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IIRC that one is Pentium-safe. The X9000 is only really picky for some of the option cards like MDC600. Otherwise, a 25/50 MHz 386/486 laptop or tablet (e.g. Fujitsu 500) with a slow CPU mode or

For whatever it's worth and for whoever is interested I put the source for the Windoze control program on github. https://github.com/skiphansen/xcat_pc If anyone rebuilds it using tools from this

Skip, my experience is that it should work for X9000 RSS *if* you can get it to slow down to 486/386 speeds and load the DOS in the proper memory space. My paid for version of MoSlo accomplishes this

Well it took a week of raiding my garage for old PCs, but I **FINALLY** got RSS for the Spectra to run successfully. The PC is an old surplus box that I bought probably 20 years ago at the TRW swap

I got it on Amazon. I hope it's not a knock off but it looks real. It arrived in two days. I'll upload what I can once I figure it all out.

Wow, that screen looks familiar! But I've never seen so many traces. I missed the message where you said you were going with the DreamSource box. Now I want to write a disassembler for the 6301,

Yikes... full live 1 second read zoomed in with one of the channels being chip select. I still need to figure out how to organize and label the channel names (surely I can do that like in Saleae

And I worked for Mostek in the 3870 days…..but not on those. But a buddy and I did build a Cactus emulating controller using a 38P70. One of them is still running at my house driving a Drake UV-3

I've got a Willem clone, no 21v on board, but can be connected to an external source. Havent had a need to burn any 27C's? but it's good to be versatile.

I could probably host this dumped ROM collection. Seems like (E)EPROM programmers are everyone's second favorite religious war. YMMV. I use an older Minipro (TL866CS). I grabbed a DataIO 29A to

Maybe we could start a spreadsheet of the versions and store the hex dumps. If I knew what good decently priced rom reader to get I would order one. I have three or four lowband units of varying

I'm starting to want to collect code ROM versions and variants. De

@ Skip, Didnt see a means to u/l an image file to the photos are so I uploaded a folder w/ 5 X9000 personality board pics in it. Same side but different angles trying to minimize flash glare. Gives ya

I see I fat-fingered this. HD63A03YP. One extra digit "3". Itchy something finger. ;) De

Wow was I off base. Thanks Dennis! 73's Skip WB6YMH

@ Dennis, I see you found that 53 meg pdf. Lots to unpack it one wanted to do so. I was tried to U/L it twice but I guess my connection was too slow and timed out. It never said so, it just kept doing

Yeah, scratch that....it's a Mostek (Motorola) I was thinking xomething else....

Yeah, no offboard on the busses that I could see either. Hmm....That does make me wonder how it is storing all the user config info for all the modes....but I've got other things to puzzle over right

The Syntor X uses an F8/3870 family processor. De

HD63A033YP https://yagi.h-net.org/x9000_processor.jpg /g/xcat/files/hitachi_hd63a03y_datasheet.pdf /g/xcat/files/hd6301-3_handbook.pdf De