A4000 and SCSI issues

[Matt Seil]

Yeah, I’ll swap out the cables maybe.  I had a really good long run last night, even copied some CS banks to the internal disk—including the CD ROM data that was failing earlier.  Worked for a solid 3 hours until I swapped cds and tried to do it again, then it quit recognizing the CDs. I also figured out volume copy from CD to drive doesn’t do what I expected.  (Silly me, I thought “load all” snagged everything on the disk, not just the second entry on the page.)

I also ordered a floppy drive and some disks so I can update this OS in case there’s bugs there.  

Sent from my iPhone

> On Feb 3, 2022, at 23:19, Ibi Sum <ibisum at gmail.com> wrote:
> 
> Yes, exactly. 
> 
> Intermittent operation is a sign that either termination isn’t set up properly, or you’ve got a weak SCSI cable in the chain.
> 
> FWIW, I have multiple A-samplers (A3K/A5K) on my SCSI chain as well as a RASCSI and a laptop (I’m doing Disky development again) and they work very smoothly.  But it did require that I get high quality SCSI cables and check the termination and ID settings multiple times.
> 
> ;
> --
> seclorum 
> 
>>> On 03.02.2022, at 22:06, Tony Scharf <tony.scharf at outlook.com> wrote:
>>> 
>> 
>> Check that your terminators are actually terminating.  I've had a terminator just stop working out of nowhere and it took forever to figure out.  
>> 
>> SCSI is a big reason I haven't embraced classic samplers and computers.  I had simple setups that should work and didn't and more than a few that should not have worked but did.  
>> 
>> Tony
>> From: music-bar <music-bar-bounces at lists.music-bar.org> on behalf of Matt Seil <xeno6696 at gmail.com>
>> Sent: Thursday, February 3, 2022 1:21:54 PM
>> To: Music-bar <music-bar at lists.music-bar.org>
>> Subject: A4000 and SCSI issues
>>  
>> Oof... this has been hell.
>> 
>> 
>> I have an old SCSI For Samplers setup.  The version of this that comes 
>> closest to working is:
>> 
>> DB-9:
>> HD = 0
>> CDROM = 1
>> 
>> Spyrus CF device
>> MCDISK = 7
>> 
>> A4000 = 6 (factory default)
>> 
>> (I have yet to see if this works with my K2661 added into the mix.)
>> 
>> The symptom that was infuriating was this:  The very first time I loaded 
>> samples from CDROM (when the Spyrus was on ID#2) it worked great.  After 
>> that, any time I tried to access the disk menu or record menu--at 
>> all--the A4k would hang.  Until I turned off the other SCSI drives.  I 
>> did a factory reset:  Behavior stayed the same.
>> 
>> At the present moment, I can navigate and mount/unmount disks alright, 
>> but now when I try to load programs from CDROM, it either hangs, or 
>> complains about not reading the disk--which it can at least do well 
>> enough to load program names without artifacts.
>> 
>> I have also tried:  Disconnecting the spyrus entirely and terminating 
>> the DB-9.  There are two SCSI ports on this, and the use of either 
>> results in the hanging navigation behavior.  Before I try an exhaustive 
>> SCSI walk... does anyone have troubleshooting advice?
>> 
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