Compaq Deskpro 4000 - Table; Table D-1. Graphics Configuration; Table D-2. Monitor Powerm; D.3 Display Configurations

Technical Reference Guide
Compaq Personal Computers
Original - September 1997
D-3
D.3 DISPLAY CONFIGURATIONS
Table D–1.
Graphics Configuration Display Modes
Table D-1.
Graphics Configuration Display Modes
Pixel Resolution
Color
Depth
Max. Vertical
Frequency
2 MB Exp. Module
Required?
640 x 480 @ 8 bpp 256 85 Hz No
640 x 480 @ 16 bpp 65K 85 Hz No
640 x 480 @ 24 bpp 16.7M 85 Hz No
640 x 480 @ 32 bpp 16.7M 85 Hz No
800 x 600 @ 8 bpp 256 85 Hz No
800 x 600 @ 16 bpp 65K 85 Hz No
800 x 600 @ 24 bpp 16.7M 85 Hz No
800 x 600 @ 32 bpp 16.7M 85 Hz No
1024 x 768 @ 8 bpp 256 85 Hz No
1024 x 768 @ 16 bpp 65K 85 Hz No
1024 x 768 @ 24 bpp 16.7M 85 Hz Yes
1024 x 768 @ 32 bpp 16.7M 85 Hz Yes
1152 x 864 @ 8 bpp 256 85 Hz No
1152 x 864 @ 16 bpp 65K 85 Hz No
1152 x 864 @ 24 bpp 16.7M 85 Hz Yes
1152 x 864 @ 32 bpp 16.7M 85 Hz Yes
1280 x 1024 @ 8 bpp 256 85 Hz No
1280 x 1024 @ 16 bpp 65K 85 Hz Yes
1280 x 1024 @ 24 bpp 16.7M 85 Hz Yes
1600 x 1200 @ 8 bpp 256 85 Hz Yes
1600 x 1200 @ 16 bpp 65K 85 Hz Yes
NOTES:
All modes are non-interlaced.
D.4 MONITOR POWER MANAGEMENT CONTROL
This controller provides monitor power control for monitors that conform to the VESA display
power management signaling (DPMS) protocol. This protocol defines different power
consumption conditions and uses the HSYNC and VSYNC signals to select a monitor’s power
condition. Table D-2 lists the monitor power conditions.
Table D–2.
Monitor Power Management Conditions
Table D-2.
Monitor Power Management Conditions
HSYNC VSYNC Power Mode Description
Active Active On Monitor is completely powered up. If activated, the inactivity
counter counts down during system inactivity and if allowed to
tiemout, generates an SMI to initiate the Suspend mode.
Active Inactive Suspend Monitor’s high voltage section is turned off and CRT heater
(filament) voltage is reduced from 6.6 to 4.4 VDC. The Off mode
inactivity timer counts down from the preset value and if allowed to
timeout, another SMI is generated and serviced, resulting in the
monitor being placed into the Off mode. Wake up from Suspend
mode is typically a few seconds.
Inactive Inactive Off Monitor’s high voltage section and heater circuitry is turned off.
Wake up from Off mode is a little longer than from Suspend.