+Ksarul Posted August 10, 2021 Share Posted August 10, 2021 This is a generally unobtainium manual for the Cortex. The E-Bus is the Cortex's expansion bus, but it was rarely used due to the general impossibility of sourcing the 74LS2001 Bus Arbiter chip. A few smart folks used the system design handbook to design simple workarounds to allow limited use of the bus, and that allowed several expansions to see the light of day. The manual itself nearly disappeared though, as only a handful of physical copies are suspected to survive. I received this scan of one of those copies a few years ago, and realized today that it still doesn't seem to be readily available online. This should probably also be put in with the Cortex files on WHT. E-Bus_System_Design.pdf 6 1 Quote Link to comment Share on other sites More sharing options...
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