8 Jul
2005
8 Jul
'05
10:41 p.m.
On 7/8/05, Jay West <jwest at classiccmp.org> wrote:
I only have one RK05, and it's destined for my
PDP-8E, and I'm unlikely to
ever find more. Many list members have scads of them, but to me RK05's are
pretty much unobtanium in my area.
I have a few drives and a few controllers (Unibus, Qbus, OMNIBUS), but
I realize that they aren't easy to find anymore. Years ago, they were
available in stacks for the hauling, but like most stuff, they are
rarer now.
I'll go with either an RL02 or RA81.
That limits you in terms of UNIX - smaller Unices don't have MSCP
support (not even unpatched 2.9BSD), and newer ones need lots of core
(1MB?) UNIX from the early 1980s should fit on an RL02 as long as
it's a new enough version for RL support (not an impossible
requirement).
With v5 RT11 or semi-recent versions of RSTS, you'll be able to use
your RA81 or your RL02. I find RT-11 on an RL02 is a really nice fit.
I did a contract in the late 1980s on an 11/23 w/RL01 for
OS/application development and the RL02 was solely to hold an 8MB data
file. Plenty of room.
Thanks for the input!
You bet.
-ethan