alex@sapphire.idbsu.edu (Alex Feldman) (02/28/91)
We bought a 1.2 GByte HP SCSI disk through a distributor (apparantly the only way you can buy these). It arrived without any sort of documentation beyond "This Side Up". I plugged it into the 660s enclosure we have connected to a 9000/400t, which presently has a 660 MByte drive (our system disk) attached to it. We have not been able to access the disk. I have not tried all 32 possible jumper combinations, so perhaps I am missing something there. I am almost certain that I got the select code (14), major numbers (47 char, 7 block) and minor number (0x0e0400) correct. I did two mknod's (one in /dev/dsk, one in /dev/rdsk), and tried to do a mediainit, but it claimed that the disk was inaccessible. I also tried to do an OS install directly onto that disk (which is what I really want to do, eventually), with several SCSI bus addresses, including 6 (which according to the 660s manual is what a system disk must be set at), but nothing happened. An aside: when I was doing this, and trying to name the disk manually, I tried to use the major number for the raw device, namely 47... but install wouldn't take that, so I gave it 7. The new disk did get strobed when the 660s was powered up. When I rebooted the machine in ROM mode (or whatever that is where you get to choose the system from which to boot), it did complain about read errors on that disk (not to surprising for a new disk). I did pull off all five jumpers on the pins that the plug fits over from the enclosure... three of those are the bus address, so I figure they're OK, and the plug wouldn't fit otherwise. Likewise I pulled out three IC's mounted under the SCSI connector which look for all the world like terminating resistors. They weren't on the existing disk, the way the enclosure is built it doesn't look like you need them, and again, the SCSI connector wouldn't fit with those in the way. Any ideas? I'm stumped. -- --alex alex@opal.idbsu.edu Boise State University doesn't have any opinions. Therefore, these are not the opinions of Boise State University.