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blog:386_pc [2021/05/08 15:29] – [Front Panel] john | blog:386_pc [2021/05/17 20:43] – [LCD Display Config] john | ||
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* Using the 486 instruction set in a 386DX package | * Using the 486 instruction set in a 386DX package | ||
- | * Has 1KB of on-cache level 1 cache | + | * Has 1KB of on-chip level 1 cache |
It will be a nice test for those boards which are socketed to see the performance delta of just changing the processor and keeping everything else the same. | It will be a nice test for those boards which are socketed to see the performance delta of just changing the processor and keeping everything else the same. | ||
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The spring for the power button was heavily rusted, so it got a dunk in a bath of white vinegar for a couple of hours: | The spring for the power button was heavily rusted, so it got a dunk in a bath of white vinegar for a couple of hours: | ||
- | {{: | + | {{: |
- | {{:blog: | + | Front panel re-assembled and then re-attached to the painted chassis: |
- | ==== Painting ==== | + | |
+ | {{: | ||
+ | |||
+ | If it wasn't for that one bezel edge, I would have no second thoughts about leaving the front panel as it is... but compared to the newly painted chassis and the re-painted case (see below), well, it still stands out like a sore-thumb.... | ||
+ | |||
+ | ==== Case Cover ==== | ||
+ | |||
+ | First thing I did was give the inside a quick spray in some white primer that I had left - it was a bit oxidised and messy: | ||
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+ | {{: | ||
+ | |||
+ | For the exterior I used Plastikote RAL9010 White (satin finish): | ||
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+ | {{: | ||
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+ | On it's own, the case looks absolutely fabulous. I'm quite keen on the colour; it's enough of an off-white to match the lighter-end of the spectrum of old AT computer cases. | ||
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+ | {{: | ||
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+ | However, placed next to the cleaned front panel: | ||
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+ | {{: | ||
+ | ==== Rethinking Things... ==== | ||
+ | |||
+ | I'm really not keen on painting the front bezel - other than that one edge which has yellowed it is in good condition and painting it would lose all of the button/ | ||
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+ | My only real option at this point is to repaint the metal casing in a colour that now more accurately matches the front panel. | ||
==== LCD Display Config ==== | ==== LCD Display Config ==== | ||
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{{: | {{: | ||
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+ | By default, the case came configured with a high/low setup to show 33/16MHz: | ||
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+ | {{: | ||
+ | |||
+ | The rear of the display was set as shown: | ||
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+ | {{: | ||
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+ | I'll set the display to 40MHz high, and 10MHz low, since there isn't a standard for when turbo is disabled on 386 boards. That means I need to set: | ||
+ | |||
+ | * Units column (//0// in high mode, //0// in low mode) | ||
+ | * 3A 3B 3C 3D 3E 3F | ||
+ | * Tens column (//4// in high mode, //1// in low mode) | ||
+ | * 3B 3C 2F 2G | ||
+ | |||
+ | ==== Final Configuration ==== | ||
+ | |||
+ | {{: | ||
====== 386 Motherboard Shootout! ====== | ====== 386 Motherboard Shootout! ====== | ||