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From: rjn@hpfcso.FC.HP.COM (Bob Niland)
Newsgroups: comp.sys.hp
Subject: Re: HP 9000 floppy drives
Message-ID: <7370346@hpfcso.FC.HP.COM>
Date: 25 Mar 91 19:06:30 GMT
References: <1169@applix.com>
Organization: Hewlett-Packard/FSY Ft.Collins,CO,USA
Lines: 42

re: jim@applix.com (Jim Morton [ext 237]) writes >

> I hooked up a 9122 flexible diskette drive to my 9000/375 machine, and am
> trying to use "mediainit" to format the floppies.  I can't find any
> documentation on the -f format options...can anyone tell me what the
> supported options are and how (if at all) they correspond to what the rest
> of the world (DOS, Xenix, SunOS) calls DS/HD or DS/DD diskettes???  (Oh,
> by the way:  HP-UX 7.0)

Here is the table of floppy formats historically supported by HP workstations.
The current HP 9122C (HP-IB, SS/80) drive supports all of them, although
the Vectra does not, nor does the 9114B portable disk drive.

 ___________________________________________________________________________
| Format    |       | SS/80  |           | Bytes/ |Sectors/| Tracks/ |       |
| Name      | Media | Option |  Capacity | Sector |  Track | Side    | Sides |
|===========|=======|========|===========|========|========|=========|=======|
| HP Single | Blue  |      4 |   270,336 |    256 |     16 |  66(+4) |     1 |
|-----------|-------|--------|-----------|--------|--------|---------|-------|
| HP 630K   | Grey  | 0 or 1 |   630,784 |    256 |     16 |  77(+3) |     2 |
| HP 710K   | Grey  |      2 |   709,632 |    512 |      9 |  77(+3) |     2 |
| IBM 720K  | Grey  |     16 |   737,280 |    512 |      9 |  80(+0) |     2 |
| HP 1K     | Grey  |      3 |   788,480 |   1024 |      5 |  77(+3) |     2 |
|-----------|-------|--------|-----------|--------|--------|---------|-------|
| HP 256/HD | Black | 0 or 1 | 1,261,568 |    256 |     32 |  77(+3) |     2 |
| HP 512/HD | Black |      2 | 1,419,264 |    512 |     18 |  77(+3) |     2 |
| IBM 1.44M | Black |     16 | 1,474,560 |    512 |     18 |  80(+0) |     2 |
| HP 1K/HD  | Black |      3 | 1,576,960 |   1024 |     10 |  77(+3) |     2 |
`----------------------------------------------------------------------------'

  Blue:  Single-side "1/2 Mbyte" density.
         Support of manual-shutter 270K media (Blue) is not required.
  Grey:  Double-sided "1 Mbyte" density.  Supports all Blue formats.
  Black: Double-sided "2 Mbyte" or "HD". Supports all Grey formats.

> please send email and I'll summarize the info here. Thanks.

Also emailed.

Regards,                                              Hewlett-Packard
Bob Niland      Internet: rjn@FC.HP.COM               3404 East Harmony Road
                UUCP: [hplabs|hpfcse]!hpfcrjn!rjn     Ft Collins CO 80525-9599