Vga Support; Fast Boot - Compal PBL0001 User Manual

After POST, release <Fn+B> 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.