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

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derkom
Posts: 246
Joined: Sun Jul 29, 2018 6:45 pm

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

Post by derkom » Wed Jan 29, 2020 11:05 am

Received mine up in the arctic wilderness today. Thanks!

Squirrel61
Posts: 15
Joined: Wed Dec 18, 2019 5:22 pm

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

Post by Squirrel61 » Sat Feb 01, 2020 9:27 pm

Mine arrived today. I soldered some header pins on the USB connection points and connected a cable made from an old keyboard's USB cable. The menu system seems to be working fine, including programming with verify.

Tomorrow I'll dig up an A500 board and test if it is also working as an EPROM, but I have no doubts.

Thanks a lot Chris!

dalek
Posts: 82
Joined: Thu Nov 08, 2018 11:03 am

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

Post by dalek » Sun Feb 02, 2020 12:51 pm

Received mine just before the weekend - got a chance to test it today :)

At first I used a long poor quality cable and had issues with USB3 and programming certain roms (diagrom). Switched to a much shorter better quality cable and all is good!

Not sure if you are still taking feature requests, but my other switcher "solution" is Keir's and it supports a buzzer which will sound a certain number of beeps depending on which slot is selected. Could you give the spare pin the ability to do that?

Great quality btw, loving it!

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

Post by terriblefire » Sun Feb 02, 2020 2:10 pm

I'm completely struggling with cabling. My pc isnt anywhere near the bench so motherboard headers arent useful.

basically i cant use it without some kind of cable to program it with.
———
I get cranky when asked to repeat myself.

cmorley
Posts: 78
Joined: Tue May 28, 2019 5:46 pm

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

Post by cmorley » Sun Feb 02, 2020 8:36 pm

terriblefire wrote:
Sun Feb 02, 2020 2:10 pm
I'm completely struggling with cabling. My pc isnt anywhere near the bench so motherboard headers arent useful.

basically i cant use it without some kind of cable to program it with.
Motherboard headers would be fine for installing in a computer case then a long A-A cable.

I use a standard USB micro cable and a cheap adapter - either solder them on or with pins.
viewtopic.php?f=29&t=2485&p=32429#p32427

Squirrel61
Posts: 15
Joined: Wed Dec 18, 2019 5:22 pm

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

Post by Squirrel61 » Mon Feb 03, 2020 10:31 am

terriblefire wrote:
Sun Feb 02, 2020 2:10 pm
I'm completely struggling with cabling. My pc isnt anywhere near the bench so motherboard headers arent useful.

basically i cant use it without some kind of cable to program it with.
Maybe a USB repeater cable can help you, something like this:
https://www.ebay.co.uk/itm/5M-USB-Activ ... 2250736325

They're also available in 10m length.

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