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Search: Posts Made By: solarmon
Forum: Swapshop 26 November 2020, 16:00
Replies: 3
Views: 201
Posted By solarmon
I was going to do an inventory of my magazine...

I was going to do an inventory of my magazine CDROMs. I'm expecting some duplicates, so we could do swaps.
Forum: support.Hardware 26 November 2020, 10:30
Replies: 27
Views: 798
Posted By solarmon
Yes, as stated previously, the _MTR0 signal tells...

Yes, as stated previously, the _MTR0 signal tells the spindle motor to turn on. The same _MTR0 signal is used to also turn on the Floppy LED - as per the schematic.

So if the spindle motor is...
Forum: support.Hardware 25 November 2020, 12:12
Replies: 27
Views: 798
Posted By solarmon
@B93 I've drawn up the following diagram to...

@B93

I've drawn up the following diagram to try to visualise what should have continuity to what:

http://i.imgur.com/HxC19iu.png (https://imgur.com/HxC19iu)

There shouldn't be any continuity...
Forum: support.Hardware 24 November 2020, 22:42
Replies: 27
Views: 798
Posted By solarmon
Sorry, I did not mean it was a circuit for the...

Sorry, I did not mean it was a circuit for the keyboard itself. It is for the keyboard connector on the A500 motherboard. You need to check those components on the A500 motherboard.
Forum: support.Hardware 24 November 2020, 12:06
Replies: 27
Views: 798
Posted By solarmon
If you look at the (A500 rev 6A) schematics: ...

If you look at the (A500 rev 6A) schematics:

https://www.amigawiki.org/dnl/schematics/A500_R6.pdf

You will find the circuit for the keyboard:

http://i.imgur.com/rK5Kd0w.png...
Forum: support.Hardware 23 November 2020, 23:54
Replies: 27
Views: 798
Posted By solarmon
C711 is part of the reset circuit, nothing to do...

C711 is part of the reset circuit, nothing to do with the disk drive.

Confirm that you mean C711 and what the 'issue' with it is.
Forum: support.Hardware 22 November 2020, 17:44
Replies: 6
Views: 365
Posted By solarmon
I haven't used it, but the Goex also has pinouts...

I haven't used it, but the Goex also has pinouts for a Blue Pill to support FlashFloppy OSD. So a nice all-in-one unit.
Forum: support.Hardware 22 November 2020, 12:37
Replies: 27
Views: 798
Posted By solarmon
Normally, when the floppy LED is on all the time...

Normally, when the floppy LED is on all the time it means either the floppy data cable is reversed or there is no power getting to the floppy drive.

But in both cases the floppy drive wouldn't be...
Forum: support.Hardware 22 November 2020, 10:42
Replies: 27
Views: 798
Posted By solarmon
The floppy light is the /INUSE signal, which is...

The floppy light is the /INUSE signal, which is connected to the /MTR0 signal - so it could be that the /MTR0 signal is always active (low).

The /MTR0 comes via the Even CIA (U8), Gary (U5) and...
Forum: support.Hardware 21 November 2020, 23:50
Replies: 75
Views: 34,208
Posted By solarmon
The ADF support is still under testing - it...

The ADF support is still under testing - it hasn't got a stable release just yet. But the testing I have done with it, it's awesome!
Forum: Hardware mods 21 November 2020, 23:35
Replies: 39
Views: 25,173
Posted By solarmon
I've created the adapter board in KiCAD based on...

I've created the adapter board in KiCAD based on my mappings.

This is my first KiCAD project. I'm still learning so there may be a few issues with it.

You can find the KiCAD files at:
...
Forum: Hardware mods 21 November 2020, 18:08
Replies: 25
Views: 1,068
Posted By solarmon
I think it is an SOT89-3 - that has matching...

I think it is an SOT89-3 - that has matching dimensions - 4.5mm (A) x 2.5mm (B):

https://en.wikipedia.org/wiki/Small-outline_transistor
...
Forum: Hardware mods 21 November 2020, 18:04
Replies: 25
Views: 1,068
Posted By solarmon
Seems like I was mistaken. It is not an SOT-223...

Seems like I was mistaken. It is not an SOT-223 package. That is too big.

