Re: [M100] question regarding floppy disks.

2019-03-25 Thread Stephen Adolph
uation. > > > - Original Message - > From: Stephen Adolph > To: m...@bitchin100.com > Sent: Monday, March 25, 2019 12:29 PM > Subject: Re: [M100] question regarding floppy disks. > > > Thanks Mike, that must be the answer. > > > I notice that the formatting p

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Mike Stein
telligent' drives may even detect an error and suppress the ready or index signals when they see this situation. - Original Message - From: Stephen Adolph To: m...@bitchin100.com Sent: Monday, March 25, 2019 12:29 PM Subject: Re: [M100] question regarding floppy disks. Thanks Mike, th

Re: [M100] question regarding floppy disks.

2019-03-25 Thread MikeS
... But it's actually 256 bytes/sector, 18 sectors/track, 35 tracks ... ;-) - Original Message - From: Mike Stein To: m...@bitchin100.com Sent: Monday, March 25, 2019 12:28 PM Subject: Re: [M100] question regarding floppy disks. Sounds similar to the original IBM 5.25

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Stephen Adolph
(and use HD write current) and I suspect that's why Steve's having trouble. > > 3.5" DD diskettes are still around; why not use the right media in the > first place. > > m > > ----- Original Message - > *From:* Kurt McCullum > *To:* m100@lists.bitchin100.com >

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Mike Stein
Sounds similar to the original IBM 5.25" format, single-sided, 512 bytes/sector, 8 sectors/track, 40 tracks, 250Kbps. - Original Message - From: Stephen Adolph To: m...@bitchin100.com Sent: Monday, March 25, 2019 11:54 AM Subject: Re: [M100] question regarding floppy

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Mike Stein
5, 2019 11:02 AM Subject: Re: [M100] question regarding floppy disks. Yeah that does sound strange. And I agree, the drive 'should' switch based on the hole in the disk. Does it format to 720 or 1.44 when the hole is covered? On Mon, Mar 25, 2019, at 7:37 AM, Stephen Adolph wrote: Kurt,

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Stephen Adolph
ein wrote: > > > Have you tried closing the HD sense hole with a piece of tape or similar? > > - Original Message - > *From:* Stephen Adolph > *To:* m...@bitchin100.com > *Sent:* Sunday, March 24, 2019 6:08 PM > *Subject:* Re: [M100] question regarding floppy disks.

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Kurt McCullum
gt; >>> On Sun, Mar 24, 2019 at 7:39 PM Mike Stein wrote: >>>> __ >>>> Have you tried closing the HD sense hole with a piece of tape or similar? >>>>> - Original Message - >>>>> *From:* Stephen Adolph <mailto:twospru...@gma

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Kurt McCullum
- Original Message - >>> *From:* Stephen Adolph <mailto:twospru...@gmail.com> >>> *To:* m...@bitchin100.com >>> *Sent:* Sunday, March 24, 2019 6:08 PM >>> *Subject:* Re: [M100] question regarding floppy disks. >>> >>> the Coco

Re: [M100] question regarding floppy disks.

2019-03-25 Thread Stephen Adolph
l Message ----- > *From:* Stephen Adolph > *To:* m...@bitchin100.com > *Sent:* Sunday, March 24, 2019 6:08 PM > *Subject:* Re: [M100] question regarding floppy disks. > > the Coco is using it's standard controller > > When issuing the DSKINI 0 command the coco tries to for

Re: [M100] question regarding floppy disks.

2019-03-24 Thread Willard Goosey
In article , Stephen Adolph wrote: > I'll start by saying this isn't an M100 or TPDD discussion, but just > looking to understand something. > I have a Tandy Coco3 with a 3.5 inch floppy drive. The drive is a > standard PC drive and it is working well. > Does anyone know what's going on?

Re: [M100] question regarding floppy disks.

2019-03-24 Thread Mike Stein
The controller/computer probably can't handle the higher data rate of the HD format (twice the DD rate). - Original Message - From: Stephen Adolph To: m...@bitchin100.com Sent: Sunday, March 24, 2019 9:32 PM Subject: Re: [M100] question regarding floppy disks

Re: [M100] question regarding floppy disks.

2019-03-24 Thread Gregory McGill
; *To:* m...@bitchin100.com >> *Sent:* Sunday, March 24, 2019 6:08 PM >> *Subject:* Re: [M100] question regarding floppy disks. >> >> the Coco is using it's standard controller >> >> When issuing the DSKINI 0 command the coco tries to format for 180kB. >>

Re: [M100] question regarding floppy disks.

2019-03-24 Thread Stephen Adolph
lar? > > - Original Message - > *From:* Stephen Adolph > *To:* m...@bitchin100.com > *Sent:* Sunday, March 24, 2019 6:08 PM > *Subject:* Re: [M100] question regarding floppy disks. > > the Coco is using it's standard controller > > When issuing the DSKINI 0

Re: [M100] question regarding floppy disks.

2019-03-24 Thread Mike Stein
Have you tried closing the HD sense hole with a piece of tape or similar? - Original Message - From: Stephen Adolph To: m...@bitchin100.com Sent: Sunday, March 24, 2019 6:08 PM Subject: Re: [M100] question regarding floppy disks. the Coco is using it's standard controller

Re: [M100] question regarding floppy disks.

2019-03-24 Thread Stephen Adolph
the Coco is using it's standard controller When issuing the DSKINI 0 command the coco tries to format for 180kB. The combination of (Coco, std controller, PC 1.44MB drive + a 720kB dd floppy) works whereas (Coco, std controller, PC 1.44MB drive + a 1.44MBB hd floppy) does not work this is

Re: [M100] question regarding floppy disks.

2019-03-24 Thread Gregory McGill
likely the floppy controller doesn't support 80 tracks or high density.. most of the controllers of the era are ds/sd 40 track or dsdd 40 track.. are you able to format 720k? ds/dd 80 track? Greg On Sun, Mar 24, 2019 at 2:38 PM Stephen Adolph wrote: > I'll start by saying this isn't an M100

[M100] question regarding floppy disks.

2019-03-24 Thread Stephen Adolph
I'll start by saying this isn't an M100 or TPDD discussion, but just looking to understand something. I have a Tandy Coco3 with a 3.5 inch floppy drive. The drive is a standard PC drive and it is working well. Seems though that I cannot use 1.44 MB floppies in that drive. They don't seem to