Sorry for the quite late summary, but I had much to do ...
I had asked for a format.dat entry of a DEC RZ55 disk, only one person
tim@boxhill.com (Timothy Jones) has answered. Thanks very much for the
accurate answer. I will inform the administrator of "the anonymous-ftp
format.dat file" also.
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The disks are definitely made by Micropolis. I *think* they're model 1558's.
Here's a format.dat entry I downloaded from the Sun Managers' ftp archive (on
ra.mcs.anl.gov):
disk_type = "Micropolis 1558" \
: ctlr = MD21 \
: ncyl = 1218 : acyl = 2 : pcyl = 1224 : nhead = 15 : nsect = 35 \
: rpm = 3600 : bpt = 20833
You might also want to poke around on the Micropolis BBS (818-709-3310 in the
US).
Tim
--- Timothy Jones internet: tim@boxhill.com Box Hill Systems Corporation voice: 212-989-4455 161 Avenue of the Americas, New York, NY, 10013 fax: 212-989-6817-------------------------------------------------------------------------------
According to this information I have added the following to my format.dat Note that the below entries are just the same as for "Micropolis 1558:, but I wanted to have one special entry for the DEC RZ55 disk.
disk_type = "RZ55" \ : ctlr = SCSI \ : ncyl = 1218 : acyl = 2 : pcyl = 1224 : nhead = 15 : nsect = 35 \ : rpm = 3600 : bpt = 20833
partition = "RZ55, small root" \ : disk = "RZ55" : ctlr = SCSI \ : a = 0, 16275 : b = 31, 32550 : c = 0, 639450 : g = 93, 590625
partition = "RZ55" \ : disk = "RZ55" : ctlr = SCSI \ : a = 0, 32025 : b = 61, 59850 : c = 0, 639450 : g = 175, 547575
Apart from DEC RZ55, I know that other DEC RZ disks are also unknown to most of us. I have an entry for a DEC RZ24 and this looks like:
disk_type = "RZ24" \ : ctlr = SCSI : fmt_time = 4 \ : trks_zone = 8 \ : ncyl = 1344 : acyl = 2 : pcyl = 1348 \ : nhead = 8 : nsect = 38 : rpm = 3497 : bpt = 19456
partition = "RZ24" \ : disk = "RZ24" : ctlr = SCSI \ : a = 0, 0 : b = 0, 0 : c = 0, 409792
regards, Koper -- Koper Zangocyan, Computer Center / Alcatel Austria Forschungszentrum GmbH, Ruthnergasse 1-7, A-1210 Vienna/Austria. Phone: (43)-(1)-391621/121 Email: cc_koper@rcvie.co.at
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