describes the expected behavior when a video monitor is connected to
the VGA port on the notebook .The feature needs VGA driver support.
The BIOS will use both the RGB and pin 11 methods to determine the presence of
an external VGA monitor.
Video modes supported on the secondary display path (need VGA driver
support)
Supported video modes and timings please refer to the technical reference of VGA
vendor. In particular, text mode and standard VGA modes are not supported.
4.9.5.1 Brightness table
This section describes the LCD Brightness control.
The keyboard Fn+F4 and Fn+F5 keys, the AC/DC state and the brightness slide bar
in Windows Vista Mobility Center control the LCD brightness.
There shall be 11 levels of distinct brightness.
Level 11 = Maximum Brightness possible.
Level 1 = Minimum brightness without flickering (10 nits recommended, depending
on inverter stability, type and display uniformity)
*One setting level should be approximately 55 – 60 nits for Mobile Mark 2002 test.
4.9.5.2 Boot Display Algorithm
This section describes the POST boot up display device with multi display device
attached.
Only support Local Flat Panel display during POST when LFP attached, the external
display device (Include VGA, DVI, HDMI and DP) will not display until entering the
OS.
4.9.6 Fast Boot
The BIOS POST time should be within 10 seconds or less. The BIOS POST time is
measured by Microsoft Velocity Test Suite. The POST timing test needs to include
the worst-case drive configuration (internal or external) and worst-case memory
configuration available via the retail channels.