On the Mac, you can use FWB Toolkit to spin them up, but you can't boot off of them. I use it for a couple of 2Gb HP drives I got out of an Auspex. The thing is the RZ23's are only about a 100Mb apiece, as such it isn't worth any expense to make use of them, except in anything other than DEC hardware. In the case of my solution it cost $100-150, and for that you can get a lot larger normal SCSI hard drive. In my case it probably cost me a couple hundred about a year ago (software, external case, and cables), but that got me 4Gb of drives that are faster than what is in this Power Mac I'm using. They were a large enough size that it was worth the expense. I think some drives, includeing the RZ23 have a jumper setting to spin them up, and some PC controllers might do this for you. Zane | Zane H. Healy | UNIX Systems Adminstrator | | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | | healyzh(a)holonet.net (alternate) | Classic Computer Collector | +----------------------------------+----------------------------+ | Empire of the Petal Throne and Traveller Role Playing, | | and Zane's Computer Museum. | | http://www.dragonfire.net/~healyzh/ |