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B4.2 Monitors


All general requirements in B1.0 are included by reference.
All bus-specific requirements in B2.0 are included by reference.

B4.2.1 Monitors - Windows Compatibility

B4.2.1.1 Windows XP/Windows 2000—monitor INF: "Creating and INF File" in the Windows DDK

See also the “Monitor” sample application in the Windows DDK for information about USB monitor control using Hid.dll.
B4.2.1.2 Windows 98/Me—monitor INF: "Sample Display INF File" of "Windows 95 Documentation Programmers Guide" in the Windows Me DDK
B4.2.1.3 Image Color Management (ICM) APIs and functionality as defined in the Microsoft Platform SDK and "Color Management for Displays" in the Windows DDK

[MON-0235]
B4.2.1.4 Windows compatibility and implementation notes (general)

http://www.microsoft.com/hwdev/video/
B4.2.1.5 Windows XP/Windows 2000: Windows Support for Mobile System Displays

Mobile PC Note: http://www.microsoft.com/hwdev/video/mobiledisplay.htm
B4.2.1.6 Display Control Panel Extensions per DDK, with Advanced Properties tab

Windows XP/Windows 2000: “Control Panel Requirements” Windows DDK.
Windows 98/Me: “Custom Refresh Rates” and “Using Control Panel Extensions” in the Windows Me DDK; see also http://www.microsoft.com/hwdev/devdes/displaycpl.htm.

B4.2.2 Monitors - Industry Standards

B4.2.2.1 Related VESA standards

[MON-0232]
http://www.vesa.org/standards.html

Enhanced Extended Display Identification Data Standard (E-DID), Release A


DDC2B.
EDID Standard, V. 3.0.
VESA Display Data Channel Standard.
VESA and Industry Standards and Guidelines for Computer Display Monitor Timing.
B4.2.2.2 ICC Profile Format Specification, Spec ICC.1:1988-09 and Addendum 2, ICC.1A:1999-04

[MON-0235]
http://www.color.org/profiles.html
B4.2.2.3 USB Monitor Control Class Specification, Revision 1.0

[USB-0088]
http://www.usb.org/developers/docs.html
B4.2.2.4 DVI, Revision 1.0

http://www.ddwg.org/
B4.2.2.5 Display Device Class Power Management Specification, Version 2.0

[MON-0244; see also FAQ B4.2.5.5]
http://www.microsoft.com/hwdev/specs/Pmref/Pmdisplay.htm

B4.2.3 Monitors - Quality


WHQL Test Specification References:
Chapter 1: Introduction to HCT Test Specifications
B4.2.3.1 Pass WHQL tests

See B1.3.

Windows XP: See “Monitors” in the HCT documentation.

B4.2.4 Monitors - Windows Experience


Design Guideline References:
PC 2001 System Design Guide, Chapter 10, "Monitors"
B4.2.4.1 Color monitor is DDC2B-compliant and supports EDID 1.3 data structure

[MON-0232, 0233; see also see FAQs B4.2.5.2 and B4.2.5.4]
B4.2.4.2 Monitor associates an ICC profile

[MON-0235]

The Windows operating system will support devices that create standard RGB (sRGB) output by default. Devices with an output other than sRGB must install (via a monitor INF) an ICC profile appropriate to the preferred display resolution (as identified in the EDID data) at 32 bpp. For an LCD or other non-CRT display device, the profile should be based on the native display mode (resolution and color depth) for which the display is designed.



Mobile PC Note: Because most Mobile PCs do not support Plug and Play for their installed LCD panel, the ICC profile must be installed manually by using an appropriate monitor INF. OEMs should install the correct configuration as part of the operating system preinstall process. If necessary, the INF will be available to the user for manual reinstallation. Mobile PCs with Double Supertwisted Nematic (DSTN) or reflective LCD panels do not require ICC profiles.
B4.2.4.3 Minimum graphics resolution, based on monitor size

[MON-0237]

  • 14-inch to 15-inch external monitor = 800 × 600, noninterlaced.

Mobile PC Note: Built-in mobile PC display = 800 × 600, noninterlaced.

  • 17-inch external monitor or 13-inch to 15-inch external LCD = 1024 × 768, noninterlaced.

  • 19-inch and 21-inch external monitor or external LCDs larger than 16 inches = 1280 × 1024, noninterlaced.

