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Forum: Hardware mods Today, 15:37
Replies: 281
Views: 22,610
Posted By Mick
Thanks Acill, if I can get it working I'll be...

Thanks Acill, if I can get it working I'll be sure to send you a couple of PCB's as a thank you.

As an update here's where I'm at atm, I've gone back to basics so it's just A600 with the newer...
Forum: MarketPlace 23 January 2020, 13:52
Replies: 3
Views: 254
Posted By Mick
I trade marked the word "wow" earlier, see you in...

I trade marked the word "wow" earlier, see you in court. :p
Forum: News 21 January 2020, 21:01
Replies: 511
Views: 74,919
Posted By Mick
I've been waiting for the pre-order rush to die...

I've been waiting for the pre-order rush to die down and even I'm getting impatient. It really sounds like they've bit off more than they can chew but no surprise that these are so popular.
Forum: Hardware mods 18 January 2020, 17:54
Replies: 281
Views: 22,610
Posted By Mick
I am going to manually route it similar to how...

I am going to manually route it similar to how Commodore did. I was close to giving up but I realised earlier that freerouting is not just an autorouter but a complete routing package and it's about...
Forum: Hardware mods 16 January 2020, 12:45
Replies: 281
Views: 22,610
Posted By Mick
Apparently the basic version of ToPoR costs just...

Apparently the basic version of ToPoR costs just shy of $2000 so I think the best course of action is probably to find whatever the hell is wrong, check stuff like video output is working okay and...
Forum: Hardware mods 15 January 2020, 20:27
Replies: 281
Views: 22,610
Posted By Mick
So the custom chips you used were all alright...

So the custom chips you used were all alright then? that doesn't bode well then (it was my last hope :p) but again thanks for the help.

If I knew what the problem was and it was something simple I...
Forum: Hardware mods 15 January 2020, 01:25
Replies: 281
Views: 22,610
Posted By Mick
Will do thanks, I thought it was worth checking...

Will do thanks, I thought it was worth checking in case Wiki made some mistakes in drawing up their schematics.
Forum: Hardware mods 15 January 2020, 01:00
Replies: 281
Views: 22,610
Posted By Mick
I had a look through all of nikoskob's Rev 2D...

I had a look through all of nikoskob's Rev 2D board as he was kind enough to take some photos.

I found the following differences compared to the Wiki schematics I copied:

E353R 47 not 68
E354R...
Forum: Hardware mods 14 January 2020, 17:18
Replies: 281
Views: 22,610
Posted By Mick
I just had a look at some photos nikoskob sent me...

I just had a look at some photos nikoskob sent me of his rev 2d board, there's a couple of differences.

E126R - 47 not 27 (CCK-A)
E127R - 47 not 27 (CCK)

The CCK signals seem important?
...
Forum: Hardware mods 14 January 2020, 16:03
Replies: 281
Views: 22,610
Posted By Mick
Yeah it just connects to ground, a lot of things...

Yeah it just connects to ground, a lot of things don't make sense to me. I wondered with it being the same value as ROE and in the same place on the schematics if it was something like a circuit on...
Forum: Hardware mods 13 January 2020, 01:31
Replies: 281
Views: 22,610
Posted By Mick
If we can't find what's wrong I'm thinking of...

If we can't find what's wrong I'm thinking of getting some more PCB made with manually routed power and maybe separate the shield stuff (external connectors etc) from the ground plane more. I think...
Forum: Hardware mods 13 January 2020, 00:34
Replies: 281
Views: 22,610
Posted By Mick
Well I'm just messing a bit tbh. I really need to...

Well I'm just messing a bit tbh. I really need to get a basic no thrills design working first. At the rate I'm going someone else will have finished it for me.

It'd be handy to know exactly what...
Forum: Hardware mods 12 January 2020, 16:41
Replies: 281
Views: 22,610
Posted By Mick
Thanks nikoskob, it matches the schematics I've...

Thanks nikoskob, it matches the schematics I've copied.

If you can take some photos of the other areas of your board I'll have a look through and see if I can find anything else amiss? appreciate...
Forum: Hardware mods 10 January 2020, 19:35
Replies: 281
Views: 22,610
Posted By Mick
Ok thanks Acill, Stedy is going to have a look at...

