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Commodore 128 => Herdware => Topic started by: MIRKOSOFT on February 19, 2011, 02:17 PM

Title: C1541C & C128 hanging problem
Post by: MIRKOSOFT on February 19, 2011, 02:17 PM

Hi!


I have C1541C disk drive.
I connected it to my Commodore 128 as drive #8.
Turn on drive, seems that works correctly: GREEN LED lights - power indication, RED LED tries first access.
Then I turned on my C128. And computer hangs, as everybody knows tries to BOOT from drive #8.
So, I tried it vice-versa, first turn on computer, then disk drive.
Computer prints prompt READY and I tried to LOAD any program from drive. Computer again hangs.
So, I hit STOP+RESTORE and send command to drive, every command I tried, always hangs.
I tried else one thing. C64 mode. In C64 mode computer BOOTs not. So, at computer start I hold CCBM key.
This switches computer directly to C64 mode. All was ok, then I wrote command LOAD"$",8.
And again - computer hangs.


About hanging: It seems like drive got command not - no activity.
When I had connected to computer C1581 drive all was working correctly.


CAN ANYBODY HELP ME WITH THIS PROBLEM?


Many many thanks for every reply.


Miro
Title: Re: C1541C & C128 hanging problem
Post by: dmackey828 on February 20, 2011, 11:22 AM
Have you tried the drive on another commodore? Have you tried a different Data cable?
Title: Re: C1541C & C128 hanging problem
Post by: MIRKOSOFT on February 20, 2011, 12:37 PM
Hi!


Yes, of course, I tried it on flat C128 with cable which arrived with, then I tried to connect to C128DCR with other serial cable - the same problem...
Title: Re: C1541C & C128 hanging problem
Post by: RobertB on February 20, 2011, 12:44 PM
Quote from: MIRKOSOFT on February 19, 2011, 02:17 PM
I have C1541C disk drive.
I connected it to my Commodore 128 as drive #8.
Turn on drive, seems that works correctly: GREEN LED lights - power indication, RED LED tries first access.
Then I turned on my C128. And computer hangs, as everybody knows tries to BOOT from drive #8.
So, I tried it vice-versa, first turn on computer, then disk drive.
Computer prints prompt READY and I tried to LOAD any program from drive. Computer again hangs.
So, I hit STOP+RESTORE and send command to drive, every command I tried, always hangs.
I tried else one thing. C64 mode. In C64 mode computer BOOTs not. So, at computer start I hold CCBM key.
This switches computer directly to C64 mode. All was ok, then I wrote command LOAD"$",8.
And again - computer hangs.
Several years ago, I had a drive such as yours.  I had to give it to Ray Carlsen for repair.  According to my fuzzy memory, I believe he had to repair the disk sensor and a chip or two.

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