https://wiki.recessim.com/w/index.php?action=history&feed=atom&title=User%3APrehistoricman 2026-05-05T09:25:09Z Revision history for this page on the wiki MediaWiki 1.34.1 https://wiki.recessim.com/w/index.php?title=User:Prehistoricman&diff=3124&oldid=prev 2025-07-04T17:38:12Z

<p>Add link for PIC16C63A dumping</p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 17:38, 4 July 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l21" >Line 21:</td> <td colspan="2" class="diff-lineno">Line 21:</td></tr> <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>|https://github.com/Prehistoricman/Xbox_SMC/</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>|https://github.com/Prehistoricman/Xbox_SMC/</div></td></tr> <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>|-</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>|-</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>|PIC16C63A dumping</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><ins class="diffchange diffchange-inline">|[[PIC Burnout</ins>|PIC16C63A dumping<ins class="diffchange diffchange-inline">]]</ins></div></td></tr> <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>|Unusual attack required on this chip. Flash can be somewhat overwritten despite code protection.</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>|Unusual attack required on this chip. Flash can be somewhat overwritten despite code protection.</div></td></tr> <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>|https://github.com/Prehistoricman/Xbox_SMC/</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>|https://github.com/Prehistoricman/Xbox_SMC/</div></td></tr> <!-- diff cache key RECESSIM:diff::1.12:old-3097:rev-3124 --> </table>

Prehistoricman https://wiki.recessim.com/w/index.php?title=User:Prehistoricman&diff=3097&oldid=prev 2025-06-30T01:36:39Z

<p>Created page with &quot;{| class=&quot;wikitable&quot; |+ !Project !Description !Links |- |Original Xbox v1.6 RAM upgrade |Upgrading the Xbox to 128MB on the final version, 1.6, is more challenging due to the...&quot;</p> <p><b>New page</b></p><div>{| class=&quot;wikitable&quot;<br /> |+<br /> !Project<br /> !Description<br /> !Links<br /> |-<br /> |Original Xbox v1.6 RAM upgrade<br /> |Upgrading the Xbox to 128MB on the final version, 1.6, is more challenging due to the lack of footprints for the extra memory chips.<br /> I solved this by stacking the extra RAM chips on top of the existing RAM chips.<br /> |https://www.ogxbox.com/forums/index.php?/topic/7548-16-128mb-ram-upgrade-tutorial/#comment-42441<br /> <br /> https://www.youtube.com/watch?v=bcnf3LDe1pw<br /> |-<br /> |Original Xbox 256MB RAM upgrade<br /> |I designed an interposer PCB to adapt the BGA RAM chips to the original Xbox's QFP footprint. 256MB also requires re-configuring the DRAM controller for an extra memory column address bit.<br /> |https://www.ogxbox.com/forums/index.php?/topic/19155-256mb-ram-upgrade-release-and-tutorial/<br /> https://www.youtube.com/watch?v=1idSEhUT4PM<br /> |-<br /> |Xyclops dumping<br /> |Dumped via secret serial interface. Xyclops an the integrated SMC chip used in some original Xboxes.<br /> |https://github.com/Prehistoricman/Xbox_SMC/<br /> |-<br /> |PIC16C63A dumping<br /> |Unusual attack required on this chip. Flash can be somewhat overwritten despite code protection.<br /> |https://github.com/Prehistoricman/Xbox_SMC/<br /> |-<br /> |TMS57070 audio DSP<br /> |Unique late 90's DSP used in various audio equipment. I reverse-engineered the instruction set and wrote an emulator for it.<br /> |https://github.com/Prehistoricman/TMS57070<br /> |-<br /> |AV7300 headset chipset<br /> |Found in Corsair H2100 headset. I reverse-engineered its custom 8-bit CPU. Dumped ROM by blinking the LED<br /> |https://github.com/Prehistoricman/AV7300<br /> |-<br /> |M38258MCM166FP dumping<br /> |Dumped via chained clock glitching (any single glitch was not enough to dump the whole memory)<br /> |<br /> |-<br /> |MN101C28DCC dumping<br /> |Dumped by abusing its external memory pin. An immediate load instruction served externally can load data from the internal memory in this way.<br /> |<br /> |-<br /> |STM8S105K6 dumping<br /> |Dumped by power fault injection to the bootloader to enable memory readout.<br /> |<br /> |}</div>

Prehistoricman