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Forum: support.Hardware 23 October 2017, 20:47
Replies: 14
Views: 415
Posted By fordav1
I have fixed a few A600's with exactly that...

I have fixed a few A600's with exactly that problem, where the expansion RAM is not seen. The problem is caused by open vias caused by leaking SMD electrolytic caps. Trace all the pins from the...
Forum: Hardware mods 18 October 2017, 18:36
Replies: 6
Views: 953
Posted By fordav1
yeah replace the DIP64 socket on motherboard. the...

yeah replace the DIP64 socket on motherboard. the pins on the bottom side of the kipper board (or any other similar add-in board) are thicker than chip legs so you can only put it in and out a few...
Forum: support.Hardware 01 October 2017, 10:28
Replies: 24
Views: 1,109
Posted By fordav1
the CXA1145 is near the SMD capacitor area and...

the CXA1145 is near the SMD capacitor area and tracks to/from it pass near the caps around the power connector area. If you get an intermittent connection on the video RGB I would suspect some prior...
Forum: support.Hardware 01 October 2017, 10:17
Replies: 23
Views: 1,077
Posted By fordav1
corruption points to bad flicker fixer RAM or...

corruption points to bad flicker fixer RAM or connections to/from those RAMs as I mentioned in the post 2 weeks ago....
Forum: support.Hardware 01 October 2017, 09:59
Replies: 26
Views: 1,514
Posted By fordav1
On A500/A500+ the two blue caps on the top left...

On A500/A500+ the two blue caps on the top left of the board at the back near the VIDIOT Hybrid and RGB 23 pin port should be changed if they are original SHOEI 3300uF 10V (C401, C402). When either...
Forum: support.Hardware 20 September 2017, 12:48
Replies: 23
Views: 1,077
Posted By fordav1
the pot on the rear tunes the 31.75kHz sync VGA...

the pot on the rear tunes the 31.75kHz sync VGA signal to the monitor. that info is in the A3000 manual....
http://www.bombjack.org/amiga/amiga-commodore/Introducing_the_Commodore_3000.pdf
I...
Forum: support.Hardware 20 September 2017, 11:16
Replies: 3
Views: 230
Posted By fordav1
as far as I can see nothing is available (i.e....

as far as I can see nothing is available (i.e. selling) yet since it's inception back in July The A1k.org version might be the way to go since it exists, is tested working and is available now.
Forum: Hardware mods 20 September 2017, 11:09
Replies: 119
Views: 12,721
Posted By fordav1
while the comm settings are not quite right, it...

while the comm settings are not quite right, it reads just fine. simply remove all leading spaces with a script or text editor.
e.g.....
Forum: support.Hardware 18 September 2017, 17:26
Replies: 23
Views: 1,077
Posted By fordav1
the data on the Amiga 23-pin RGB port and the...

the data on the Amiga 23-pin RGB port and the HD15 VGA port is not the same. The VGA port data is fed from the RAMs mentioned above. You can't just wire pins from the RGB port to the VGA port. The...
Forum: support.Hardware 18 September 2017, 17:13
Replies: 7
Views: 407
Posted By fordav1
its just 9 volts AC, nothing special. 2 wires and...

its just 9 volts AC, nothing special. 2 wires and it doesn't even matter which order you put them into the VIC because it's AC. It's just basic electrical theory which means you could find the info...
Forum: support.Hardware 18 September 2017, 16:48
Replies: 16
Views: 591
Posted By fordav1
it needs recapping too. they have not been done,...

it needs recapping too. they have not been done, it's clear the caps are original and have started to leak because around the caps it's all crusty and the solder holding the caps is dull, meaning...
Forum: support.Hardware 17 September 2017, 19:49
Replies: 23
Views: 1,077
Posted By fordav1
as I said at the end of my previous post, if you...

as I said at the end of my previous post, if you are seeing bad pixels check the flicker-fixer RAM outputs and connections to/from the other connected parts.
Forum: support.Hardware 17 September 2017, 15:39
Replies: 7
Views: 300
Posted By fordav1
the usb flash method requires that the firmware...

the usb flash method requires that the firmware is working. if it gets screwed up simply flash it using a serial to usb adapter like shown in the docs of the flash floppy firmware.
Forum: support.Hardware 17 September 2017, 10:14
Replies: 4
Views: 294
Posted By fordav1
I wouldn't just replace it. the board now has a...

