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Forum: support.Hardware 15 March 2020, 10:29
Replies: 4
Views: 273
Posted By jlin_au
Your Machine boots to Workbench 3.0 and then runs...

Your Machine boots to Workbench 3.0 and then runs other apps with no issues?

If possible, check that you have the correct kickstart 3.0 ROM Part Numbers for an Amiga 1200 39.106 - ...
Forum: support.Hardware 14 March 2020, 07:27
Replies: 4
Views: 273
Posted By jlin_au
A guru 0x8000000E "Stack frame format error" ...

A guru 0x8000000E "Stack frame format error" indicates a "Format error" was detected by the Amiga 1200's 68EC020 CPU while executing a RTE (Return from Exception) instruction when it checked the...
Forum: support.Hardware 07 March 2020, 17:42
Replies: 16
Views: 440
Posted By jlin_au
It is possible to modify an Amiga 500 with a Rev6...

It is possible to modify an Amiga 500 with a Rev6 or higher motherboard to have 1MB of chip ram installed on the motherboard and an extra 1MB of chip ram installed in the Trapdoor. A Fat Agnus...
Forum: support.Hardware 07 March 2020, 16:53
Replies: 14
Views: 638
Posted By jlin_au
The values of the resistor capacitor pair R612...

The values of the resistor capacitor pair R612 and C612 actually determine the length of the monostable logic 1 pulse on pin 3 of the 555 IC used in the power up reset circuit. The generated logic 1...
Forum: support.Hardware 07 March 2020, 16:12
Replies: 16
Views: 440
Posted By jlin_au
You can have full functionality with ACA500+ and...

You can have full functionality with ACA500+ and then fix/replace the expansion later at your leisure.
Forum: support.Hardware 06 March 2020, 21:44
Replies: 4
Views: 490
Posted By jlin_au
1) What type of EPROM ICs are you using? An Amiga...

1) What type of EPROM ICs are you using? An Amiga 500 (excluding a rev5 board) requires a 27C400 type EPROM.
2) Are you using an existing kickstart v3.1.4 Amiga 500 ROM to generate the source image...
Forum: support.Hardware 06 March 2020, 20:55
Replies: 2
Views: 151
Posted By jlin_au
sounds like your using a utility that expects HxC...

sounds like your using a utility that expects HxC firmware Gotek to be flashed to the Gotek when you actually have FlashFloppy firmware installed or have an issue with flashfloppy's "HxC...
Forum: support.Hardware 06 March 2020, 20:43
Replies: 16
Views: 440
Posted By jlin_au
Take lots of good pictures before starting so you...

Take lots of good pictures before starting so you have a record of what cap goes where and in what orientation when you install the replacements.

Remove all the electrolytic capacitors and clean...
Forum: support.Hardware 06 March 2020, 20:33
Replies: 16
Views: 440
Posted By jlin_au
The trapdoor expansion memory operates as it...

The trapdoor expansion memory operates as it normally would (as slow ram) except it would be mapped starting at address c00000 hex.

The ACA500plus has its own 8MB of ram installed that will be...
Forum: support.Hardware 06 March 2020, 20:12
Replies: 16
Views: 440
Posted By jlin_au
Check your Amiga 500 trapdoor memory expansion...

Check your Amiga 500 trapdoor memory expansion card for an enable/disable switch or jumper. It's possible that you've put the card into disabled mode.
Also check both the expansion card and your...
Forum: support.Hardware 06 March 2020, 19:53
Replies: 14
Views: 638
Posted By jlin_au
Also, on the first A600 does a Soft reset appear...

Also, on the first A600 does a Soft reset appear to work?
Forum: support.Hardware 06 March 2020, 19:52
Replies: 14
Views: 638
Posted By jlin_au
The A600 rev 1.5 schematics...

The A600 rev 1.5 schematics (http://www.amigawiki.org/dnl/schematics/A600_R1.5.pdf) are available on webpage http://www.amigawiki.org/doku.php?id=en:service:schematics)

TIP for any future...
Forum: support.Hardware 01 March 2020, 06:27
Replies: 3
Views: 179
Posted By jlin_au
Check the following schematic...

Check the following schematic https://www.amigawiki.org/dnl/schematics/A2000_R6.pdf

Suspect the issue is one or more of the tracks, vias, or components that connect the keyboard connector CN300 to...
Forum: support.Hardware 28 January 2020, 17:05
Replies: 3
Views: 322
Posted By jlin_au
You might be better off with bidirectional logic...

