On 08/05/10 10:41, Rich Mellor wrote:
> Does anyone have the details of the standard Sinclair QL disk format
> for a DSDD disk:
I have recently put this very information on the QDOSMSQ website at
http://qdosmsq.dunbar-it.co.uk/doku.php?id=qdosmsq:fs:dsdd in case
anyone (else) is interested.
Rich
Bob Spelten wrote:
> According to DM-5 Disk-Info an ED disk has 10 sectors/track (side), 20
> sectors/cilinder (2 sides) and 80 tracks.
> With 2Kb/sector this comes to 3.2Mb. 18 sectors/track would give only
> 2880Kb, the PC standard.
Now that you mention it, right. QL ED had more space then PC ED
Op Sat, 08 May 2010 13:44:44 +0300 schreef Marcel Kilgus
:
Rich Mellor wrote:
HD - 160 tracks, gives 0.5 (K) x 18 x 160 = 1440K
All QL formats have 80 tracks per disc, DD is 9 sectors per track AND
SIDE (=18 sectors/track), HD is 18 sectors per track and side (=36
sectors/track) and ED is fin
Rich Mellor wrote:
> HD - 160 tracks, gives 0.5 (K) x 18 x 160 = 1440K
All QL formats have 80 tracks per disc, DD is 9 sectors per track AND
SIDE (=18 sectors/track), HD is 18 sectors per track and side (=36
sectors/track) and ED is finally 18 sectors per track and side.
At a typical 300 RPM a DD
On 8 May 2010, at 10:58, Rich Mellor wrote:
>>
>>> Does anyone have the details of the standard Sinclair QL disk format for a
>>> DSDD disk:
>>>
>>> MFM/FM ? number of track , number of side, sector per track, sector size,
>>> bitrate
>>>
>>> From memory - I think it is:
>>>
>>> 80 track
On 08/05/2010 10:58, Rich Mellor wrote:
On 08/05/2010 10:51, gdgqler wrote:
On 8 May 2010, at 10:41, Rich Mellor wrote:
Does anyone have the details of the standard Sinclair QL disk
format for a DSDD disk:
MFM/FM ? number of track , number of side, sector per track, sector
size, bitrate
On 08/05/2010 10:51, gdgqler wrote:
On 8 May 2010, at 10:41, Rich Mellor wrote:
Does anyone have the details of the standard Sinclair QL disk format for a
DSDD disk:
MFM/FM ? number of track , number of side, sector per track, sector size,
bitrate
From memory - I think it is:
80 trac
On 8 May 2010, at 10:41, Rich Mellor wrote:
> Does anyone have the details of the standard Sinclair QL disk format for a
> DSDD disk:
>
> MFM/FM ? number of track , number of side, sector per track, sector size,
> bitrate
>
> From memory - I think it is:
>
> 80 tracks
Yes
> 2 sides
Yes
Does anyone have the details of the standard Sinclair QL disk format
for a DSDD disk:
MFM/FM ? number of track , number of side, sector per track, sector
size, bitrate
From memory - I think it is:
80 tracks
2 sides
Sectors per track?
Sector size 512K
bitrate?
--
Rich Mellor
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