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Old April 27th 09, 05:27 PM posted to alt.comp.hardware,alt.sys.pc-clone.acer,comp.sys.laptops,uk.comp.sys.laptops
Pete Zahut
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Posts: 25
Default Acer Aspire 5630 Laptop screen/display problem

Paul wrote:
Pete Zahut wrote:
PS, just flashed BIOS from V2.90 to 3.60 and VGA BIOS from Intel
V1264 to V1377 - but no different.


If you run the monitor info program here, without the external monitor
connected, and with just the internal LCD panel, does it say the
panel is 1280 x 800 ? An EDID might be a way for the laptop
manufacturer, to provide plug and play info about the panel,
its native size and resolutions. Not having an EDID on some
I2C bus, is not the end of the world, and is not a defect.

http://www.entechtaiwan.com/util/moninfo.shtm


Right Paul, we're getting into major stuff that I know nothing about here
mate )

Having run the moninfo program you mention above, there seems to be varying
info (mentions Philips, NEC, Microsoft - can't all have manufactured it can
they?) so I'll apologise now for making this post so long but I thought
you'd need all the info. Here's a "cut and paste" from that program:

MS_0003 (Registry*)

Monitor
Windows description...... Digital Flat Panel (1024x768)
Manufacturer............. Microsoft
Plug and Play ID......... MS_0003
Serial number............ 3
Manufacture date......... 2002, ISO week 0
-------------------------
EDID revision............ 1.3
Input signal type........ Digital
Color bit depth.......... Undefined
Display type............. RGB color
Screen size.............. 2550 x 2550 mm
Power management......... Standby, Suspend
Extension blocs.......... None
-------------------------
DDC/CI................... n/a

Color characteristics
Default color space...... sRGB
Display gamma............ 3.55
Red chromaticity......... Rx 0.625 - Ry 0.340
Green chromaticity....... Gx 0.285 - Gy 0.605
Blue chromaticity........ Bx 0.148 - By 0.063
White point (default).... Wx 0.281 - Wy 0.309
Additional descriptors... None

Timing characteristics
Horizontal scan range.... 0-235kHz
Vertical scan range...... 0-60Hz
Video bandwidth.......... 70MHz
CVT standard............. Not supported
GTF standard............. Supported
Additional descriptors... None
Preferred timing......... Yes
Native/preferred timing.. 1024x768p at 60Hz
Modeline............... "1024x768" 65.000 1024 1048 1184 1344 768 769
775 806 -hsync -vsync

Standard timings supported

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &&&&&&&&&&

LPL0000 (registry)

Monitor
Windows description...... Plug and Play Monitor
Manufacturer............. LPL
Plug and Play ID......... LPL0000
Data string.............. LGPhilipsLCD LP154W01-TLA1
Serial number............ n/a
Manufacture date......... 2005, ISO week 0
-------------------------
EDID revision............ 1.2
Input signal type........ Digital
Color bit depth.......... Undefined
Display type............. RGB color
Screen size.............. 330 x 210 mm (15.4 in)
Power management......... Not supported
Extension blocs.......... None
-------------------------
DDC/CI................... n/a

Color characteristics
Default color space...... Non-sRGB
Display gamma............ 2.20
Red chromaticity......... Rx 0.590 - Ry 0.344
Green chromaticity....... Gx 0.323 - Gy 0.534
Blue chromaticity........ Bx 0.156 - By 0.138
White point (default).... Wx 0.313 - Wy 0.328
Additional descriptors... None

Timing characteristics
Range limits............. Not available
GTF standard............. Not supported
Additional descriptors... None
Preferred timing......... Yes
Native/preferred timing.. 1280x800p at 60Hz
Modeline............... "1280x800" 71.250 1280 1328 1360 1440 800 802
808 823 -hsync -vsync

Standard timings supported

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &&&&&&&&&

NEC61BE (registry)

