http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=North_Star_MDS-A-D 2026-05-19T07:35:27Z Revision history for this page on the wiki MediaWiki 1.19.2 http://fileformats.archiveteam.org/index.php?title=North_Star_MDS-A-D&diff=33269&oldid=prev 2019-09-07T03:29:31Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 03:29, 7 September 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 4:</td> <td colspan="2" class="diff-lineno">Line 4:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=1978</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=1978</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The '''North Star MDS-A-D''' (Micro-Disk System) was a 5 1/4&quot; disk drive for S-100 bus computers (such as the North Star Horizon, but the drive could also be used with computers from other manufacturers) in the late 1970s. It was used with the proprietary North Star DOS as well as with [[CP/M]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The '''North Star MDS-A-D''' (Micro-Disk System) was a 5 1/4&quot; disk drive for S-100 bus computers (such as the North Star Horizon, but the drive could also be used with computers from other manufacturers) in the late 1970s. It was used with the proprietary North Star DOS <ins class="diffchange diffchange-inline">(with the [[North Star DOS file system]]) </ins>as well as with [[CP/M]] <ins class="diffchange diffchange-inline">(with the [[CP/M file system]])</ins>.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>The standard disk format used by North Star DOS had 35 tracks with 10 sectors and 256 bytes per sector. Tracks were numbered from 0 to 34, and sectors were numbered across the entire disk as blocks 0 to 349.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>The standard disk format used by North Star DOS had 35 tracks with 10 sectors and 256 bytes per sector. Tracks were numbered from 0 to 34, and sectors were numbered across the entire disk as blocks 0 to 349.</div></td></tr> </table>

Dan Tobias http://fileformats.archiveteam.org/index.php?title=North_Star_MDS-A-D&diff=33266&oldid=prev 2019-09-07T03:23:11Z

<p>Created page with &quot;{{FormatInfo |formattype=physical |subcat=Floppy disk |released=1978 }} The &#039;&#039;&#039;North Star MDS-A-D&#039;&#039;&#039; (Micro-Disk System) was a 5 1/4&quot; disk drive for S-100 bus computers (such ...&quot;</p> <p><b>New page</b></p><div>{{FormatInfo<br /> |formattype=physical<br /> |subcat=Floppy disk<br /> |released=1978<br /> }}<br /> The '''North Star MDS-A-D''' (Micro-Disk System) was a 5 1/4&quot; disk drive for S-100 bus computers (such as the North Star Horizon, but the drive could also be used with computers from other manufacturers) in the late 1970s. It was used with the proprietary North Star DOS as well as with [[CP/M]].<br /> <br /> The standard disk format used by North Star DOS had 35 tracks with 10 sectors and 256 bytes per sector. Tracks were numbered from 0 to 34, and sectors were numbered across the entire disk as blocks 0 to 349.<br /> <br /> == Links ==<br /> * [http://www.hartetechnologies.com/manuals/Northstar/Northstar_MDS_double%20density_manual.pdf Technical manual]<br /> * [http://www.vcfed.org/forum/archive/index.php/t-45392.html Discussion: North Star DOS]<br /> * [http://www.vcfed.org/forum/archive/index.php/t-47764.html Discussion: North Star CP/M]<br /> * [http://deramp.com/northstar.html North Star Horizon computer info]<br /> * [http://itelsoft.com.au/north_star_manuals/north_star_manuals.html Various North Star manuals]</div>

Dan Tobias