English Amiga Board


Go Back   English Amiga Board > Search Forums

Showing results 1 to 14 of 14
Search took 0.00 seconds.
Search: Posts Made By: Kai
Forum: Hardware mods 24 January 2020, 12:57
Replies: 46
Views: 8,204
Posted By Kai
The only difference between the different v2 and...

The only difference between the different v2 and V3 is the placement on the board - the routing is automatic - nothing other than a layout change. It *could* be the distance in this case - I've been...
Forum: Hardware mods 20 October 2019, 01:02
Replies: 46
Views: 8,204
Posted By Kai
Going to test this, hopefully just cascading them...

Going to test this, hopefully just cascading them should work.
Forum: Hardware mods 16 October 2019, 23:44
Replies: 46
Views: 8,204
Posted By Kai
v3 Boards now available, and the gerbers are up...

v3 Boards now available, and the gerbers are up on github.

https://www.pcbway.com/project/shareproject/Amiga_500__DRAM_Replacement_Board.html
Forum: Hardware mods 15 September 2019, 14:43
Replies: 46
Views: 8,204
Posted By Kai
Probably in the future, should be easy enough to...

Probably in the future, should be easy enough to adapt, or for someone else to fork the project.

Here's the rev0 DRAM board working in a v2.1 Amiga 500++ reproduction board, DIAGROM output for...
Forum: Hardware mods 03 July 2019, 21:20
Replies: 46
Views: 8,204
Posted By Kai
PCBWay delivery came in today! ...

PCBWay delivery came in today!

https://i.imgur.com/fhBdYY2l.jpg

https://i.imgur.com/wMo2dKGl.jpg

Everything lines up BANG ON! Pin spacings for the SOJ's and the DIP socket pins both nice and...
Forum: Hardware mods 10 June 2019, 13:20
Replies: 46
Views: 8,204
Posted By Kai
Haha - this is mostly for the resurrection of...

Haha - this is mostly for the resurrection of A500+'s that have been killed off by VARTAAAAA
Forum: Hardware mods 04 June 2019, 14:00
Replies: 46
Views: 8,204
Posted By Kai
Not initially - but they won't be expensive :)

Not initially - but they won't be expensive :)
Forum: Hardware mods 04 June 2019, 09:23
Replies: 46
Views: 8,204
Posted By Kai
a1k.org released an A500+ board, but once they...

a1k.org released an A500+ board, but once they sold them all, and ran out of parts to sell with them, they stopped the run.

The new A500++ has been reverse engineered by Rob Taylor and looks like...
Forum: Hardware mods 04 June 2019, 09:17
Replies: 46
Views: 8,204
Posted By Kai
...you know what - you're absolutely right! XD ...

...you know what - you're absolutely right! XD

I was looking at the BOM and the mouser cart for the rev1, which did use all the original DIP socket pads - so apologies for getting that wrong, i'll...
Forum: Hardware mods 03 June 2019, 23:18
Replies: 46
Views: 8,204
Posted By Kai
16 strips of 10 then, however you want to phrase...

16 strips of 10 then, however you want to phrase it.
Forum: Hardware mods 03 June 2019, 19:26
Replies: 46
Views: 8,204
Posted By Kai
It's for an A500+ - with both RAS0 and RAS1...

It's for an A500+ - with both RAS0 and RAS1 lines. You're correct - all RAM chips have A0 to A8 being fed in but as the originals are 4 bits wide, you need 4 to deal with D0 to D15 - plus there's the...
Forum: Hardware mods 03 June 2019, 00:00
Replies: 46
Views: 8,204
Posted By Kai
Lightbulb Step 1) Get PCB Step 2) Install components ...

Step 1) Get PCB
Step 2) Install components
Step 3) Remove the IC's from their sockets
Step 4) Plug this in to the IC socket space

I'm assuming you'll have removed the IC's, or will have...
Forum: Hardware mods 02 June 2019, 22:56
Replies: 46
Views: 8,204
Posted By Kai
Added this to PCBWay for people wanting to just...

Added this to PCBWay for people wanting to just order PCB's quickly:

https://www.pcbway.com/project/shareproject/Amiga_500__DRAM_Replacement_Board.html
Forum: Hardware mods 02 June 2019, 16:43
Replies: 46
Views: 8,204
Posted By Kai
Lightbulb 1MB CHIP RAM replacement board for A500+

Just done a total respin of this, based around newer 40-pin SOJ ISSI DRAM chips - IS41C16257-35's and using SMD 1206 capacitors

This will give a total of 1MB (8Mbit) of CHIP RAM and shouldn't...
Showing results 1 to 14 of 14

 
Forum Jump

All times are GMT +2. The time now is 08:27.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
Page generated in 0.08720 seconds with 10 queries