Monitor
Windows description...... Plug and Play Monitor
Manufacturer............. NEC
Plug and Play ID......... NEC61BE
Serial number............ 1278
Manufacture date......... 2001, ISO week 27
-------------------------
EDID revision............ 1.3
Input signal type........ Digital
Color bit depth.......... Undefined
Display type............. RGB color
Screen size.............. 2550 x 2550 mm
Power management......... Standby, Suspend
Extension blocs.......... None
-------------------------
DDC/CI................... n/a

Color characteristics
Default color space...... sRGB
Display gamma............ 3.55
Red chromaticity......... Rx 0.625 - Ry 0.340
Green chromaticity....... Gx 0.285 - Gy 0.605
Blue chromaticity........ Bx 0.148 - By 0.063
White point (default).... Wx 0.281 - Wy 0.309
Additional descriptors... None

Timing characteristics
Horizontal scan range.... 27-60kHz
Vertical scan range...... 56-75Hz
Video bandwidth.......... 90MHz
CVT standard............. Not supported
GTF standard............. Not supported
Additional descriptors... None
Preferred timing......... Yes
Native/preferred timing.. 1024x768p at 75Hz
Modeline............... "1024x768" 81.800 1024 1080 1192 1360 768 769
772 802 -hsync +vsync
Detailed timing #1....... 640x480p at 56Hz
Modeline............... "640x480" 22.220 640 656 720 800 480 481 484
496 -hsync +vsync

Standard timings supported

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &&&&&&&

NUL0001 (registry)

Monitor
Windows description...... Plug and Play Monitor
Manufacturer............. NUL
Plug and Play ID......... NUL0001
Serial number............ 1
Manufacture date......... 2002, ISO week 32
-------------------------
EDID revision............ 1.3
Input signal type........ Analog 0.700,0.300 (1.0V p-p)
Sync input support....... Separate
Display type............. RGB color
Screen size.............. 340 x 270 mm (17.1 in)
Power management......... Standby, Suspend
Extension blocs.......... None
-------------------------
DDC/CI................... n/a

Color characteristics
Default color space...... Non-sRGB
Display gamma............ 1.00
Red chromaticity......... Rx 0.609 - Ry 0.352
Green chromaticity....... Gx 0.303 - Gy 0.550
Blue chromaticity........ Bx 0.148 - By 0.128
White point (default).... Wx 0.305 - Wy 0.342
Additional descriptors... None

Timing characteristics
Range limits............. Not available
GTF standard............. Not supported
Additional descriptors... None
Preferred timing......... Yes
Native/preferred timing.. 1280x1024p at 60Hz (5:4)
Modeline............... "1280x1024" 108.000 1280 1328 1440 1688 1024
1025 1028 1066 +hsync +vsync

Standard timings supported
720 x 400p at 70Hz - IBM VGA
640 x 480p at 60Hz - IBM VGA
640 x 480p at 72Hz - VESA
640 x 480p at 75Hz - VESA
800 x 600p at 56Hz - VESA
800 x 600p at 60Hz - VESA
800 x 600p at 72Hz - VESA
800 x 600p at 75Hz - VESA
1024 x 768p at 60Hz - VESA
1024 x 768p at 70Hz - VESA
1024 x 768p at 75Hz - VESA
1280 x 1024p at 75Hz - VESA
1280 x 1024p at 60Hz - VESA STD

Sorry again for such a long post.

This article mentions that the BIOS can declare some info
about the panel, using an ACPI entry. The BIOS passes ACPI tables
to the operating system. You can look in Device Manager, or
alternately, use Everest Free Edition, to dump a text file
with a lot of that stuff.

http://www.microsoft.com/whdc/archiv...ledisplay.mspx

http://majorgeeks.com/download4181.html


Everest says that it doesn't fully support my chipset (Intel Calistoga
i945GM/PM) but it's probably just as well or there would be much more info
)

I also noticed, when looking at the Intel driver on the
Acer 5630 download page (acer.co.uk), that it has an option
to define the resolution and refresh rate during installation.
Which is a pretty strange option to see. You'd think that
info would be fixed in some other way. Maybe it is for
development purposes or something, or used to override
some default ?

Paul


Thanks again for your time mate,

Pete