The TR9 component is about 4.5mm wide and an SOT-223 package is 6.5mm wide. Well, the one I had purchased is that size.
...
Forum: Hardware mods 20 November 2020, 12:32
Replies: 25
Views: 1,068
Posted By solarmon
I'm no electronics engineer, but if I were to try...

I'm no electronics engineer, but if I were to try the replacement myself I would search for a "SOT223 PNP transistor" - like this one:

https://docs.rs-online.com/b07c/0900766b812e0bba.pdf

which...
Forum: Hardware mods 20 November 2020, 00:15
Replies: 25
Views: 1,068
Posted By solarmon
Amiga Test Kit is the best IMHO.

Amiga Test Kit is the best IMHO.
Forum: Hardware mods 19 November 2020, 21:21
Replies: 25
Views: 1,068
Posted By solarmon
Sorry, yes TR9. I don't have the component,...

Sorry, yes TR9.

I don't have the component, but you should be able to get an SMT/SMD PNP transistor / voltage regulator with the same pinouts.
Forum: Hardware mods 19 November 2020, 20:22
Replies: 25
Views: 1,068
Posted By solarmon
Oh, sorry, I forgot you had mentioned that...

Oh, sorry, I forgot you had mentioned that already.



In diode continuity mode, I do get voltage across A-B (0.673V) and C-B (1.816V).

I suspect your C9 is maybe the component that has burnt?
Forum: Hardware mods 19 November 2020, 17:25
Replies: 25
Views: 1,068
Posted By solarmon
The pin you have labelled as 'A' is the VIN pin...

The pin you have labelled as 'A' is the VIN pin and this should be connected to VCC which should be 5V.

The pin you have labelled as 'B' is the VOUT pin and should be low when the motor signal is...
Forum: Hardware mods 19 November 2020, 15:27
Replies: 39
Views: 25,173
Posted By solarmon
Thanks. I had stopped using picture...

Thanks.

I had stopped using picture attachments because I don't seem to have much storage space for my account for attachments. I only seem to have a 20MB limit?
Forum: Hardware mods 19 November 2020, 14:59
Replies: 25
Views: 1,068
Posted By solarmon
I made some progress in trying to understand the...

I made some progress in trying to understand the circuit related to the disk (spindle) motor.

TR9 a transistor/voltage-regulator.

AN8235S is a 3.5-inch FDD Spindle Motor Controller - the specs...
Forum: Hardware mods 19 November 2020, 11:57
Replies: 39
Views: 25,173
Posted By solarmon
I have successfully tested the following pinouts...

I have successfully tested the following pinouts for a RF382C-A board:

http://i.imgur.com/qB3v28x.png (https://imgur.com/qB3v28x)

I made an adapter board and mapped the 26-pin signals to the...
Forum: Hardware mods 19 November 2020, 09:39
Replies: 25
Views: 1,068
Posted By solarmon
I do have spare Citizen drives that you can buy....

I do have spare Citizen drives that you can buy. You can also send me your drive as part payment. Please PM me.
Forum: Hardware mods 18 November 2020, 09:47
Replies: 25
Views: 1,068
Posted By solarmon
If you press the presence switch, WPR signal...

If you press the presence switch, WPR signal should appear. Then when you also press the write protect switch then the WPR signal should disappear. This may be a separate issue, but it should stop...
Forum: Hardware mods 17 November 2020, 23:15
Replies: 25
Views: 1,068
Posted By solarmon
Do you have continuity between the red wire pad...

Do you have continuity between the red wire pad on the disk motor, and the top right pin of the component. That pin should join to the red wire pad which should join to the motor view the red wire.
...
Forum: Hardware mods 17 November 2020, 21:37
Replies: 25
Views: 1,068
Posted By solarmon
I have quite a few of these external Roctec /...

I have quite a few of these external Roctec / Citizen slim drives, so I can help you check/test anything against a working one.

You are right, with this drive the READY signal does seem to appear...
Forum: Hardware mods 17 November 2020, 20:34
Replies: 25
Views: 1,068
Posted By solarmon
Which motor do you mean by 'second engine' - the...

