Re: New to list with questions

Thomas Martin Sun, 23 Jan 2005 14:14:53 -0800

The add on SCSI cards are typically faster. Built in is only SCSI2, which is 10 MB/Sec. The higher end cards like the 2940 are 40, (Ultra Wide), and there is 80 MB/Sec, the 29160/29160N will do 160 MB/Sec, and now there is out 320 MB/Sec. The 2940 PC version cards are cheap and plentiful and will deliver 2x performance compared to the built in internal SCSI on any Mac that had it built on the MoBo. And it functions with OSX if you want to use it. I have flashed a couple with no issues.

IDE is only cheap, but a dog on speed in comparison to SCSI. Not saying it is slow, but when you use 29160 cards or better, it is.... Most people don't need the higher data speeds. Only your graphics designers and audio/video guru's who deal in super large files and don't want to waste a ton of time need it. Also SCSI drives come in 7200, 10000 and 15000 rpm speeds. IDE is still limited to 7200 (why? I don't know....costs??)

ATA133 is said to be 133 MB/Sec, it isn't. It is more like 50 MB/Sec. It still blows away SCSI2. But the cost for the space is hard to beat compared to SCSI. SCSI uses a standalone processor to manage the data, IDE uses the computer's processor. It can't and never will compare with SCSI. They are just 2 different classes.

Tom

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73's
Tom N�DIH

On Jan 23, 2005, at 4:03 PM, Steve Haybeck wrote:

Hi Mike,
If SCSI is already on board why get an adapter card?  Will OS X work on
a 7600?  How about with a Processor upgrade? My 7600 is all SCSI and my
G3 has a on board 50 pin scsi connection.

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Re: New to list with questions

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