Even if you buy the newest ATA133 drive, it will still work in an old Performa 630 on the internal IDE bus (with a limited space capacity)
There's the issue. Yes, the drives are backwards compatible, IF you don't have a great big drive. Mine's a 200 GB drive, and I can't use it to its fullest with an older controller.
You don't necessarily need the newest fastest card. What is your bus speed and processor speed? If you are running a 200Mhz 604 with a 40Mhz bus, then you probably won't see the best results from a 133 card.
Well, I've got a big honkin' drive. 200 GB. From what I understand, you need an ATA-6 controller that uses 48 bit addressing to see all that space.
So, an ATA/133 card is required.
I've got a dual 604e/200 installed (the original single 200 MHz card is around somewhere) on a 50 MHz bus, but I'm waiting on a G3 upgrade to arrive. I don't care so much about throughput, I just want to see the entire drive.
Speed comparisons can be found on xlr8yourmac.com from various cards and most cards will handle two drives in master/slave mode with a performance hit when you use 2 drives.
Well, I went there first, actually. I didn't see any head-to-head comparisons of ATA/133 cards... There were some OS X RAID vs. ATA/133 hardware raRAID comparisons, but that was all I saw. If I'm missing something, do please let me know!
Peace, Drew
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