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Re: Apple IIgs AppleTalk and CD-ROM questions
- Subject: Re: Apple IIgs AppleTalk and CD-ROM questions
- From: mjmahon@aol.com (Michael J. Mahon)
- Date: 11 Nov 2004 05:47:03 GMT
- Newsgroups: comp.sys.apple2
- Organization: AOL http://www.aol.com
- References: <41925648$1_3@127.0.0.1>
- Xref: g2news1.google.com comp.sys.apple2:5617
Michael wrote:
>Poster wrote:
>> Heya. As for the CD, I know that 1-2x is about as fast as the IIGS can
>> process the data. Anything other than that is overkill. I read somewhere
>> that the most reliable CD ROMs are the 1-2xers and there were some
>> recommended brands as well. I'd like to say that Sony was among them,
>> but I've since forgotten.
>
>Hmm... the 540 MB hard disk I've got connected should be transferring
>data a lot faster than a 12X CD-ROM. I've got an old CD-300i that I
>could stick in the case (lack of a volume knob or headphone jack isn't a
>problem) and give it a try.
The Apple II peripheral bus has a maximum transfer rate of 1MB/sec.
This can be achieved only with DMA. Any other form of data transfer
will get a fraction of that speed.
-michael
Check out parallel computing for 8-bit Apples on my
Home page: http://members.aol.com/MJMahon/