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unified_retro_keyboard
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Update readme for clarity

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Dave 2020-05-27 13:12:54 -05:00
parent 4e40e324b6
commit 42989dbd41
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hardware/interface-osi/README.md
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@ -18,8 +18,8 @@ the Classic ASCII keyboard, configured with the OSI keycaps.
1. The RESET delay is about 3 seconds with a 6.8 uF capacitor at C20. 4.7 uF gives about
2 seconds, and 3.3 uF gives about a 1 second delay.
1. If you want to use the sound circuit with an older 540A video board, then jumper pin 13
of IC E4 to pin 15 of the keyboard connector, and set JP1 to "S1".
1. If you want to use the sound circuit with an older 540A video board, then on the 540A board, jumper pin 13
of IC E4 to pin 15 of the keyboard connector, and on the OSI interface board, set JP1 to "S1".
1. If you use a 540B video board, then set JP1 to "/S1"