well the socket is read only. no writes allowed. one might be able to adopt the rex methodology however to enable writes in a read only socket.
On Wed, Sep 20, 2017 at 5:39 PM, Douglas Quagliana <[email protected]> wrote: > I don't think there's a speed issue. They benchmarked the speed of the > GPIO pins on a Raspberry Pi and they were able to toggle the output pins at > 22 Megahertz using an optimized program written in C. See > > http://codeandlife.com/2012/07/03/benchmarking-raspberry-pi-gpio-speed/ > > The Model T's 8085 CPU is running way slower than 22 Megahertz. I would > think that there's plenty of time to read the GPIO pins, decode the > address, set the data lines and flip the OE pin (or whatever else needs to > be set). No? > > I thought there might be an electrical incompatibility (wrong voltage, > can't source/sink enough current) or something else that prevented a direct > hookup between the GPIO pins and the option ROM pins. > > C'mon... Nobody even tried this yet? > > Douglas > > On Wed, Sep 20, 2017 at 10:03 AM, John R. Hogerhuis <[email protected]> > wrote: > >> A raspberry pi cannot simulate a ROM chip as far as I know. >> >> Seems like it would be a speed issue. >> >> You could do interface a pi to serial port though, that has been done. >> >> -- John >> > >
