First post, by keenerb
I'm attempting an ISA backplane expansion on my Tandy 1000TL.
I've gotten a ribbon cable attached to ISA bus edge connectors with pin headers; pin 1 on Tandy motherboard connects to pin 1 on a passive backplane, and so forth. The power LEDs illuminate on the passive backplane.
Nothing on the passive backplane is functional, though. It's possible I f*cked something up, but I'm also wondering if 6 - 8" is too long for the ribbon cable, problems with the ISA signal timing or something.