> Jamie Kahn Genet <jamiekg@wizardling.geek.nz> wrote: > > > Jolly Roger <jollyroger@pobox.com> wrote: > > > > > In article <1ii2p4r.pcnab11p166hpN%jamiekg@wizardling.geek.nz>, > > > jamiekg@wizardling.geek.nz (Jamie Kahn Genet) wrote: > > > > > > > Haha! I found an old Apple Multiple Scan 15av out back and it works > > > > GREAT! :-) Now I just need to find a decent LCD screen that will work > > > > with the iMac's Rage Pro. What resolutions can the Rage Pro support? > > > > ATI's site is useless. > > > > > > You might have a look at http://everymac.com or > > > http://apple.com/support/specs > > > > Nah, they only tell me what resolutions the iMac can support with it's > > built in monitor. In fact the Rage Pro supports others as I can see > > after hooking up the external display. > > > > Strange that a list of resolutions supported by the Rage Pro should be > > so hard to find. Cheers anyway :-) > > MacTracker doesn't know either. > > 1024x768 at 75 Hz will work fine. > > A little back of the envelope calculation suggests that it can't go much > larger than that with only 6 MB of VRAM. It would need 3 MB of VRAM to > do millions of colours at 1024x768. 4.8 MB gets you to 1280x960, but it > wouldn't be able to manage 1680x1050 (typical 20" widescreen) without > dropping to thousands of colours. > > The Rage Pro might reach its limit at a lower resolution, if it can't > handle the bandwidth. It can do 1024x768 at 75 Hz (58.98 Mpix/s), but > might not be able to keep up with 1280x960 at 60 Hz (73.73 Mpix/s).
Yeah, I reckon I'll be happy with 1024x768 in millions on an LCD. Thanks for that :-)
> There is also the question of whether it supports the DDC mechanism for > identifying the video modes supported by a connected monitor, or whether > it is hardwired to the capabilities of the internal display. What > options did it offer with the Multiscan 15AV?
10 'recommended' choices plus another 10 not recommended. Most worked despite a warning, a few didn't at all.
Regards, Jamie Kahn Genet -- If you're not part of the solution, you're part of the precipitate.