User`s guide

54 • ATI 3D RagePro XL Features
l DDC support for LCD monitors. Dedicated I/O pins are available to
support DDC on LCD monitor applications.
l Ratiometric Expansion in both VGA Graphics Modes and Accelerated
Graphics Modes. Display modes with resolutions lower than the LCD
panel resolution can be 2 tap horizontal and vertical filtering to improve
both text and graphics image quality Maximum source resolution
support with vertical filtering:
Ÿ Horizpntal: 1024 24 bbp.
Ÿ Vertical: no limit: There is NO limit on source resolution if the
vertical filtering is disabled.
l Variable Blink Rate Support
l Different panels have different response time. Variable blink rate
support allows the blinking character/cursor to be seen clearly.
l Backlight Modulation
Ÿ Pulse Width Modulation (up to 256 levels) for backlight on/off signal
to control the brightness of the display.
5.5 ACPI Power Management
l Advanced Configuration and Power Interface (ACPI) with On, Standby,
Suspend, and Off.
l Register and Timer modes for hardware and software power
management.
l Dynamic clock switching.
5.6 AGP 2X mode
l The AGP 2X mode (133MHz) offers a peak bandwidth in excess of
500MB/s, which is twice the throughput of the AGP 1X(66MHz) mode.
The PCI graphics devices are limited to a 33MB/s bandwidth which
must be shared with other PCI devices.