https://revspace.nl/index.php?title=File:ZX81%2B35_REV_4.0.pdf&feed=atom&action=historyFile:ZX81+35 REV 4.0.pdf - Revision history2024-03-28T09:26:33ZRevision history for this page on the wikiMediaWiki 1.32.1https://revspace.nl/index.php?title=File:ZX81%2B35_REV_4.0.pdf&diff=15356&oldid=prevDaveBot: Addig to category2017-07-02T19:56:26Z<p>Addig to category</p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 19:56, 2 July 2017</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; 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>New schematic which has the edge connector rotated 180 degrees, to correspond with the layout which has to get the same correction to correspond to the original ZX81 which has pin 1 on the left hand side (bottom side for the ZX81+35)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; 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>New schematic which has the edge connector rotated 180 degrees, to correspond with the layout which has to get the same correction to correspond to the original ZX81 which has pin 1 on the left hand side (bottom side for the ZX81+35)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; 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>also the edge connector clock is now a permanent 3.25 MHz instead of simply the CPU clock (which can switch from 3.25 to 6.5MHz, which is a problem for the PSG.</div></td><td class='diff-marker'>+</td><td style="color: #222; 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>also the edge connector clock is now a permanent 3.25 MHz instead of simply the CPU clock (which can switch from 3.25 to 6.5MHz, which is a problem for the PSG. <ins class="diffchange diffchange-inline">[[Category:Pictures]]</ins></div></td></tr>
</table>DaveBothttps://revspace.nl/index.php?title=File:ZX81%2B35_REV_4.0.pdf&diff=9893&oldid=prevMahjongg: New schematic which has the edge connector rotated 180 degrees, to correspond with the layout which has to get the same correction to correspond to the original ZX81 which has pin 1 on the left hand side (bottom side for the ZX81+35)
also the edge conn...2016-08-21T23:24:54Z<p>New schematic which has the edge connector rotated 180 degrees, to correspond with the layout which has to get the same correction to correspond to the original ZX81 which has pin 1 on the left hand side (bottom side for the ZX81+35) also the edge conn...</p>
<p><b>New page</b></p><div>New schematic which has the edge connector rotated 180 degrees, to correspond with the layout which has to get the same correction to correspond to the original ZX81 which has pin 1 on the left hand side (bottom side for the ZX81+35)<br />
also the edge connector clock is now a permanent 3.25 MHz instead of simply the CPU clock (which can switch from 3.25 to 6.5MHz, which is a problem for the PSG.</div>Mahjongg