You might be better off with bidirectional logic converters similar to the following:
https://www.sparkfun.com/products/11771?_ga=2.247200077.83959793.1580227026-891757018.1580227026...
Forum: support.Hardware 08 January 2020, 13:27
Replies: 17
Views: 742
Posted By jlin_au
Probably a very silly question BUT did you...

Probably a very silly question BUT did you thoroughly clean both weighted ball and the physical rod(s) and roller it turns against in the mouse ball cavity?

These old mechanical ball mice are...
Forum: support.Hardware 12 October 2019, 18:35
Replies: 9
Views: 490
Posted By jlin_au
It is fixable; just a matter of replacing the...

It is fixable; just a matter of replacing the affected pin header with a new one.
It will probably require some soldering.

Pack the card properly in its anti-static packaging and take it to you...
Forum: support.WinUAE 08 October 2019, 09:04
Replies: 12
Views: 768
Posted By jlin_au
Depends on your computer hardware and how it is...

Depends on your computer hardware and how it is set up as well. From you location I'd assume that you have a Windows PC with a Finnish keyboard attached.

If so, open Notepad, Wordpad, or some...
Forum: support.Hardware 11 September 2019, 09:14
Replies: 413
Views: 184,828
Posted By jlin_au
For amiga 1200 owners, having an 8 MB memory...

For amiga 1200 owners, having an 8 MB memory expansion card installed in the 1200's expansion slot will cause memory addressing conflicts with PCMCIA cards especially those for interfacing to CF...
Forum: support.Hardware 11 September 2019, 07:56
Replies: 16
Views: 562
Posted By jlin_au
You have an address space conflict for the second...

You have an address space conflict for the second 4 MB on your 8 Mb expansion card when you plug in a PCMCIA card on an Amiga 1200.

This is normal as the PCMCIA card slot uses the same 4MB...
Forum: support.Hardware 10 September 2019, 11:10
Replies: 7
Views: 323
Posted By jlin_au
Check: 1) that your drive has the mods...

Check:
1) that your drive has the mods mentioned in the YouTube video (see jolly11's post). If not then you'll need to make the required changes yourself.

As per the video, I'd also use solder...
Forum: OT - Technical 09 September 2019, 20:18
Replies: 15
Views: 1,220
Posted By jlin_au
Don't bother trying a modern SSD in this laptop;...

Don't bother trying a modern SSD in this laptop; Win98SE lacks the TRIM support required by SSDs.

I'd go for a 44pin IDE to CF adapter card instead with a small capacity (<32 or <64GB) CF card....
Forum: support.Hardware 09 September 2019, 19:53
Replies: 7
Views: 323
Posted By jlin_au
Check the disk detection switches inside the...

Check the disk detection switches inside the floppy drive, one will match the write protect hole, one the HD floppy hole, and the third with be the inserted disk/disk change switch.

The inserted...
Forum: support.Hardware 09 September 2019, 19:36
Replies: 24
Views: 1,006
Posted By jlin_au
I'd say that we need more information: 1)...

I'd say that we need more information:
1) memory expansion/CPU accelerator card installed in the A1200
2) brand and supplier of the PCMCIA-to-CF adapter; E.g. Amigakit, ... and are the supplier's...
Forum: support.Hardware 09 September 2019, 18:33
Replies: 5
Views: 450
Posted By jlin_au
I'd say that any epoxy used should be...

I'd say that any epoxy used should be non-conductive to prevent unwanted circuits from forming when you use the epoxy to glue down the new replacement pad.

You'll need to use bodge wires to...
Forum: support.Hardware 29 August 2019, 17:40
Replies: 15
Views: 626
Posted By jlin_au
The electrolytic fluid residue from the leaking...

The electrolytic fluid residue from the leaking electrolytic capacitors is corrosive needs to be neutralized and cleaned up or it will keep corroding the exposed metal of the PCB traces and the other...
Forum: support.WinUAE 16 June 2019, 09:35
Replies: 6
Views: 1,009
Posted By jlin_au
Your problem is that USB connected floppy drives...

Your problem is that USB connected floppy drives are normally unable to read floppy disks written in one of the Amiga standard formats. The included floppy controller in the USB floppy drive is only...
Forum: support.Hardware 26 May 2019, 21:07
Replies: 7
Views: 558
Posted By jlin_au
The website http://www.amigapcb.org/ is...