Which motor do you mean by 'second engine' - the disk motor (,with the drive belt) or the track motor (that moves the read/write heads)

Have you checked the disk presence switch to make sure that...
Forum: AMR contributions 13 November 2020, 23:06
Replies: 7
Views: 686
Posted By solarmon
Thanks again!

Thanks again!
Forum: AMR contributions 13 November 2020, 22:32
Replies: 7
Views: 686
Posted By solarmon
Thanks! BTW - how do I get my own Uploads...

Thanks!

BTW - how do I get my own Uploads directory on the FTP server?
Forum: AMR contributions 13 November 2020, 20:46
Replies: 7
Views: 686
Posted By solarmon
Ah, sorry - must have missed that. Where is...

Ah, sorry - must have missed that.

Where is that 'unofficial cover disk ipfs' path location on the FTP server?

I have found:
ftp://ftp:amiga@grandis.nu/Collection/Coverdisk/...
Forum: AMR contributions 13 November 2020, 18:45
Replies: 7
Views: 686
Posted By solarmon
Zero Magazine #17 - Coverdisk

Hi

I noticed that Zero Magazine #17 Coverdisk is missing in the EAB FTP servers.

http://amr.abime.net/issue_385_coverdisks

I have uploaded my clean SCP dump of it, which has been converted...
Forum: support.Hardware 12 November 2020, 17:15
Replies: 5
Views: 270
Posted By solarmon
@guybrush, I assume you have the CFD/FAT95...

@guybrush,

I assume you have the CFD/FAT95 drivers installed appropriately?

Also, what Kickstart and memory expansion do you have? What is your Workbench setup? Is it from stock, or are you...
Forum: support.Other 10 November 2020, 18:17
Replies: 8
Views: 674
Posted By solarmon
Maybe Workbench also stores and checks other...

Maybe Workbench also stores and checks other information about the floppy disk from the root block, which is where it gets the disk name from. If certain fields of the root block are different then...
Forum: support.Other 10 November 2020, 17:55
Replies: 8
Views: 674
Posted By solarmon
What is the exact error message? Provide a...

What is the exact error message? Provide a screenshot of it.
Forum: request.Apps 08 November 2020, 16:24
Replies: 6
Views: 410
Posted By solarmon
Also take a look at abs (Amiga Boot Selector).

Also take a look at abs (Amiga Boot Selector).
Forum: support.WinUAE 06 November 2020, 16:02
Replies: 12
Views: 721
Posted By solarmon
Definitely would recommend Greaseweazle then.

Definitely would recommend Greaseweazle then.
Forum: support.WinUAE 06 November 2020, 12:22
Replies: 12
Views: 721
Posted By solarmon
What do you mean by 'original'? Most games...

What do you mean by 'original'?

Most games will already be available in IPF (original) and ADF (cracked) that can be used in emulation.

For making images of a physical floppy disk I would...
Forum: AMR contributions 05 November 2020, 10:33
Replies: 19
Views: 1,163
Posted By solarmon
Great! :bowdown Keir will be pleased to have...

Great! :bowdown

Keir will be pleased to have some more tri-format images to look at! :great

As well as Ace, Zero and New Computer Express, the 'Public Domain' magazine also had tri-format...
Forum: support.Hardware 05 November 2020, 10:28
Replies: 24
Views: 1,149
Posted By solarmon
Yes, the floppy drive will be powered by the 5V...

Yes, the floppy drive will be powered by the 5V from the USB.

(BTW - the micro-USB connector is likely to break soon. It is better to have a USB type B connector, which is supported by the board.)
Forum: support.Hardware 04 November 2020, 18:44
Replies: 14
Views: 493
Posted By solarmon
To me that suggest that it is getting read data -...

To me that suggest that it is getting read data - there are "+" characters on the lower head. So it might still be alignment issues.

Have you check continuity of pin 2 to make sure the read data...
Forum: AMR contributions 04 November 2020, 13:34
Replies: 19
Views: 1,163
Posted By solarmon
It looks like track 0 is too...

It looks like track 0 is too damaged/corrupted/overwritten to be able to recover this disk.

I was provided with another New Computer Express cover disk image (Disk 4), but using track 0 from that...
Showing results 1 to 40 of 1295

 
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