[NYK Ace]

im thinking of adding the iBook spanning hack to my iBook 900 but had a few questions

i heard there was a place to dl an apple script just for this but i cant find it, any one got the link?

what is the max external resolution for this hack with both screens on?

everything ive found was in german, anything in english?

[drive-thru]

I did the hack from here on my iBook 800. It is an English version of the German page.
I'm running a flat crt display at 1280 x 960 @ 75Hz (mine can go up to 1280 x 1024 @ 75Hz but I prefer this ratio), as well as my iBook at 1024 x 768, both at millions of colours.

You have to boot up in Open Firmware, Command, Option, O, F keys at startup to do the hack and it can be reset by resetting the NV-Ram (Command, Option, P, R at startup).
All the instructions are on the site, you have to scroll to the iBook Patch. Make sure you print out a copy which you can read while you do it. Don't rely on copy it down to a scrap of paper, if you mess up it could go wrong.

[antisonne]

hey drive thru, I use a 800 ibook too, with 640 ram... I did the hack and noticed my iBook was lagging a little afterwards, even though mirroring was still enabled. Have you experienced this at all? My is a 800 combo with the ATY Rage M7 listed in System Profiler.

[d4nth3m4n]

Originally posted by antisonne:
hey drive thru, I use a 800 ibook too, with 640 ram... I did the hack and noticed my iBook was lagging a little afterwards, even though mirroring was still enabled. Have you experienced this at all? My is a 800 combo with the ATY Rage M7 listed in System Profiler.

did you catch the part about quartz extreme??

[QUOTE]After this patch Quartz Extreme will not be active while using two screens if you have a machine with 16 MB VRAM. This is the same problem as with the Powerbook G4 with 16 MB VRAM. You can fix this issue by changing the value of

GLCompositorMinimumVRAM

in the file


System/Library/Frameworks/ApplicationServices.framework /Versions/A/Frameworks /CoreGraphics.framework /Versions /A/Resources /Configuration.plist
from 16 to 8.

You need special privileges to save changes to this file. You can either do it in OS 9 or log in as root. You can also temporarily change the owner of the file. Use the "Get Info" command in Finder to make yourself owner of the file (remember who owned it before). Then open it with any plain text editor or, if you have the Developer Tools installed, with "Property List Editor". Change the value and save the file. Now you can change the owner back to the one originally set.[QUOTE]

[drive-thru]

My graphics card has 32MB of Ram, not the new ones with DDR though. In System Profiler it also says ATY Rage M7 and Memory is 32MB.
Does your iBook have 32 or 16MB, quartz extreme needs 16MB to run, but I think that it splits to graphics memory 50/50 across the two displays. Try reading the part of the patch that d4nth3m4n quoted. Go back to the page to make sure you get it right though.

[antisonne]

My has 32 Vram. My first assumption was that Quartz was not running, but with 32 it shouldnt be a problem, So I got the quartz checker once I disabled the hack and have never tested it yet. It was just like transparent windows, zoom effects, all those goodies lagging, magnification in dock.

[MoBius]

I run the hack on a 700mhz ibook and it works fine. For some reason sometimes my screen will randomly shake and vibrate (the monitor) but my guess is it isnt the hack because my monitor did it sometimes when i had it plugged into my PC.

[antisonne]

If its a CRT then its most likely the refresh rate or then it just breaking down. Try changing the refresh rate to one close to the range stated on the monitor (should be a tag on the back).