As Mike said there are two models 9114A and 9114B, they are functionally
equivalent, however the B model uses a 1/2 high drive mechanism and I
believe there are changes to the controller as well, but I have only
seen the inside of a B model.
Paul.
On 2024-04-30 8:29 p.m., Mike Katz via cctalk wrote:
I am not familiar with a 9114 only the 9114A and 9114B.
On 4/30/2024 6:15 PM, Mike Stein wrote:
Just wondering: I see 9114 and 9114A being used interchangeably (mine
are 9114s); are they the same or actually different drives?
m
On Tue, Apr 30, 2024 at 5:39 PM Mike Katz via cctalk
<cctalk@classiccmp.org> wrote:
Thank you for your help.
That is the command I am using on the 41 to try and format the disk.
With a directory size of 60.
On 4/30/2024 4:22 PM, Wayne S via cctalk wrote:
> Also this article refers to a set of commands for this drive.
The NEWM command formats a new disk.
> Link is
https://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/articles.cgi?read=78
>
>
> Sent from my iPhone
>
> On Apr 30, 2024, at 14:07, Wayne S <wayne.su...@hotmail.com>
wrote:
>
> What kind of floppies did Hp recommend to use with this drive?
>
> Sent from my iPhone
>
> On Apr 30, 2024, at 13:55, Fred Cisin via cctalk
<cctalk@classiccmp.org> wrote:
>
> On Tue, 30 Apr 2024, John Herron via cctalk wrote:
> Yup, that's all I used to do. Some scotch tape over the floppy
disk hole to
> make the system see it as DD. If it didn't automatically format
as 720, you
> could specify size or sector count with format.com
<http://format.com> in dos.
>
> Somemedia sensors are optical; use opaque taps.
>
> I did hear folks say it wasn't always reliable (similar to 5.25
disks being
> formated on a high density drive) but I never saw any problems
in my
> limited use.
>
> 3.5" are 600 VS 750 oersted;
> 5.25" are 300 vs 600 Oersted;
> a low density 5.25 formatted as "high density" won't do well;
> a high density 5.25" (1.2M) formatted as low density ("360K")
sill self erase VERY soon, sometimes before you can even get it
over to another machine. We had a college purchasing agent in bed
with "Roytype", who kept giving us "1.2M" floppies ofr out TRS80s;
they self erased very soon.
>
> --
> Grumpy Ol' Fred ci...@xenosoft.com
