Search found 267 matches

by ZrX
Fri Jan 18, 2019 6:55 pm
Forum: General
Topic: Need advice on how to recover 5.25" floppy
Replies: 10
Views: 87

Re: Need advice on how to recover 5.25" floppy

Best method is often using isopropyl alcohol soaked q-tips to scrub the drive heads. There are special cleaning disks too if you can find one, but sometimes a dirty disk can make such a mess on the heads that the cleaning disk doesn't really work its magic. You have to remove the drive and in some c...
by ZrX
Fri Jan 18, 2019 3:35 pm
Forum: General
Topic: Need advice on how to recover 5.25" floppy
Replies: 10
Views: 87

Re: Need advice on how to recover 5.25" floppy

The old PC -solution is probably the best in this case.

I'd write protect the floppies, make sure the surface is clean, and also clean the drive head(s) as those can and will get dirty over time and can then cause damage to the disks.
by ZrX
Sun Jan 13, 2019 6:31 pm
Forum: Support
Topic: Validated Amiga Disks, but "no flux reversal found"
Replies: 13
Views: 377

Re: Validated Amiga Disks, but "no flux reversal found"

Good news then. :)

So was the pin dirty right from the beginning?

And Munich is a bit too far from Finland. :)
by ZrX
Sat Jan 12, 2019 10:06 pm
Forum: Support
Topic: Validated Amiga Disks, but "no flux reversal found"
Replies: 13
Views: 377

Re: Validated Amiga Disks, but "no flux reversal found"

Having two bad cables is kinda unlikely, but all bets are in.
by ZrX
Sat Jan 12, 2019 10:00 pm
Forum: Support
Topic: ZX Spectrum Opus Discovery 3.5" Dumps
Replies: 4
Views: 2184

Re: ZX Spectrum Opus Discovery 3.5" Dumps

Writing back such dumps would require them to be converted back to KF raw files in correct low level format first. Unfortunately to my knowledge no one has made such utility yet.
by ZrX
Sat Jan 12, 2019 6:34 pm
Forum: Support
Topic: Validated Amiga Disks, but "no flux reversal found"
Replies: 13
Views: 377

Re: Validated Amiga Disks, but "no flux reversal found"

The greed LED flashing when you short the pins on the board connector but not when you short them from the cable would mean the cable is faulty and has no connection all the way through to the pin on the KryoFlyx.
by ZrX
Tue Jan 08, 2019 8:08 pm
Forum: Support
Topic: Validated Amiga Disks, but "no flux reversal found"
Replies: 13
Views: 377

Re: Validated Amiga Disks, but "no flux reversal found"

Here's a custom firmware to test your board. KFReadTestfw.zip Rename the firmware.bin file from where you installed the KryoFlux software. Then unpack firmware.bin from this archive to the same location so this version gets loaded on the board instead of the original file. Disconnect drive(s) from y...
by ZrX
Mon Jan 07, 2019 11:26 am
Forum: Support
Topic: Validated Amiga Disks, but "no flux reversal found"
Replies: 13
Views: 377

Re: Validated Amiga Disks, but "no flux reversal found"

I'll try to come up with some solutions to try.
by ZrX
Sun Jan 06, 2019 1:34 pm
Forum: Support
Topic: Validated Amiga Disks, but "no flux reversal found"
Replies: 13
Views: 377

Re: Validated Amiga Disks, but "no flux reversal found"

This does sound like the KryoFlux somehow doesn't see anything from the read line suggesting the on board buffering chip might've become faulty. Atleast a multimeter would be handy for checking if the chip is passing data through.
by ZrX
Sat Dec 15, 2018 11:07 pm
Forum: Support
Topic: Flippy-Mod Panasonic JU-475-3C08
Replies: 2
Views: 267

Re: Flippy-Mod Panasonic JU-475-3C08

Since backing to track -8 works the mod is working.

And typical C64 disk only has 35 tracks so the output is correct.