campbellashe's latest activity
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Ccampbellashe replied to the thread Dynamic Engineering Portable PDS RAM Card.David, I've got my 8 MB card working. Seeing slow down a boot with the 8MB setup. Do you understand the reason for the slow down. I 'm...
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Ccampbellashe posted the thread Expansion Memory Cards and Speed Limitations above 5MB on the Macintosh Portable in Macintosh Portable.I'm currently in the process of developing RAM cards for my Portable. I have successfully created a 4MB and 8MB card and both work and...
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Ccampbellashe replied to the thread LCD Replacement for the Macintosh Portable.Watching with interest. Thanks for the update,
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Ccampbellashe replied to the thread LCD Replacement for the Macintosh Portable.@Froggy814, what were your plans for powering LCD panel? Also, could you just use the space where the hard drive is— perhaps by a...
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Ccampbellashe replied to the thread Macintosh Portable Power Supply CR-76U.Thanks for the work and sharing that! Mine was pretty messed up but I salvaged it, but if more problems your board looks great.
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Ccampbellashe replied to the thread Wifi DaynaPORT on Macintosh Portable.I'm pretty sure all the files for kicad are there with ability to open directly with schematics and PCB
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Ccampbellashe replied to the thread Dynamic Engineering Portable PDS RAM Card.Let me get my board working..the version 2. I’m working on trying to write an INIT myself. Will see how my skills are.
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Ccampbellashe replied to the thread Dynamic Engineering Portable PDS RAM Card.I don't have an elegant way yet.... I was thinking of jumping on the software side of things with the previously proposed use of an INIT...
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Ccampbellashe replied to the thread Dynamic Engineering Portable PDS RAM Card.This is the next gen board: https://github.com/2tf2294x4g-maker/MacintoshPortable8MB_RAM
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Ccampbellashe replied to the thread Wifi DaynaPORT on Macintosh Portable.Just put up my next repo for v 2 card; not made yet but might want to look at it for next generation and 4-8MB options...
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Ccampbellashe replied to the thread Wifi DaynaPORT on Macintosh Portable.Yes. Got it in mouser
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Ccampbellashe replied to the thread Wifi DaynaPORT on Macintosh Portable.I’m using Tigard. I’ll try to find specific ref for you. Works well with Mac and OpenOCD.
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Ccampbellashe replied to the thread Wifi DaynaPORT on Macintosh Portable.No spare yet. The SRAM is not cheap enough. $50 for ten 512 chips, plus tariffs. My 4-8 mb variant will be even more with use of 1 mb...
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Ccampbellashe replied to the thread Dynamic Engineering Portable PDS RAM Card.No, never found it. Will see if DTACK problems arise on my version 2 board. The CPLD route was easy to start with and scales easily.
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Ccampbellashe replied to the thread Wifi DaynaPORT on Macintosh Portable.Made my own board, total of 5MB ... networking works fine now.... https://github.com/2tf2294x4g-maker/MacintoshPortable4MB_RAM