I wouldn't just replace it. the board now has a lot of carbon build-up on it. you must remove all of that black stuff because you probably have a short to ground. you should ideally figure out why...
Forum: support.Hardware 17 September 2017, 10:03
Replies: 5
Views: 824
Posted By fordav1
you could test the CIAs using Systest..... ...

you could test the CIAs using Systest.....
https://github.com/keirf/Amiga-Stuff
Find the Google Drive link and download the ADF, write to floppy etc (easiest way is using A600/A1200 CF card) and...
Forum: support.Hardware 17 September 2017, 09:45
Replies: 16
Views: 591
Posted By fordav1
no don't do that. you are only doing a band-aid...

no don't do that. you are only doing a band-aid fix. the connector is damaged and those replaced pins will not be properly supported by the plastic and will just bend again and make it worse,...
Forum: support.Hardware 17 September 2017, 09:16
Replies: 7
Views: 407
Posted By fordav1
assuming your VIC is the top one shown here.......

assuming your VIC is the top one shown here.... http://www.classiccmp.org/dunfield/vic20/h/rside.jpg
you could just use a 9VAC power brick like this....
http://www.ebay.com/itm/361957394160
They...
Forum: Hardware mods 16 September 2017, 14:15
Replies: 34
Views: 10,954
Posted By fordav1
the vidiot gerbers/schematic/bom is available via...

the vidiot gerbers/schematic/bom is available via a1k.org
http://www.a1k.org/forum/showthread.php?t=45476
Forum: support.Hardware 16 September 2017, 13:55
Replies: 16
Views: 591
Posted By fordav1
trace all pins on IDE44 to their origins as per...

trace all pins on IDE44 to their origins as per schematics. likely you will find broken tracks under the connector from a previous leaky cap. I've seen that problem a lot on both A600 and A1200. if...
Forum: support.Hardware 16 September 2017, 13:44
Replies: 17
Views: 1,661
Posted By fordav1
the 1901 is designed for use with C128, so wire...

the 1901 is designed for use with C128, so wire up a cable for 9-pin RGBi as per C128 cable specs.
As-is from factory, the 1901 won't work with Amiga because Amiga needs analog RGB.
You can do the...
Forum: support.Hardware 16 September 2017, 13:21
Replies: 23
Views: 1,077
Posted By fordav1
Amber is a long way away from the battery. 4" to...

Amber is a long way away from the battery. 4" to be exact. Certainly enough to not be affected by the battery if it had leaked. I've repaired several A3000's and none of them had any damage near...
Forum: support.Hardware 15 September 2017, 16:17
Replies: 24
Views: 1,109
Posted By fordav1
All chips will probably be ok. I would not mess...

All chips will probably be ok. I would not mess with chips unless you know them to be blown up. Generally the A1200 is a very reliable machine and chips don't go bad.
In almost all cases you will...
Forum: support.Hardware 11 September 2017, 09:41
Replies: 12
Views: 593
Posted By fordav1
as far as I know you have to get a specific...

as far as I know you have to get a specific revision of the 060 for the GBA1000 turbo card. Regardless, overclocking an 060 is no different to any other CPU. there are better and more informed places...
Forum: Hardware mods 10 September 2017, 07:57
Replies: 3
Views: 1,097
Posted By fordav1
the Teac FDD's with BH9521 are not documented. ...

the Teac FDD's with BH9521 are not documented.
Closest thing is this....
http://www.kipper2k.com/amiga/teac.jpg
http://eab.abime.net/showthread.php?t=30944&page=14
post #278
to set DS0 simply...
Forum: support.Hardware 10 September 2017, 07:33
Replies: 15
Views: 883
Posted By fordav1
Look on the back of the monitor. If you see...

Look on the back of the monitor. If you see "1084S-P1" then it's not the cable it's the DB9 connector that has come loose. the DB9 can be re-soldered without having to disassemble the monitor. You...
Forum: support.Hardware 10 September 2017, 07:12
Replies: 12
Views: 593
Posted By fordav1
The GBA1000 turbo card is *designed* to run at...

