https://gunkies.org/index.php?action=history&feed=atom&title=RA90_disk_drive
RA90 disk drive - Revision history
2026-10-03T07:09:43Z
Revision history for this page on the wiki
MediaWiki 1.43.9
https://gunkies.org/w/index.php?title=RA90_disk_drive&diff=31360&oldid=prev
Jnc: New cat
2023-08-31T01:13:52Z
<p>New cat</p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ''Disk Drive Technology Improvements in the RA90'', in [[Digital Technical Journal|DTJ]] [http://www.dtjcd.vmsresource.org.uk/pdfs/dtj_v01-08_feb1989.pdf Number 8, February 1989] (pp. 48-62)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ''Disk Drive Technology Improvements in the RA90'', in [[Digital Technical Journal|DTJ]] [http://www.dtjcd.vmsresource.org.uk/pdfs/dtj_v01-08_feb1989.pdf Number 8, February 1989] (pp. 48-62)</div></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Category: <del style="font-weight: bold; text-decoration: none;">MSCP </del>Disk Drives]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Category: <ins style="font-weight: bold; text-decoration: none;">SDI </ins>Disk Drives]]</div></td></tr>
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Jnc
https://gunkies.org/w/index.php?title=RA90_disk_drive&diff=31084&oldid=prev
Jnc: Jnc moved page RA90 to RA90 disk drive: Apparent formal DEC name
2023-08-15T15:49:15Z
<p>Jnc moved page <a href="/wiki/RA90" class="mw-redirect" title="RA90">RA90</a> to <a href="/wiki/RA90_disk_drive" title="RA90 disk drive">RA90 disk drive</a>: Apparent formal DEC name</p>
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Jnc
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Jnc: /* External links */ +Manuals; new cat
2023-08-15T15:46:52Z
<p><span class="autocomment">External links: </span> +Manuals; new cat</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:46, 15 August 2023</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>1.216 GB (formatted) [[<del style="font-weight: bold; text-decoration: none;">SDI</del>]] [[<del style="font-weight: bold; text-decoration: none;">Winchester </del>disk]]. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The '''RA90 disk drive''' was a </ins>1.216 GB (formatted) [[<ins style="font-weight: bold; text-decoration: none;">Standard Disk Interconnect</ins>]] [[<ins style="font-weight: bold; text-decoration: none;">non-removable-media </ins>disk<ins style="font-weight: bold; text-decoration: none;">]] from [[Digital Equipment Corporation|DEC</ins>]]. </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Specifications==</ins></div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 2,649 User Cylinders</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 2,649 User Cylinders</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Category:MSCP Disk Drives]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==External links==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [http://www.vaxhaven.com/images/4/42/EK-ORA90-UG-002.pdf RA90/RA92 Disk Drive User Guide] (EK–ORA90–UG–002)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [http://bitsavers.org/pdf/dec/disc/ra90/EK-ORA90-SV-003_RA90_RA92_Service_Jun90.pdf RA90/RA92 Disk Drive Service Manual] (EK-ORA90-SV-003)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [http://www.vaxhaven.com/images/8/81/EK-RA90H-IN-002.pdf RA90/RA92/H9643 Cabinet Installation Guide] (EK-RA90H-IN-002)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* ''Disk Drive Technology Improvements in the RA90'', in [[Digital Technical Journal|DTJ]] [http://www.dtjcd.vmsresource.org.uk/pdfs/dtj_v01-08_feb1989.pdf Number 8, February 1989] (pp. 48-62)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Category: MSCP Disk Drives<ins style="font-weight: bold; text-decoration: none;">]]</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category: DEC Non-removable-media Disks</ins>]]</div></td></tr>
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Jnc
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Vaxorcist: New cat
2023-08-14T16:15:57Z
<p>New cat</p>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Category:<del style="font-weight: bold; text-decoration: none;">DEC </del>Disk Drives]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Category:<ins style="font-weight: bold; text-decoration: none;">MSCP </ins>Disk Drives]]</div></td></tr>
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Vaxorcist
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Vaxorcist: Two links added
2022-08-20T20:03:04Z
<p>Two links added</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:03, 20 August 2022</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>1.216 GB (formatted) SDI Winchester disk. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>1.216 GB (formatted) <ins style="font-weight: bold; text-decoration: none;">[[</ins>SDI<ins style="font-weight: bold; text-decoration: none;">]] [[</ins>Winchester disk<ins style="font-weight: bold; text-decoration: none;">]]</ins>. </div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 2,649 User Cylinders</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 2,649 User Cylinders</div></td></tr>
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Vaxorcist
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Vaxorcist: Basic RA90 data
2022-06-16T20:48:41Z
<p>Basic RA90 data</p>
<p><b>New page</b></p><div>1.216 GB (formatted) SDI Winchester disk. <br />
<br />
* 2,649 User Cylinders<br />
* 14 Heads (13 data + 1 servo)<br />
* 69 Sectors (+ 1 spare)<br />
* 2,376,153 User Blocks<br />
* 19 ms Average Seek<br />
* 8.33 ms Average Latency<br />
<br />
{{stub}}<br />
<br />
[[Category:DEC Disk Drives]]</div>
Vaxorcist