15 Oct
2001
15 Oct
'01
12:16 p.m.
I don't think the one that he's talking about is SCSI, it plugs directly
into the floppy port on a Mac 128k or Mac 512K. ISTR, using one on a newer
Mac Plus instead of a SCSI drive as I needed something of that formfactor
and that was all I could get my hands on at the time.
Based on how it's used, I'm guessing you're right about it being a MFM
drive, but I suspect it's some wierd sort of bridge in it.
Zane
I think I've got an old Hard Disk 20 and it's
a SCSI device. I'll have to find
the lid to see what it says on it, though. It seems to me that it's an old MFM
drive with a customed up SCSI bridge adapter on it.
Dick
----- Original Message -----
From: "Chris" <mythtech(a)Mac.com>
To: "Classic Computer" <classiccmp(a)classiccmp.org>
Sent: Monday, October 15, 2001 2:39 PM
Subject: IIgs using hard disk 20
Does anyone know if an Apple IIgs can use an old
Macintosh Hard Disk 20.
The Mac HD is NOT scsi, but rather uses the disk drive port on a Mac. It
was designed to work with older non scsi macs (128k 512k), and could be
daisy chained thru the disk drive ports (at one point, I think I had 3 HD
20s and a 400k drive connected to my 128k Mac).
The IIgs has a disk drive port, and visually, the 3.5" drive I have for
it looks just like the 3.5" drive I have off an old Mac Classic (I have
to go off visual, as the one from the Classic has no labels or other
markers beyond the apple logo... don't know why, that is the way it was
when it was given to me).
I was hoping maybe they used the same ports, and I might be able to use
the HD 20 with my IIgs so I can add a hard drive to it.
Anyone info would be great.
-chris
<http://www.mythtech.net>
15 Oct
15 Oct
2:16 p.m.
There are 2 models of that. there's the Hard Disk 20 which had a Mac
floppy interface on it, and the Apple Hard Disk 20 SC which had a SCSI
interface.
At 05:16 PM 10/15/01 -0700, you wrote:
I don't think the one that he's talking about
is SCSI, it plugs directly
into the floppy port on a Mac 128k or Mac 512K. ISTR, using one on a newer
Mac Plus instead of a SCSI drive as I needed something of that formfactor
and that was all I could get my hands on at the time.
Based on how it's used, I'm guessing you're right about it being a MFM
drive, but I suspect it's some wierd sort of bridge in it.
Zane
I think I've got an old Hard Disk 20 and
it's a SCSI device. I'll have
to find
the lid to see what it says on it, though. It
seems to me that it's an
old MFM
> drive with a customed up SCSI bridge adapter on it.
>
> Dick
>
> ----- Original Message -----
> From: "Chris" <mythtech(a)Mac.com>
> To: "Classic Computer" <classiccmp(a)classiccmp.org>
> Sent: Monday, October 15, 2001 2:39 PM
> Subject: IIgs using hard disk 20
>
>
> > Does anyone know if an Apple IIgs can use an old Macintosh Hard Disk 20.
> > The Mac HD is NOT scsi, but rather uses the disk drive port on a Mac. It
> > was designed to work with older non scsi macs (128k 512k), and could be
> > daisy chained thru the disk drive ports (at one point, I think I had 3 HD
> > 20s and a 400k drive connected to my 128k Mac).
> >
> > The IIgs has a disk drive port, and visually, the 3.5" drive I have for
> > it looks just like the 3.5" drive I have off an old Mac Classic (I have
> > to go off visual, as the one from the Classic has no labels or other
> > markers beyond the apple logo... don't know why, that is the way it was
> > when it was given to me).
> >
> > I was hoping maybe they used the same ports, and I might be able to use
> > the HD 20 with my IIgs so I can add a hard drive to it.
> >
> > Anyone info would be great.
> >
> >
> >
> > -chris
> >
> > <http://www.mythtech.net>
> >
> >
>
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