English Amiga Board


Go Back   English Amiga Board > Search Forums

Showing results 1 to 40 of 58
Search took 0.01 seconds.
Search: Posts Made By: Kai
Forum: Hardware mods 18 July 2018, 23:11
Replies: 101
Views: 4,997
Posted By Kai
Thought that may have been the case, sorry, was...

Thought that may have been the case, sorry, was having a dim moment! :(
Forum: Hardware mods 18 July 2018, 22:54
Replies: 101
Views: 4,997
Posted By Kai
Possibility of replacing the QFP EC020 with the...

Possibility of replacing the QFP EC020 with the full fat 020 socket?
Forum: Hardware mods 27 October 2017, 00:26
Replies: 54
Views: 14,860
Posted By Kai
Raising this thread from the dead, I don't have...

Raising this thread from the dead, I don't have access to the free.fr dropbox any longer, but I do still have the copy of C'T magazine if anyone here wants me to re-upload images, or even if they...
Forum: Hardware mods 27 October 2017, 00:22
Replies: 173
Views: 39,838
Posted By Kai
Glad to see something positive came from my...

Glad to see something positive came from my witterings :D
Forum: Hardware mods 21 March 2014, 01:34
Replies: 173
Views: 39,838
Posted By Kai
BGA is a pain to solder by hand - TQFP/CQFP/TSOP...

BGA is a pain to solder by hand - TQFP/CQFP/TSOP etc is easy enough - with BGA you need a hot air solder station, good hands, and a lot of patience.
Forum: Hardware mods 18 March 2014, 05:30
Replies: 173
Views: 39,838
Posted By Kai
4MB of SRAM isn't too bad - put 2 spots on the...

4MB of SRAM isn't too bad - put 2 spots on the PCB for it, or just the one?
...
Forum: Hardware mods 16 March 2014, 03:34
Replies: 173
Views: 39,838
Posted By Kai
Supply of 68030's in CQFP isn't a problem - can...

Supply of 68030's in CQFP isn't a problem - can order upto 1200 of the damn things from a single supplier if i ever win the lottery, but i'm happy with the $14 per piece cost as it stands.

Once my...
Forum: Hardware mods 13 March 2014, 00:46
Replies: 173
Views: 39,838
Posted By Kai
Yeah again - PAL -> CPLD is easy enough, but i...

Yeah again - PAL -> CPLD is easy enough, but i was concerned that deviating too far from the design would be problematic.

Cache excluded? I dunno why, maybe my x86-centric view, but no cache...
Forum: Hardware mods 11 March 2014, 03:41
Replies: 173
Views: 39,838
Posted By Kai
....and i just found a way to implement 68030...

....and i just found a way to implement 68030 cache....can someone check this over as well to make sure i'm not jumping the gun?
...
Forum: Hardware mods 08 March 2014, 23:02
Replies: 173
Views: 39,838
Posted By Kai
Yeah Geoff has soldered CPLD's and FPGA's using...

Yeah Geoff has soldered CPLD's and FPGA's using that method, works well enough for him :)

He's finding this all very interesting, according to the last message i got!
Forum: Hardware mods 08 March 2014, 15:49
Replies: 173
Views: 39,838
Posted By Kai
Okay - for simplicity sake, regarding the...

Okay - for simplicity sake, regarding the schematic (16 extra lines isn't enough of a saving, really) i'll discount the EC020. Will be looking instead at full 020 or 030, with a 68882. From this...
Forum: Hardware mods 27 February 2014, 18:10
Replies: 173
Views: 39,838
Posted By Kai
The reason i mention the EC040 is because of the...

The reason i mention the EC040 is because of the pinout, its easier for routing, for one, and secondly, they're easier to source. I don't mind doing one PCB layout for a QFP EC020 and another for...
Forum: Hardware mods 15 February 2014, 21:42
Replies: 173
Views: 39,838
Posted By Kai
I can have a word with my friend Geoff about...

I can have a word with my friend Geoff about that, actually. I mentioned the issue to him before, combining the PAL's into a single CPLD/FPGA and he says it should be simple enough. That being said,...
Forum: Hardware mods 12 February 2014, 02:44
Replies: 173
Views: 39,838
Posted By Kai
Heyo! Sorry to resurrect this thread from the...

