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Yeah, I think I have a good path forward with some interest by more people than just me who can do the work. Yes. I have personally already...

@DougIngram “For the Non-sys handler it is also called SDSK with four devices supported. SDA0, SDA1, SDB0 and SDB1. I have a version of serial disk...

So to add (yet another) 2c+GST - start playing! I know what I 'd like, and I also know that I'll never get round to doing it. And I can't force...

@cpu - just seen this some four years after you posted it :) I'd be really interested to get a copy if at all possible.

Matt, You are spot on the keyboard uses a standard early ACORN motherboard. I can see that to clarify if/how/why this keyboard I will need to...

If you plot FA0...FA6 and nRAS (and maybe a few more for good luck) at the DRAMs when there is NO CPU present you should get clear refresh signals on...

Depends on what files you're using with it, but yes, if you're using the FlashFloppy firmware.

My first TRS-80 hard disk system was an Enhanced Model II (model 16 upgrade installed) with two 12MB disks, a primary and a secondary; the secondary...

Does the gotek even work with FM?

I checked the voltages at the RAM chips again and looked at them on the scope. The results are below. All scope traces were taken AC coupled at 20...

Your choice of the card depends largely on what you'd like to do. The WD card uses a WD37C65 FDC, which can also handle FM floppy formats. I...

You should just be able to drop in the "mio" card and use it. Disable the ide function on it (wouldn't work anyway needs 16bit ISA). Like chuck...

I pulled the CPU as you suggested and get exactly what you describe: I also looked at the RAM supply voltages again, which I'll cover in a post...

In theory, yes, but you'll have disable the BIOSes on the 16 bit card. 16 bit HD MFM controllers use a different set of I/O ports than 8 bit ones...

Yes, As maxtherabbit said you can use a 16-bit IDE / Floppy controller ( Not the IBM supplied combo ) which is the preferred method in an AT, Then...

Little known trivia: Radio Shack was reluctant to release a hard drive for the Model I because the only prototype they could cook up needed to be...

I know it's important. Critical enough that my FreHD requires a key to fire it up. :stern:

I checked. I get identical binaries rerunning my scripts. I did find a couple listing were from edited version of the .pa file where the edits...

Yes, a 4P can download a program from RS-232 if you hold the right shift key and BREAK after power-on or reset. Here's a program to do the...