On Monday, May 31, 2004, at 12:46 PM, Nicole wrote:
snip
I can use the drives individually with their factory termination settings. However, I can't get the "new" drive to mount.
"factory termination" settings means either termination turned on or off. Have termination only on the last physical drive on the SCSI cable, furthest away from the motherboard. The other drive should not be terminated.
Also, what SCSI ID is each drive set to. As I think was mentioned earlier, the Apple original drive was set to ID 0, The CD was set for 3. SCSI ID has nothing to do with position on the cable. Make sure that all drives and anything else SCSI attached to your system have unique SCSI IDs, no duplicates.
1. Is it possible there's a problem with the SCSI cable? I've tried moving the drives around, and both connectors <seem> to work okay.
Try the known good drive as the only drive hooked to the scsi cable in both positions.
2. Silly question probably, but the jumpers I have are taller than the original factory one. But, the package is labeled SCSI jumpers. Is height going to make a difference?
No
3. I saw a couple of posts, but I'm still not clear - does it matter in the 7500 where the master is on the SCSI cable?
There is no "Master" in SCSI. If you have not set a Startup disk in the startup disk control panel, the Mac starts looking at the drive with the lowest SCSI ID number for a valid system folder to start up from, regardless of where it is in the SCSI chain.
4. Should I just throw it all in and get a PCI card and install an IDE as a second drive?
It would definitely be faster, but also more expensive. ATA 66 cards go for around 25 on the swap list, and dealmac.com just listed a 40g drive for 29.99 after rebates.
HTH, Len
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