Heyo! Sorry to resurrect this thread from the dead - haven't logged in in a lonnnnnnng time (sorry!), major personal life upheaval here :(

For anyone that's still interested, i'm more than happy...
Forum: Hardware mods 06 November 2011, 16:37
Replies: 173
Views: 39,838
Posted By Kai
Hey, sorry, that FTP disappeared on me, i'll try...

Hey, sorry, that FTP disappeared on me, i'll try and re-host it somewhere.
Forum: Hardware mods 03 July 2011, 11:07
Replies: 54
Views: 14,860
Posted By Kai
I have documentation, but the schematics are...

I have documentation, but the schematics are TINY, really poorly scanned. You'd better get a physical copy of the issue in which it's published!
Forum: Hardware mods 31 May 2011, 22:15
Replies: 173
Views: 39,838
Posted By Kai
Thats fine dude - there's no rush - i have two...

Thats fine dude - there's no rush - i have two projects on the go here - a full engine rebuild on my car, and then an FPGA project that i've been working on for 18 months!

:)
Forum: Hardware mods 22 May 2011, 15:00
Replies: 173
Views: 39,838
Posted By Kai
...any progress, Pandy? :)

...any progress, Pandy? :)
Forum: Hardware mods 11 May 2011, 17:13
Replies: 173
Views: 39,838
Posted By Kai
The routing i did above, is taking the GND and...

The routing i did above, is taking the GND and VCC layers into account, made things a lot easier & simpler, saved a few dozen traces on the board! I was using an 8mm routing grid as well, Gold...
Forum: Hardware mods 11 May 2011, 12:25
Replies: 173
Views: 39,838
Posted By Kai
Pandy - If you can sort out the schematic, save...

Pandy - If you can sort out the schematic, save it and email it back to me, i can do the PCB work, as i'm not limited in the number of layers, or the size of the PCB :)

Can you see in the PDF...
Forum: Hardware mods 10 May 2011, 23:27
Replies: 173
Views: 39,838
Posted By Kai
I know that the caps needed to be added, but the...

I know that the caps needed to be added, but the way they were laid out on the original schematic, made no sense, hence my omitting them from the schematic for the time being...

The PAL code...
Forum: Hardware mods 10 May 2011, 13:42
Replies: 173
Views: 39,838
Posted By Kai
...does this look better? ...

...does this look better?

http://kai.supramania.com/Electronics-Projects/AMIGA/routingheadache2.jpg
Forum: Hardware mods 10 May 2011, 12:40
Replies: 173
Views: 39,838
Posted By Kai
Concentrate on the schematic - i'll upload the...

Concentrate on the schematic - i'll upload the latest version in a minute - i changed some of the discrete resistors to resistor networks (SIL).

** EDIT **

Pandy - use the same schematic link i...
Forum: Hardware mods 10 May 2011, 11:00
Replies: 173
Views: 39,838
Posted By Kai
Yah - the reason i went with a 4-layer PCB is...

Yah - the reason i went with a 4-layer PCB is that everything got a lot easier to route, with dedicated power and ground layers. 2-layer is *very* hard to do, change the routing grid to 10mm at...
Forum: Hardware mods 10 May 2011, 02:40
Replies: 173
Views: 39,838
Posted By Kai
It'll make me warmer and fuzzier once pandy...

It'll make me warmer and fuzzier once pandy fiddles with the schematic/layout and gets the Gerber out for all ;)
Forum: Hardware mods 10 May 2011, 01:38
Replies: 173
Views: 39,838
Posted By Kai
If i was aware, i'd never have started the topic...

If i was aware, i'd never have started the topic ;)

Yes, i'm aware i missed out the decoupling caps, the only thing is the schematic makes no sense as to WHERE to put them.

PAL 16L8:...
Forum: Hardware mods 09 May 2011, 10:35
Replies: 173
Views: 39,838
Posted By Kai
The 4-layer board includes a ground layer, and a...

The 4-layer board includes a ground layer, and a +VCC Layer. Power comes in from the 68000 socket, straight to that layer, and feeds every other IC on the board.

