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FIX: Ground connection on SoundBlaster MIDI cable

Since I had an original Creative Labs (at least that's what the plastic bag said) MIDI-to-gameport cable, originally used on an SB32 PnP, later on a SoundBlaster 128 PCI, I always got an annoying hum if I connect analog audio from the sound card to an electronic piano (into the AUX in on the piano), …

Re: 286 to 8bit ram

The Idea of getting some sort of 80288 CPU... intriguing... :) A 80288 is not that of a bad idea. The 80286 bus can do a 0WS memory access in two clocks, whereas the 8086/80186 needs four clocks per bus access. The 80188 was severely limited by it's low memory bandwidth. Give it a double-speed bus, …

Re: 286 to 8bit ram

Thanks for the reply. I think you have a slight mistake there, If I checked the manual correctly: BHE=0 and BLE=0 >>> 16bit transfer BHE=1 and BLE=0 >>> 8bit transfer via D0-D7 BHE=0 and BLE=1 >>> 8bit transfer via D8-D15 BHE=1 and BLE=1 >>> this is invalid signal, doesn't happen That's the 386SX …

Re: 286 to 8bit ram

Of course the 80286 processor can interact with 8-bit hardware, as we see every time an 8-bit VGA card is installed in an AT compatible computer. But that only works because the chipset translates the 16-bit cycle into 2 8-bit cycles. The 80286 processor itself has the following properties: …

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