Forum: support.Hardware
08 December 2019, 01:20
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Replies: 90
Views: 2,058
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Forum: support.Hardware
04 December 2019, 11:33
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Replies: 41
Views: 943
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Forum: support.Hardware
18 November 2019, 16:24
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Replies: 90
Views: 2,058
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Forum: support.Hardware
15 November 2019, 23:05
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Replies: 7
Views: 376
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Forum: support.Hardware
14 November 2019, 12:55
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Replies: 41
Views: 943
In the case of the A500, the green screen was...
In the case of the A500, the green screen was being caused by a power fluctuation on the 5V rail, although a multimeter showed 5V, the oscilloscope showed the 5V was actually oscillating rapidly...
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Forum: Hardware mods
13 November 2019, 21:31
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Replies: 267
Views: 43,488
If it helps, this is the fix posted for the...
If it helps, this is the fix posted for the Checkmate Zorro adaptor:
Checkmate 1500 Plus ACA500+ Issue
An issue has been reported with certain ACA500+ accelerators refusing to boot, or only...
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Forum: support.Hardware
13 November 2019, 20:23
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Replies: 17
Views: 588
She lives!
Replaced all the capacitors...
She lives!
Replaced all the capacitors except the ones on the audio filter and VCC was now showing a stable voltage (+/- .1V), DiagROM serial output was (kind of) working and at least I could see...
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Forum: support.Hardware
13 November 2019, 15:08
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Replies: 17
Views: 588
OK, had some issues, managed to kill my DiagROM...
OK, had some issues, managed to kill my DiagROM 1.1 chip (Always check chip alignment before powering on D'oh!)
DiagROM 1.2 just gives a screen with green and red lines.
Burned a new 1.1 chip, ran...
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Forum: support.Hardware
13 November 2019, 03:23
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Replies: 17
Views: 588
OK, Caps C811-C816 have been replaced, 5V line...
OK, Caps C811-C816 have been replaced, 5V line now settled at around 5.14V but still no joy. Now getting a light grey screen at boot. Checking the RST and HLT lines show both as High so there's...
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Forum: support.Hardware
12 November 2019, 11:51
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Replies: 17
Views: 588
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Forum: support.Hardware
12 November 2019, 00:48
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Replies: 17
Views: 588
I checked every trace in the RAM as I remember...
I checked every trace in the RAM as I remember having probelms with an A2052 card with broken traces but all the traces are fine. Followed them all the way to Agnus and Paula as well as U10-13, they...
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Forum: support.Hardware
11 November 2019, 01:58
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Replies: 17
Views: 588
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Forum: support.Hardware
11 November 2019, 01:57
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Replies: 8
Views: 523
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Forum: support.Hardware
10 November 2019, 19:39
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Replies: 32
Views: 669
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Forum: support.Hardware
10 November 2019, 13:34
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Replies: 32
Views: 669
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Forum: support.Hardware
09 November 2019, 23:43
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Replies: 32
Views: 669
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Forum: support.Hardware
09 November 2019, 16:57
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Replies: 17
Views: 588
U10 - U13 are all fine, there is continuity to...
U10 - U13 are all fine, there is continuity to where they are supposed to go.
I've reseated Gary, Paula and the CPU , I've even replaced the sockets for Gary and Paula just to be on the safe side...
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Forum: support.Hardware
09 November 2019, 01:04
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Replies: 17
Views: 588
A500 memory issues
I recently bought an A500 cheap in the hopes of fixing it but I think it may be beyond me.
When I got it it was displaying a green screen at boot indicating a RAM issue.
I first swapped the Agnus...
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Forum: support.Hardware
07 November 2019, 13:40
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Replies: 143
Views: 19,708
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Forum: Hardware mods
04 November 2019, 21:24
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Replies: 37
Views: 4,208
The donor chip was this:
...
The donor chip was this:
https://www.utsource.net/itm/p/456204.html
I've just built another V3, same visual corruption, almost exactly the same pattern as well. it starts with a single strip of...
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Forum: Hardware mods
03 November 2019, 18:07
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Replies: 37
Views: 4,208
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Forum: Hardware mods
03 November 2019, 16:55
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Replies: 37
Views: 4,208
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Forum: support.Hardware
29 October 2019, 22:38
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Replies: 5
Views: 233
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Forum: support.Hardware
29 October 2019, 14:34
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Replies: 16
Views: 571
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Forum: support.Hardware
25 October 2019, 14:14
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Replies: 15
Views: 574
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Forum: support.Hardware
25 October 2019, 12:02
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Replies: 15
Views: 574
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Forum: support.Hardware
25 October 2019, 00:32
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Replies: 16
Views: 571
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Forum: support.Hardware
24 October 2019, 14:08
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Replies: 12
Views: 378
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Forum: support.Hardware
24 October 2019, 13:28
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Replies: 16
Views: 571
Theres an A1000 schematic here:...
Theres an A1000 schematic here: http://www.devili.iki.fi/mirrors/4x4.hopto.org/
That appears to have the expansion board schematic, it's the first zip file in the list and the expansion schematic is...
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Forum: support.Hardware
23 October 2019, 15:57
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Replies: 3
Views: 261
If you had some pictures it could probably help...
If you had some pictures it could probably help us identify the board and advise. if it's a battery that's leaked you'll want to give the board a wash down with white vinegar to neutralize the alkali...
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Forum: Retrogaming General Discussion
07 October 2019, 17:42
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Replies: 50
Views: 3,193
I think the Amiga was more hurt by Commodore's...
I think the Amiga was more hurt by Commodore's frankly ludicrous business decisions than Motorola's lack of movement from 68K to PPC.
Plus the PowerPC processor wasn't introduced till 1992 which is...
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Forum: support.Hardware
01 October 2019, 13:29
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Replies: 143
Views: 19,708
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Forum: support.Hardware
25 September 2019, 10:43
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Replies: 3
Views: 315
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Forum: support.Hardware
18 September 2019, 22:38
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Replies: 10
Views: 711
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Forum: support.Hardware
18 September 2019, 00:22
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Replies: 10
Views: 711
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Forum: support.Hardware
17 September 2019, 11:16
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Replies: 10
Views: 711
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Forum: support.Hardware
09 September 2019, 01:59
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Replies: 15
Views: 584
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Forum: support.Hardware
05 September 2019, 17:36
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Replies: 14
Views: 458
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Forum: support.Hardware
05 September 2019, 15:39
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Replies: 14
Views: 458
Well, you can create partitions up to the 32Gb...
Well, you can create partitions up to the 32Gb size but you will get an out of memory error when trying to format it as Workbench won;t be bale to validate the formatting. You can increase the file...
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Forum: support.Hardware
05 September 2019, 00:52
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Replies: 14
Views: 458
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