CompuServe Drives: Custom firmware?

Rich Alderson RichA at
Mon Apr 20 18:35:49 CDT 2015

From: Cory Smelosky
Sent: Monday, April 20, 2015 12:13 PM

> On Mon, 20 Apr 2015, Rich Alderson wrote:

>> From: Cory Smelosky
>> Sent: Monday, April 20, 2015 11:42 AM

>>> Does the PANDA monitor include a patched MTBOOT?

>> I'm not sure what you mean.  The Panda monitor is a standard KL-10 monitor,
>> usually attached to KLH10 but should be runnable on real hardware.  As such,
>> it would not need to have an MTBOOT that was customized in any way.

> Does the PANDA distribution have a MTBOOT that supports anything 
> additional? I have heard it supports some extra stuff.

We'd have to look at the BOOT source (BOOT.MAC) for that.

> (Also, do you have any install tapes/monitor sources/bootstrap sources 
> from the TOAD-1? I doubt the FDDI is simulated to stock DEC monitors as an 
> NIA20 and some references regarding SCSI/Networking there would be 
> helpful))

FDDI?  Not on the Toad-1, certainly.  Toad-1 systems comprise 4 board types:
XKL-1 CPU, XNI-1 10baseT Ethernet, XRH-1 "FASTWIDE" differential SCSI-2, and
XMG-1 32MW memory.  The XNI-1 looks to the monitor like 4x Cisco MEIS cards
(derived from the Stanford interface of the same name), not a DEC NIA-20.

There are PDFs of the Toad-1 System Installation manual and the Toad-1
Architecture Reference available via anonymous FTP from (change directory to PS:<DOCUMENTATION.TOAD>,
ignore the warning about sending a password).  XKL did not ship monitor source
with the system, nor was it available for purchase separately.


Rich Alderson
Vintage Computing Sr. Systems Engineer
Living Computer Museum
2245 1st Avenue S
Seattle, WA 98134

mailto:RichA at

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