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blog:pentium_pc_digipos_pro [2023/01/13 10:58] – [Resources] john | blog:pentium_pc_digipos_pro [2023/01/20 09:59] (current) – [Faults & Fixes] john | ||
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=== Current Specification === | === Current Specification === | ||
- | * Processor: IDT Winchip C6 200MHz | + | * Processor: |
* Motherboard: | * Motherboard: | ||
* Video: S3 Virge/DX 4MB (PCI) | * Video: S3 Virge/DX 4MB (PCI) | ||
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* Storage: 3.5" bay mounted Compact Flash reader | * Storage: 3.5" bay mounted Compact Flash reader | ||
- | ===== Faults ===== | + | ===== Faults |
=== Memory === | === Memory === | ||
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{{: | {{: | ||
+ | === Noisy Fans === | ||
+ | |||
+ | The system uses a 40x40x10mm fan over the custom PSU as well as a 50x50x10mm fan over the heatsink/ | ||
+ | |||
+ | === Removal of Custom PSU === | ||
+ | |||
+ | No standard AT/ATX PSU in this thing - it was entirely bespoke, with a bespoke motherboard header. I decided to remove the 25+ year old PSU and replace it with a modern, solid state, cool-running PicoPSU instead: | ||
+ | |||
+ | {{: | ||
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+ | **[Update]** After fitting the Pentium MMX processor the PicoPSU wasn't up to the task, leading to random reboots when changing video mode, running benchmarks etc. Removal of the PicoPSU and plugging a standard ATX PSU into the breakout header stopped all of the reboots, so clearly the power draw of the Pentium 200 is at the limit (and just beyond) of what the PicoPSU can deliver. I'll need to replace it with a bigger unit - the original custom supply with it's horrible 40mm fan is //not// going back! | ||
===== Resources ===== | ===== Resources ===== | ||
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===== Benchmarks ===== | ===== Benchmarks ===== | ||
+ | |||
+ | ^ ^ ^ Configuration 1 ^ Configuration 2 ^ Configuration 3 ^ Configuration 4 ^ | ||
+ | | | | C6 200MHz | ||
+ | | | | 2x32MB EDO | 2x32MB EDO | 2x32MB EDO | 2x32MB EDO | | ||
+ | | | | PCI CL-GD7548 | ||
+ | |Test | Metric | ||
+ | |Norton | ||
+ | |Comptest | ||
+ | |Comptest | ||
+ | |Comptest | ||
+ | |Comptest | ||
+ | |Comptest | ||
+ | |Comptest | ||
+ | |Comptest | ||
+ | |Landmark | ||
+ | |Landmark | ||
+ | |Landmark | ||
+ | |Speedsys | ||
+ | |Speedsys | ||
+ | |Speedsys | ||
+ | |Speedsys | ||
+ | |Speedsys | ||
+ | |Wolfenstein 3D | FPS | 94.9 FPS | 133.2 FPS | 134.3 FPS | 133.9 FPS | | ||
+ | |DOOM | Low Detail | ||
+ | |DOOM | High Detail | ||
+ | |Quake | ||
+ | |Quake | ||
+ | |Quake | ||
+ | |3D Bench | 1.0c | 100.3 FPS | 157.2 FPS | 158.7 FPS | 156.8 FPS | | ||
+ | |PC Player | Low Res | 33.9 FPS | 38.4 FPS | 38.4 FPS | 37.5 FPS | | ||
+ | |PC Player | High Res | 12.5 FPS | 16.2 FPS | 16.2 FPS | 16 FPS | | ||
+ | |||
+ | Comparison of the VGA benchmarks side by side for the IDT Winchip C6 configurations: | ||
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+ | {{: | ||
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+ | |||
+ | ==== Winchip 200 vs Pentium MMX 200 Comparison ==== | ||
+ | |||
+ | Added a comparison with the replacement Pentium 200 MMX processor: | ||
+ | |||
+ | {{: |