DJOS's latest shipment of Plus to ISA adapters and other stuff showed up today with only one thing crushed by the postal service. I did a step by step addition of cards using the adapters and watching the power demand on the original power supply. Everything went very well and I now have my HX running with FOUR cards on the bus! I hope it is a first in history but I vaguely recall a mention of an expansion box for ISA cards proposed for the HX but I have never seen so much as a picture of one.
The current load out is running off the original power supply and well within it's limits. At present it has a Tandy memory expansion card, XT VGA card, and plugged into a DJOS dual adapter is a dual UART serial card talking to a WiFi modem, and a XT-IDE card with a 512MB CF card. Soon the GoTek, serial mouse, and a few other surprises will be going in.
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View attachment 54784