  • TV-style large-format monitors (larger than 23 inches) must be capable of scanning at 1024 x 768 progressive at 60 Hz (and 59.94 Hz) for the 4:3 case, and 1280 x 720 progressive at 60 Hz (and 59.94 Hz) for the 16:9 case.
B4.2.4.4 CRT-based monitor supports ergonomic timing standards

[MON-0240]
As defined in either the VESA Generalized Timing Formula, V. 1.1 or Computer Display Monitor Timing Specification, V. 1.0, Rev. 0, and a 59.94Hz variant of the 60Hz modes.
B4.2.4.5 SEE TV-style-large format monitors in B4.2.4.3
B4.2.4.6 Windows XP/Windows Me: Digital monitor (if implemented) supports DVI-related standards

[MON-0241, 0242, 0243]
Including DVI-compliant interface, hot-plug detection, VESA VGA Text Mode 3 timings (specifically 720 x 400 at 70 Hz), and 640 × 480 at 60 Hz and 640 × 400 at 70 Hz.
B4.2.4.7 USB functionality from either a HID or USB hub, if implemented, is installed separately from the monitor INF

[MON-0236]
B4.2.4.8 USB hub included on a monitor is self powered or externally powered

[MON-0236]
It cannot be a bus-powered hub.
B4.2.4.9 CRT-based monitor synchronizes to a new format in less than three seconds

[MON-0238]
B4.2.4.10 LCD monitor or built-in LCD display contains display characterization data

[MON-0234]
B4.2.4.11 Windows XP: Monitor supports 59.94 Hz operation

B4.2.5 Monitors - FAQs

B4.2.5.1 Current Monitor FAQs

See http://www.microsoft.com/winlogo/hardware/display/.
B4.2.5.2 DDC standard [Clarification]

[MON-0232]
The required support defined in Version 3.0 of the DDC standards is also defined in the earlier version and revisions of these standards. As such, the Version 3.0 standards provide the correct references for Windows XP/Windows 2000 and Windows 98/Me.
FAQ Date: October 7, 1998
B4.2.5.3 DELETED

See B4.2.4.2.
B4.2.5.4 EDID for analog CRTs [Correction]

[MON-0233]
For analog CRTs, EDID content must indicate at least one VESA mode at 75 Hz, or better, for each resolution supported.
FAQ Date: October 7, 1998
B4.2.5.5 Monitors support D0 and D3 states [Logo clarification]

[MON-0244]
Monitors are required to support only D0 and D3 states.
FAQ Date: March 20, 2000

B4.2.R Monitors - Future Requirements


Announcement of additional future requirements will be published at http://www.microsoft.com/winlogo/hardware/display/
B4.2.R.1 Cathode Ray Tube complies with Windows Color Quality Specifications

Color matching capabilities supported in a color cathode ray tube must comply with the requirements defined in Section 4 of "Windows Color Quality Specifications for Cathode Ray Tube OEMs," available at http://www.microsoft.com/hwdev/color/ In particular, the following color tolerances must be met.

Color element

Tolerance

Red primary

x=0.640 0.020/-0.035
y=0.330 0.030/-0.020

Green primary

x=0.300 0.020/-0.035
y=0.600 0.020/-0.020

Blue primary

x=0.150 0.015/-0.015
y=0.060 0.030/-0.015

White point

Where x(sRGB)=0.3127
and y(sRGB)=0.3290
|dx|, |dy| < 0.02
|dx – dy| < 0.02

Luminance(Y)

80 20/-10 cd/m2

Gamma(S-g – simple gamma)

2.2 0.2/-0.2
B4.2.R.2 Liquid Crystal Display (LCD) complies with Windows Color Quality Specifications

Color matching capabilities supported in a color liquid crystal display must comply with the requirements defined in Section 4 of "Windows Color Quality Specifications for Liquid Crystal Display OEMs,” available at http://www.microsoft.com/hwdev/color/. Standalone LCDs are required to use the in gamut patches specified for stand alone LCDs in Section 2 of "Windows Color Quality Specifications for Liquid Crystal Display OEMs." Integrated (laptop) LCDs are required to use the in gamut patches specified for integrated LCDs in Section 2 of "Windows Color Quality Specifications for Liquid Crystal Display OEMs.” In particular, the following Delta E tolerances must be met:

Average CIE 1994 Delta E* less than or equal to 10 for in gamut colors.


Maximum CIE 1994 Delta E* less than or equal to 15 for in gamut colors.
Average CIE 1994 Delta E* less than or equal to 20 for IEC 61966-4 colors.
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