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Document Dell SE2722HX working at 15kHz, link NEC 1970NXp and Dell externally

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retro/amiga-hardware-landscape/index.njk
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<li><strong>MiSTer with the <a href="/retro/mist-mister-fpga/">Minimig-AGA core</a></strong>, the most hardware-authentic option. Native resolution tops out around 800×600, with RTG (Picasso96) support pushing that up to 1080p. Timing accuracy and near-zero input latency make it the pick for demos and cycle-sensitive software.</li> <li><strong>MiSTer with the <a href="/retro/mist-mister-fpga/">Minimig-AGA core</a></strong>, the most hardware-authentic option. Native resolution tops out around 800×600, with RTG (Picasso96) support pushing that up to 1080p. Timing accuracy and near-zero input latency make it the pick for demos and cycle-sensitive software.</li>
<li><strong>Amiberry on a Raspberry Pi</strong>, the flexible option. Running headless (no X11 desktop, straight from the console/KMS framebuffer) is the single biggest performance lever, the difference between a laggy desktop and a snappy 60fps Workbench.</li> <li><strong>Amiberry on a Raspberry Pi</strong>, the flexible option. Running headless (no X11 desktop, straight from the console/KMS framebuffer) is the single biggest performance lever, the difference between a laggy desktop and a snappy 60fps Workbench.</li>
<li><strong>The HDF minefield</strong>, hard disk image files either carry an RDB partition table or they don't, and getting the geometry parameters (surfaces/sectors/reserved blocks) wrong produces the classic "Not a DOS disk in device DH0" error. Reformatting through HDToolBox from a fresh install is often faster than debugging geometry math.</li> <li><strong>The HDF minefield</strong>, hard disk image files either carry an RDB partition table or they don't, and getting the geometry parameters (surfaces/sectors/reserved blocks) wrong produces the classic "Not a DOS disk in device DH0" error. Reformatting through HDToolBox from a fresh install is often faster than debugging geometry math.</li>
<li><strong>Picking a monitor</strong>, a 4:3 panel at native 1280×1024 (like an older NEC MultiSync) gives the most period-accurate Workbench experience; anything widescreen needs scaling compromises.</li> <li><strong>Picking a monitor</strong>, a 4:3 panel at native 1280×1024 (like an older <a href="https://www.nec-display.com/" target="_blank">NEC MultiSync 1970NXp</a>) gives the most period-accurate Workbench experience; anything widescreen needs scaling compromises.</li>
</ul> </ul>
<h2>When to choose MiSTer</h2> <h2>When to choose MiSTer</h2>
retro/atari-monitor-compatibility/index.njk
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<h2>Panel Technology Matters More Than You'd Think</h2> <h2>Panel Technology Matters More Than You'd Think</h2>
<ul> <ul>
<li><strong>MVA/PVA panels</strong>, the surprise winners. Their flexible crystal alignment tolerates unusual 15kHz signals far better than standard panels. A NEC MultiSync LCD1970NXp with an MVA panel handles Medium-Res colour reliably, once you fine-tune the H.Size setting.</li> <li><strong>MVA/PVA panels</strong>, the surprise winners. Their flexible crystal alignment tolerates unusual 15kHz signals far better than standard panels. A <a href="https://www.nec-display.com/" target="_blank">NEC MultiSync LCD1970NXp</a> with an MVA panel handles Medium-Res colour reliably, once you fine-tune the H.Size setting.</li>
<li><strong>IPS panels</strong>, a mixed bag. Some work (a widescreen Lenovo ThinkVision LT1952p reportedly fills the screen beautifully via an ST2VGA adapter), others don't, and there's no way to tell without testing.</li> <li><strong>IPS panels</strong>, a mixed bag. Some work (a widescreen Lenovo ThinkVision LT1952p reportedly fills the screen beautifully via an ST2VGA adapter), others don't, and there's no way to tell without testing.</li>
<li><strong>VA panels</strong>, a dead end. Modern VA displays like the Dell SE2722HX and SE2422HX have a minimum horizontal frequency of 30kHz, ruling out native 15kHz signals entirely.</li> <li><strong>VA panels</strong>, hit and miss. The spec sheets often quote a 30kHz minimum, but panels aren't always strict about it. A <a href="https://www.amazon.de/dp/B0957KH8X7/" target="_blank">Dell SE2722HX 27</a> drives my Atari Mega ST 4 "Low" colour modes fine at 15kHz, so don't trust the "supports VGA" line, test the actual model.</li>
<li><strong>The universal fix</strong>, an Open Source Scan Converter (OSSC) upsamples the 15kHz signal for any HDMI monitor, at the cost of extra hardware and money.</li> <li><strong>The universal fix</strong>, an Open Source Scan Converter (OSSC) upsamples the 15kHz signal for any HDMI monitor, at the cost of extra hardware and money.</li>
</ul> </ul>
retro/retro-corner-snapshot/index.njk
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<p>What started with childhood memories of an Atari ST and an Amiga 500 turned into a full-blown home retro-computing corner after 2020. Here's a snapshot of the whole setup, which machines are actually set up and running right now, and which are boxed and ready to use on demand.</p> <p>What started with childhood memories of an Atari ST and an Amiga 500 turned into a full-blown home retro-computing corner after 2020. Here's a snapshot of the whole setup, which machines are actually set up and running right now, and which are boxed and ready to use on demand.</p>
<h2>The study</h2> <h2>The study</h2>
<p>The study holds the bulk of the serious gear. The <a href="/retro/mist-mister-fpga/">MiSTer FPGA</a> and the MiST FPGA are set up here, both connected to a NEC 1970NXp. The <a href="/retro/atari-mega-st-fleet/">Mega ST 4 "Low"</a> machine is set up and running on a Dell monitor that can handle 15kHz, serving as the demo- and game-machine.</p> <p>The study holds the bulk of the serious gear. The <a href="/retro/mist-mister-fpga/">MiSTer FPGA</a> and the MiST FPGA are set up here, both connected to a <a href="https://www.nec-display.com/" target="_blank">NEC 1970NXp</a>. The <a href="/retro/atari-mega-st-fleet/">Mega ST 4 "Low"</a> machine is set up and running on a <a href="https://www.amazon.de/dp/B0957KH8X7/" target="_blank">Dell SE2722HX 27</a> that handles 15kHz, serving as the demo- and game-machine.</p>
<p>The rest of the Atari hardware is stored here but not set up, mainly for lack of space:</p> <p>The rest of the Atari hardware is stored here but not set up, mainly for lack of space:</p>
<ul> <ul>
<li><strong>The Mega ST 4 "High"</strong>, the upgraded workstation, is boxed and can be set up on demand. It has its own EIZO monitor (1024×768) for the ET4000, and when I use it I set it up in the living room on the dining table.</li> <li><strong>The Mega ST 4 "High"</strong>, the upgraded workstation, is boxed and can be set up on demand. It has its own EIZO monitor (1024×768) for the ET4000, and when I use it I set it up in the living room on the dining table.</li>