Re: video capture card on lc575? -- Welcome to the Colo(u)r Classic Forum

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Date Posted: 08:34:54 12/05/01 Wed
Author: Chris
Subject: Re: video capture card on lc575?
In reply to: Lang 's message, "video capture card on lc575?" on 02:55:47 12/05/01 Wed

�15 for two 512K VRAM SIMMs would be outrageous - though not unheard of - in the US. In the UK it's probably not so bad.

Keep in mind that the 660 AV used some serious on-board hardware to do all that processing. It had twin 55MHz AT&T 3210 DSPs, the same DSPs (but slower) as Radius and SuperMac used on their Thunder series of Photoshop accelerators. By passing off so much of the work to these DSP chips, the CPU was freed up to do other stuff (mostly coordinate tasks between the DSPs, RAM, the hard disk, and the video inputs), which enabled Apple to get away with using a 25MHz 040 for the low-end AV Mac. The Quadra 840 AV was a totally different story. That beast ran at 40MHz, fastest of all 68K Macs, and had the fastest NuBus of any Mac ever made. A good number of them are still in commercial video production studios from what I've heard.

With that in mind, MISUTHiKU (where'd he go, anyway?) has a TV tuner card in the PDS slot of one of his Mystics. It would be a fairly simple task to replace that with an LC-PDS video capture card (and indeed, the TV tuner he has may be able to do some limited capture functions), but don't expect to get anything more than, say, webcam-type usage out of it. You aren't going to be making the next Star Wars on there :)

cl

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Re: video capture card on lc575? -- lang, 15:52:50 12/05/01 Wed