IEC Port Expander - Back
I picked up this beauty at ECCC. This is a port expander for the IEC Bus - it has one input for a Commodore computer and can control up to four other IEC devices (such as disk drives, printer, uIEC, etc.). The first switch turns on/off burst mode and controls the input reset. You can turn on / off the ATN/RST of any of the four devices with the other four switches. The push button resets the devices which are on. See the next picture for the front.
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Each output port switch has 2 functions. The first being switching the ATN line On or OFF. The second is switching the Reset On or Off for the respective port. Ever had a directory or a D64 image open and needed to reset a drive. you can dot that with