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    <loc>https://chicagolandretrotech.com/blogs/news/new-pickup-atari-2600-bundle</loc>
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      <image:title>New Pickup... Atari 2600 Bundle</image:title>
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    <loc>https://chicagolandretrotech.com/blogs/news/when-two-eprom-programmers-disagree-a-cross-validation-workflow</loc>
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      <image:title>When Two EPROM Programmers Disagree: A Cross-Validation Workflow</image:title>
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    <loc>https://chicagolandretrotech.com/blogs/news/reading-an-eprom-verify-error-a-bit-flip-primer</loc>
    <lastmod>2026-05-22T18:47:00-05:00</lastmod>
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      <image:title>Reading an EPROM Verify Error: A Bit-Flip Primer</image:title>
      <image:caption>DOS hex view of an EPROM byte comparison — bit-flip analysis</image:caption>
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    <loc>https://chicagolandretrotech.com/blogs/news/intermittent-eprom-read-fault-cross-validation-part-2</loc>
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      <image:title>When the gremlin won&apos;t come back: Chasing an intermittent EPROM fault across five programmers</image:title>
      <image:caption>Drawer overview of the cross-validation rig: GQ-4x4, Chicagoland Retro Tech Chip Tester Pro V2, BackBit chip tester, and Atari cartridge interface adapters</image:caption>
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    <loc>https://chicagolandretrotech.com/blogs/news/gq-4x4-vs-xgecu-t48-tl866-comparison</loc>
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      <image:title>GQ-4x4 vs XGECU T48 (the modern TL866): A workshop-bench comparison</image:title>
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    <loc>https://chicagolandretrotech.com/blogs/news/commodore-1526-mps-802-graphics-rom-upgrade</loc>
    <lastmod>2026-05-31T18:01:31-05:00</lastmod>
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      <image:title>Why a Commodore 1526 can&apos;t print graphics—and the community ROM swap that fixes it</image:title>
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