Re: Help: Upgrading a Mac IIvx SCSI drive ?

[sonicptynospam@sirius.com (Sonic Purity & Siber Hussy)]

In article <3409ac5e.0@news1.ibm.net>, sad@utk.edu wrote:

>Hi,
>
> I just pulled a Seagate ST1401N (340 MB SCSI-II) from my PC system
>replacing it with a larger disk. The Seagate worked fine during the last
>3 years. I now meant to put it in my flat mate's older Mac IIvx (the one
>with the 68030 CPU) to replace its Apple 80 MB (Quantum ProDrive ELS)
>disk.
>
>Both drives have the terminators installed, both are set to ID 0 (I
>assume that all pins open on the Quantum means ID 0).
>
>Problem is that the Mac doesn't find it. When booted off the boot floppy 
>the hd initializer (or what ever that is called on the Mac) says it
>doesn't find any appropriate drives.
>
>I recalled that there was something with the term power and tried all
>possibilities (the ST1401N allows to provide term power only from the
>drive (jp 8 closed) or to the bus (jp 7 closed) or take it from the bus
>(upper pins of jp 7 and jp 8 closed)).
>I tried all except term power to bus and term power from drive at the
>same time (jp 7 and jp 8 closed, which according to the manual is
>allowed).
>
>Does anybody have any ideas as to how to get the disk working in the
>Mac? My flat mate would like that step up more than I would care for
>another 340 MB swap space ... :-)
>
> Any pointers and cc's by email are most appreciated!  Cheers! Stefan

1) Termpwr from the bus, or from the drive, but not TO the bus from the
drive, please.
2) Terminated & ID 0 are correct (though ID won't much matter).
3) The problem: Apple HDSC Setup (the Mac formatter) looks for mode page
30 (read only) of the drive firmware to have Apple copyright information,
or it refuses to work. Use a 3rd. party formatter (CharisMac's Anubis,
FWB's Hard Disk Toolkit). Or the hacked version of HDSC Setup (internet, i
know not where) if you must (and you like excitement).
4) Be sure to do a low-level format.

Best wishes,
))Sonic((

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