For Sale: 27C400 EPROM emulators (beta) issue D

[PaulJ]

@cmorley , yes I tried it with your emulator as a test using USB2. My ultimate use is for a 3d printer in the other room using Simpilfy3D to drive the printer. Most likely give it a try today so we will see.

[PaulJ]

Good to know. I have a 5m USB3 extension here and I found that many of my USB peripherals (JTAG programmers and the like) refuse to work with it. Circa 5m is the limit for USB2 spec because of propogation delay IIRC.

I just connected a 50ft cat6 ethernet cable between my mac and the eprom emulator and programmed and verified a 256k image. Worked without issue so it appears to work fine at 50 ft extension. Thats the max cable length I have here. :) :) :)

[cmorley]

Just as a raw wire extension or with active units each end?

[PaulJ]

@cmorley , from a USB2 hub to usb->Ethernet - 50 ft cat 6 - Ethernet -> usb -> your eprom emulator. Programmed and verified three unused 256k areas to tos 2.06. The usb to ethernet are active units.

e0.jpg

e1.jpg

e2.jpg

[Maximilian]

What will the difference be between the current Beta units that are sold and a final version?

Thanks in advance for your work, I was looking for something like this.

[cmorley]

Mostly just silkscreen. Pin 4 on the USB connector will become a second ground to make it compatible with PC motherboard USB header cables.

I am going to try to fit some more test points on too for production testing.

[Maximilian]

Could you send me 2 units with everything soldered except the USB headers?
And could you flash the newest firmware?

There's no rush, so if you want to add some more functionality to the firmware I would gladly wait a bit longer. ;)

I would like to pay with PayPal and I live in NL.

[cmorley]

Yes I can do that. The boards come fully assembled.

I don't plan firmware changes now, anything additional will be bug fixes or if someone comes up with a really neat idea. I don't have much code space left for features. Upgrading the firmware is easy by USB.

[cmorley]

A chap on the Facebook Amiga group wanted more than I had left so I built up another 20 boards. I have 15 or so left if anyone wants to get in on this batch.

[LADmachining]

I am interested in a board please. :)