Pandy - sure thing, i have a...
Forum: Hardware mods 09 May 2011, 01:28
Replies: 173
Views: 39,838
Posted By Kai
...routing...done....brain...aching! Well,...

...routing...done....brain...aching!

Well, here we go folks - just a preliminary, but, this is a 4-layer PCB (very hard to do as a 2 layer), the component arrangement could probably do with...
Forum: support.Hardware 09 May 2011, 01:04
Replies: 1,080
Views: 338,654
Posted By Kai
...its a UK seller, so i would imagine so :P

...its a UK seller, so i would imagine so :P
Forum: Hardware mods 08 May 2011, 23:57
Replies: 173
Views: 39,838
Posted By Kai
Hold the presses! Don't pay any attention to the...

Hold the presses! Don't pay any attention to the PCB Masks i uploaded - they're NOT for the LUCAS (i didn't read carefully enough!) - they're for a Macintosh, its a 68020 design from XLR8.
...
Forum: Hardware mods 08 May 2011, 17:36
Replies: 173
Views: 39,838
Posted By Kai
No problem - i find this stuff for fun....now if...

No problem - i find this stuff for fun....now if anyone wants to sell me an A500+ for cheap ;)

The only issue i can forsee with the FRANCES board, is the DRAM controller was EOL'ed a long, long,...
Forum: Hardware mods 07 May 2011, 07:15
Replies: 54
Views: 14,860
Posted By Kai
Well the PAK series includes ports to ADD a...

Well the PAK series includes ports to ADD a memory expansion card - but you might want to look into the LUCAS and FRANCES boards...
Forum: Hardware mods 06 May 2011, 09:22
Replies: 26
Views: 9,603
Posted By Kai
Have a look at that PDF for the LUCAS 68020...

Have a look at that PDF for the LUCAS 68020 Accelerator - page 6. The flip flop/oscillator arrangement looks like it deals with everything as it should...?
Forum: Hardware mods 05 May 2011, 17:08
Replies: 54
Views: 14,860
Posted By Kai
I don't see why the PAK68 original design...

I don't see why the PAK68 original design couldn't take a 68030 in place of the 68020, as the 030 is little more than an 020 with an integral MMU, and more L1 I & D cache. However, the timings are a...
Forum: Hardware mods 05 May 2011, 14:07
Replies: 2
Views: 1,482
Posted By Kai
Aaaaah - that would make sense as well :)

Aaaaah - that would make sense as well :)
Forum: Hardware mods 05 May 2011, 12:53
Replies: 54
Views: 14,860
Posted By Kai
<Farnsworth>Good news, everyone!</Farnsworth> ...

<Farnsworth>Good news, everyone!</Farnsworth>

Got an email back today from Thomas Hoffmann @ Heise, with all the articles relating to the PAK68...however, the bad part is...these are the...
Forum: support.Hardware 05 May 2011, 09:38
Replies: 1,080
Views: 338,654
Posted By Kai
Hydrogen Peroxide is also available on eBay for...

Hydrogen Peroxide is also available on eBay for £7.99 a litre, from what i've seen, delivered to your door too, in strengths of upto 35%.
Forum: Hardware mods 05 May 2011, 09:03
Replies: 2
Views: 1,482
Posted By Kai
Harms 68030 Accelerator for A500

The price is...OUCH...but still, some good closeups of the hardware, if anyone has an idea :)
...
Forum: Hardware mods 04 May 2011, 07:03
Replies: 26
Views: 9,603
Posted By Kai
Look a the design of the LUCAS accelerator - they...

Look a the design of the LUCAS accelerator - they still manage to provide the all important E clock at the right speed - despite having the 68020 and 68881 clocked at 16Mhz
Forum: Hardware mods 03 May 2011, 12:28
Replies: 26
Views: 9,603
Posted By Kai
Pandy - the PAK68 i already posted was a 68020...

Pandy - the PAK68 i already posted was a 68020 board that plugs into the 68k socket. 2-layer PCB only.
Showing results 1 to 40 of 58

 
Forum Jump

All times are GMT +2. The time now is 00:40.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2018, vBulletin Solutions Inc.
Page generated in 0.09557 seconds with 10 queries