Ok thanks Acill, Stedy is going to have a look at it for me so I'll just let him send you his address.

I've fixed the schematics the best I can, mainly just changing symbol inputs/outputs to the...
Forum: Hardware mods 10 January 2020, 01:36
Replies: 281
Views: 22,610
Posted By Mick
I think 2B and 2D are a bit different but any...

I think 2B and 2D are a bit different but any info you can give will help me get a better understanding.

The Commodore schematics I looked at appeared to be for rev. 1 but those parts above...
Forum: Hardware mods 09 January 2020, 20:52
Replies: 281
Views: 22,610
Posted By Mick
I spent a while comparing the schematics on...

I spent a while comparing the schematics on Amigawiki to an original Commodore document and found quite a few discrepancies. Will any of these cause major problems?

E353R 47 not 68
E354R 47 not...
Forum: Hardware mods 09 January 2020, 12:36
Replies: 281
Views: 22,610
Posted By Mick
I've got no idea Stedy all I've really been told...

I've got no idea Stedy all I've really been told is it doesn't work.

If that's the case the keyboard controller is absolutely necessary then? there's not really much point in having the A500...
Forum: Hardware mods 09 January 2020, 00:37
Replies: 281
Views: 22,610
Posted By Mick
There's a bit of a problem with that way I think,...

There's a bit of a problem with that way I think, the A600 has its two memory chips split between RAS 0 and 1 instead of on the same row and so do the expansions so if I disable one row on the board...
Forum: Hardware mods 08 January 2020, 21:09
Replies: 281
Views: 22,610
Posted By Mick
I'll do that then. :D Do you have any idea...

I'll do that then. :D

Do you have any idea what R162 does? it connects to the expansion connector and is labelled _X1M.
Forum: Hardware mods 08 January 2020, 16:50
Replies: 281
Views: 22,610
Posted By Mick
I was just thinking because of things like the...

I was just thinking because of things like the A314 project it probably would not be compatible in that case.

Do you think a CPU/fast ram accelerator could be made small enough to fit in the A600...
Forum: Hardware mods 08 January 2020, 14:20
Replies: 281
Views: 22,610
Posted By Mick
Ok so a theoretical situation, if you have 2MB...

Ok so a theoretical situation, if you have 2MB onboard with the last 1MB using the same signals as the expansion connector what would happen if you also plugged in a 1MB expansion? would there be...
Forum: Hardware mods 07 January 2020, 14:33
Replies: 281
Views: 22,610
Posted By Mick
I'll pay the postage to Stedy if Acill tells me...

I'll pay the postage to Stedy if Acill tells me how much and PM me his PayPal address.

Stedy, if you want I can send you latest files, I've added extra memory and clockport which was easy enough....
Forum: Hardware mods 06 January 2020, 16:04
Replies: 281
Views: 22,610
Posted By Mick
Hi Acill no problem, can you go into a bit more...

Hi Acill no problem, can you go into a bit more detail about what is happening (or rather not happening) with it and what you have tried. Did you test any of the chips on the donor board? If you can...
Forum: Hardware mods 06 January 2020, 16:01
Replies: 281
Views: 22,610
Posted By Mick
Ok thanks Steve, do you mean yours should be...

Ok thanks Steve, do you mean yours should be correct or do you think I need to change the way Commodore did it for the 2075?

I have just realised something else that might be causing a problem...
Forum: Hardware mods 05 January 2020, 13:10
Replies: 281
Views: 22,610
Posted By Mick
I'll have to see what Acill finds and maybe buy...

I'll have to see what Acill finds and maybe buy the board off him if it's a write off, spend a while checking everything. As if designing it wasn't hard enough you have to also navigate a minefield...
Forum: Hardware mods 03 January 2020, 20:20
Replies: 281
Views: 22,610
Posted By Mick
E199R is a bit mysterious as well, should it have...

E199R is a bit mysterious as well, should it have a value or can you just install any ferrite bead? it looks like I put a * before I'll change it to FB like the schematics as I know now * generally...
Forum: Hardware mods 03 January 2020, 19:25
Replies: 281
Views: 22,610
Posted By Mick
E120C and E121C don't seem to be listed in the...