The website http://www.amigapcb.org/ is definitely up now
Forum: support.Hardware 21 May 2019, 05:09
Replies: 5
Views: 343
Posted By jlin_au
For Amiga 600 R1.5 and R2.0 boards look at...

For Amiga 600 R1.5 and R2.0 boards look at crystal X1 :
o for NTSC it will be 28.63636 MHz
o for PAL it will be 28.37512 MHz
Forum: support.Hardware 21 May 2019, 05:00
Replies: 1
Views: 222
Posted By jlin_au
Hello Orion. There are several historical...

Hello Orion.

There are several historical posts with similar symptoms on EAB alone. http://eab.abime.net/showthread.php?t=79661 and http://eab.abime.net/showthread.php?t=39295 see4m to be...
Forum: support.Hardware 18 May 2019, 12:35
Replies: 3
Views: 281
Posted By jlin_au
spray it with electrical contact cleaner and...

spray it with electrical contact cleaner and insert and remove the power lug several times
Forum: support.Hardware 18 May 2019, 10:26
Replies: 3
Views: 281
Posted By jlin_au
From the symptoms I'd say that you're overloading...

From the symptoms I'd say that you're overloading the power traces on the motherboard of the 2nd 1200 or have an issue with the 1200's power socket connections to either the motherboard or the power...
Forum: support.Hardware 14 May 2019, 21:03
Replies: 27
Views: 1,347
Posted By jlin_au
Try searching for "DIP IC extraction tool" on...

Try searching for "DIP IC extraction tool" on eBay, Amazon, or Google.

I found several listed on Ebay including "OK INDUSTRIES" branded Aluminum Extraction Tools for 24 to 40 pin DIP ICs that...
Forum: support.Hardware 22 April 2019, 18:00
Replies: 4
Views: 588
Posted By jlin_au
Check and clean the edge connector on both the...

Check and clean the edge connector on both the cd32 side as well as the TF328 side.

If they are made with certain differing materials then an electrochemical reaction between the differing metal...
Forum: Coders. Asm / Hardware 10 April 2019, 16:40
Replies: 20
Views: 2,832
Posted By jlin_au
No, although the 68010 instruction cache would...

No, although the 68010 instruction cache would make the loop of instructions execute faster as long as the entire instruction loop could be held in that internal CPU cache. The 680x0 CPU internal...
Forum: support.Hardware 10 April 2019, 15:08
Replies: 13
Views: 641
Posted By jlin_au
No, I'm serious. Individual Computers has...

No, I'm serious.

Individual Computers has new stock of their ACA500plus accelerator that adds a 1200 type clock port to a 500 plus 8MB of ram (see store page ...
Forum: support.Hardware 09 April 2019, 06:05
Replies: 13
Views: 641
Posted By jlin_au
If you were using a 1200 instead of a 500 I'd...

If you were using a 1200 instead of a 500 I'd have recommended using a clockport based Indivision Rapidroad USB with a USB connected PC Floppy drive ;-)
Forum: support.Hardware 09 April 2019, 05:48
Replies: 23
Views: 1,220
Posted By jlin_au
If you need more power then you can also try one...

If you need more power then you can also try one of the larger footprint, higher wattage Mean Well multi voltage switch mode power supply modules like the following current production 110 to 240 VAC...
Forum: support.Hardware 09 April 2019, 05:19
Replies: 8
Views: 374
Posted By jlin_au
Try the interactive A1200 pcbs versions on the ...

Try the interactive A1200 pcbs versions on the http://www.amigapcb.org/ website.
Forum: support.Hardware 01 April 2019, 06:10
Replies: 15
Views: 847
Posted By jlin_au
Does the CD32 keyboard have the same PS2 6 pin...

Does the CD32 keyboard have the same PS2 6 pin type mini din connector on both ends?

If so then you can still buy new black PS2 six pin connectors from Jaycar Electronics in the UK (see...
Forum: New to Emulation or Amiga scene 31 March 2019, 07:52
Replies: 17
Views: 1,531
Posted By jlin_au
The broken keys definitely look like Mitsumi...

The broken keys definitely look like Mitsumi hybrid ones with their square connections; ignore the white caps and springs used to return the key to its unstruck position. See halfway down the...
Showing results 1 to 40 of 74

 
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