RL drive problems ...?

Julian Wolfe fireflyst at earthlink.net
Tue Jan 10 14:53:16 CST 2006

I know this sounds stupid, but is the cable grounded?  I've had really
stupid/strange things happen when my RL02 cable is not grounded properly.

> -----Original Message-----
> From: cctalk-bounces at classiccmp.org [mailto:cctalk-bounces at classiccmp.org]
> On Behalf Of Gooijen, Henk
> Sent: Sunday, December 18, 2005 3:00 PM
> To: cctalk at classiccmp.org
> Subject: RL drive problems ...?
> Hi,
> I would like to hear from the specialists what they have to say
> about this problem.
> I finally got my 11/34C running again.  It has an RL11 and has
> two RL02 and one RL01 connected. Most of the time I cannot boot
> RT11 from the RL02-DC, but sometimes the boot is successfull!
> If the boot fails, I see the READY lamp of the drive flash once,
> then the RUN light goes off, and the display shows 000004. BTW,
> at the end of the RL drive chain is of course the terminator.
> The cartridge was written while the system was still in my house
> (some 3 years gao, at some 20" Celcius), but the system is now
> in a 12" Celcius environment.  Could the temperature difference
> make the disk too difficult to read in the nwe conditions?
> When RT11 runs, and I only do a .DIR command of the disk, is
> there something written to the disk? That could make the disk
> "useless", because of the 20"/12" Celsius issues?
> Another problem that I have since I have power for my systems
> is that the READY lamp of the RL01 is *always* ON.
> The FAULT lamp is OK - and is OFF. I have not yet investigated
> this problem, but hints in advance are appreciated :-)
> [would save me some time, to work on the other projects, like
> the floppy disk interface for the 6809 Core Board...]
> BTW, the system worked fine, 3 years ago ... it has power since
> a few weeks, and I had a lot of problem getting the 11/34C up
> and running, but that would be a different story too ...
>   greetz,
> - Henk, PA8PDP
> This message and attachment(s) are intended solely for the use of the
> addressee and may contain information that is privileged, confidential or
> otherwise exempt from disclosure under applicable law.
> If you are not the intended recipient or agent thereof responsible for
> delivering this message to the intended recipient, you are hereby notified
> that any dissemination, distribution, or copying of this communication is
> strictly prohibited.
> If you have received this communication in error, please notify the sender
> immediately by telephone and with a "reply" message.
> Thank you for your cooperation.

More information about the cctech mailing list