E120C and E121C don't seem to be listed in the service manual I used to get component sizes, E121C isn't installed anyway but I've looked at a few photos and E120C is 1210 size, I'm wondering if it...
Forum: Hardware mods 03 January 2020, 18:10
Replies: 281
Views: 22,610
Posted By Mick
Ok thanks. Steve since you're expert can you look...

Ok thanks. Steve since you're expert can you look at this and tell me if anything is wrong or could be improved, does the composite output need changing?

https://i.postimg.cc/gk327LZs/schematic.png
Forum: Hardware mods 03 January 2020, 15:14
Replies: 281
Views: 22,610
Posted By Mick
Without more information it's only guesswork but...

Without more information it's only guesswork but I'm wondering if the CXA2075M has anything to do with it? the website which I saw the mod on spoke as if was a straight swap but they had done it on...
Forum: Hardware mods 02 January 2020, 15:04
Replies: 281
Views: 22,610
Posted By Mick
I just copied the schematics, they say simply...

I just copied the schematics, they say simply "22" no mention of units, or are you talking to Acill? I'll label them pF just to be clear.

Is E120C right as 0.22UF? what about E112C is it 22pF?
Forum: Hardware mods 01 January 2020, 12:04
Replies: 281
Views: 22,610
Posted By Mick
FWIW here are the updated boards. We just need to...

FWIW here are the updated boards. We just need to try to figure out what is wrong. I don't want to waste any more money. :sad

https://i.postimg.cc/3xrtDVRC/a600.jpg...
Forum: Hardware mods 30 December 2019, 22:09
Replies: 281
Views: 22,610
Posted By Mick
I've ordered one, thank you.

I've ordered one, thank you.
Forum: Hardware mods 30 December 2019, 19:01
Replies: 281
Views: 22,610
Posted By Mick
The files I used to manufacture the PCB's are on...

The files I used to manufacture the PCB's are on the zone from 15 days ago it includes the Gerber's I think, I've already noted a few mistakes I've since found but none of them should prevent it from...
Forum: Hardware mods 28 December 2019, 15:04
Replies: 281
Views: 22,610
Posted By Mick
Ok thanks. I'll see what Acill's investigation...

Ok thanks. I'll see what Acill's investigation finds first and then I might pick up a multimeter.

I've done an updated board with the CXA1145/Modulator, Z221/Z222 (heard they degrade/leak anyway)...
Forum: Hardware mods 24 December 2019, 17:47
Replies: 281
Views: 22,610
Posted By Mick
Ok cheers. If I find a problem with one PCB will...

Ok cheers. If I find a problem with one PCB will it be the same across the batch or are the defects more random?
Forum: Hardware mods 24 December 2019, 14:47
Replies: 281
Views: 22,610
Posted By Mick
I'm considering getting a multimeter to spend 15...

I'm considering getting a multimeter to spend 15 million years checking connections one by one if Acill has no luck, I'll be damned if I don't succeed after everything I've already put into it....
Forum: Hardware mods 22 December 2019, 23:28
Replies: 281
Views: 22,610
Posted By Mick
Well that'll be a kick in the teeth if true...

Well that'll be a kick in the teeth if true although at least I'll have an answer as to why it's not working, I'll just have to wait for Acill to test the chipset and see. If it just turns out to be...
Forum: Hardware mods 21 December 2019, 17:14
Replies: 281
Views: 22,610
Posted By Mick
Alright, I checked the other things that KiCad is...

Alright, I checked the other things that KiCad is claiming are unconnected and they're connected so it looks to me like something changed with the recent update, I didn't think I would have ordered...
Forum: Hardware mods 21 December 2019, 17:02
Replies: 281
Views: 22,610
Posted By Mick
I just put together a circuit with a PC fan and...

I just put together a circuit with a PC fan and R161 is definitely connected to ground, so I'm back to thinking that it must be a dodgy chip on the donor board I gave Acill? I think Acill is using a...
Forum: Hardware mods 21 December 2019, 16:09
Replies: 281
Views: 22,610
Posted By Mick
I've been thinking what I could use but it'd...

I've been thinking what I could use but it'd probably mean dismantling something I'll be wanting to use a few months down the line, I'd might as well just wait for Acill to check it.
Showing results 1 to 40 of 496

 
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