The GBA1000 turbo card is *designed* to run at 100MHz. You MUST use a heatsink and fan.
Forum: support.Hardware 10 September 2017, 07:09
Replies: 7
Views: 588
Posted By fordav1
old power supplies are relatively easy to fix....

old power supplies are relatively easy to fix. first change all the capacitors.
if that doesn't fix it you can start changing other simple parts like the switching transistors, diodes etc. if one of...
Forum: support.Hardware 10 September 2017, 07:01
Replies: 15
Views: 883
Posted By fordav1
since it worked for a while and you just swapped...

since it worked for a while and you just swapped the CIAs, it can mean one of your CIAs is bad or a bad connection on sockets and chips and removing and replacing the CIAs temporarily fixed it. That...
Forum: support.Hardware 09 September 2017, 02:36
Replies: 2
Views: 218
Posted By fordav1
1. Set a VGA-compatible screen mode like...

1. Set a VGA-compatible screen mode like Productivity then save it. Remove the MK1 and see if you get an output at first power on from the normal Amiga video connector (assuming you have a DB23-HD15...
Forum: Hardware mods 30 August 2017, 11:14
Replies: 8
Views: 2,984
Posted By fordav1
do not touch the chip or bend legs, you will...

do not touch the chip or bend legs, you will damage the chip beyond repair.
just cut the tracks **carefully** then if you want to reverse it simply scratch the green mask off the trace and join it...
Forum: project.ClassicWB 29 August 2017, 17:38
Replies: 20
Views: 5,532
Posted By fordav1
Not sure about Cloanto's practices, but on the...

Not sure about Cloanto's practices, but on the ACA500+, Individual Computers provides a full set of 6 licensed 3.1 disks which are unpacked into memory and available on the desktop. However they have...
Forum: support.Hardware 29 August 2017, 17:24
Replies: 20
Views: 744
Posted By fordav1
you can get the VID (Vendor ID) and PID (Product...

you can get the VID (Vendor ID) and PID (Product ID) of most USB drives using software.
ChipGenius is a good one but there are plenty of others.......
Forum: support.Hardware 29 August 2017, 17:10
Replies: 54
Views: 1,920
Posted By fordav1
I made a few Amiga floppy cables from old dead PC...

I made a few Amiga floppy cables from old dead PC power supplies. I chopped off the floppy connectors each with about 2" of wire attached and soldered the same color wires together then heat-shrinked...
Forum: Hardware mods 29 August 2017, 16:45
Replies: 4
Views: 1,274
Posted By fordav1
they both appear to be fan housings. you can see...

they both appear to be fan housings. you can see the right one through the trap door cover under the accelerator, probably directing the air to the CPU
Forum: support.Hardware 29 August 2017, 16:37
Replies: 54
Views: 1,920
Posted By fordav1
not quite. many floppy drives do use 12V,...

not quite. many floppy drives do use 12V, especially older ones. while it is true there are a lot that only need 5V, you can't say all floppy drives don't need 12V because that is just wrong.
Forum: support.Hardware 29 August 2017, 16:28
Replies: 54
Views: 1,920
Posted By fordav1
LOL! you asked for a link for a $10 Gotek. I...

LOL! you asked for a link for a $10 Gotek. I provided it.
There's 1000's of Goteks for sale. If you bid, chances are no one else will bid, and if they do you simply don't bid again and you bid on...
Forum: support.Hardware 29 August 2017, 14:55
Replies: 54
Views: 1,920
Posted By fordav1
I recently bought 4 for $40 and postage was $8. ...

I recently bought 4 for $40 and postage was $8.
I suppose you can't get the internet on your embroidery machine? Or you're still using a PC XT IBM 5150 or something. Maybe you haven't heard.......
Forum: support.Hardware 29 August 2017, 14:31
Replies: 54
Views: 1,920
Posted By fordav1
No idea what that DfuSe thing is. You don't need...

No idea what that DfuSe thing is. You don't need it.

1. Buy the USB to RS232 adapter. It's a dollar with free postage http://www.ebay.com.au/itm/191732705775

2. Download the free STM software...
Forum: support.Hardware 29 August 2017, 14:28
Replies: 54
Views: 1,920
Posted By fordav1
Gotek doesn't use 12V. One reason is cutting the...

Gotek doesn't use 12V. One reason is cutting the wire is a safety precaution to stop bad things happening when the power cable is plugged in backwards. But it sounds like the guy doesn't know what he...
Forum: support.Hardware 28 August 2017, 18:04
Replies: 54
Views: 1,920
Posted By fordav1
also the power connector is keyed like all other...

also the power connector is keyed like all other floppy drives are so it will only go one way. It is possible to put it in backwards if you ram it in there and force it hard, but doing that will send...
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