Resurrecting RK05

Jacob Ritorto jacob.ritorto at
Sun Jan 11 20:48:36 CST 2015

MAN -- feels great, doesn't it?  Congrats and nice work.

On Sun, Jan 11, 2015 at 9:36 PM, Rick Bensene <rickb at> wrote:

> This afternoon I got the drive racked up, got the drive select set to
> drive 1, removed the terminator from drive 0 and plugged in the bus
> extension cable, routed it to drive 1 and plugged it into the drive.
> The second drive already had the terminator it in (nice, I now have a
> spare).
>  I finished routing the cabling and power cable for the second drive, and
> then powered up the system.    I left it all sit for about 30 minutes
> before I tried anything.
> I noted that there was no LOAD indication showing up on drive 1, so I
> investigated.   There wasn't any bulb there, so I put one in, and it lit up.
> Drive 0 had an OS8 boot pack in it already, and I spun it up, and it went
> ready just fine (a relief).  I started up my SerialDisk server, and turned
> off the HALT switch on the 8/e, hit CLEAR, then raised and lowered the SW
> switch. The machine proceeded to boot using the diode ROM bootstrap for the
> RK8E.  It booted up just fine, and I was able to access the SerialDisk
> drive also.
> So, I loaded a RK05 pack that I had formatted on drive 0 into drive 1, and
> flicked the LOAD switch.   Things were quiet for a moment, then I could
> hear that the pack was spinning up, and shortly thereafter, the drive went
> ready.
>  I did a "DIR RKA1:", and got an empty directory with the appropriate
> number of free blocks.
>  I then did a "COPY RKA1:<SD0:*.*" (copying everything from the SerialDisk
> drive 0 to the A side of the new drive), and let it run.  It took a while,
> but the copy succeeded just fine.  I could run stuff off the new drive just
> fine after the copy had finished.  Seems all is good.
> I did an RKCOPY command and copied the entirety of Drive 0 to Drive 1,
> with verify turned on, and it copied just fine.
> Spun down both drives, and swapped packs, and tried booting, and it
> succeeded. I was able to read and write files on drive 0 and drive 1 just
> fine, so the two drives seem (with only a little testing) seem to
> interchange packs OK.
> Thanks to all for the advice and discussion.
> Rick Bensene

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