Re: DEC weights

> On May 23, 2021, at 9:14 PM, Marc Howard via cctech > wrote: > In my case I'm looking for the weight of an RK05 and full height 19" DEC > rack. I have not see these published, but can attest that it is somewhere between 1 25-yr-old-can-load-in-station-wagon and 1

Re: RK11-D "diskless" test ZRKJE0???

> On Jul 9, 2020, at 5:02 PM, Robert Armstrong via cctech > wrote: > I have an 11/04 with an RK11-D. I have a couple of RK05s, but I wanted to > test the controller before I start working on the drives. The PDP11 > Diagnostic Handbook says that ZRKJ?? "checks only the drive-independent

Re: PDP-11/40 available, Arizona

On 5/10/19 6:42 PM, Adam Thornton via cctech wrote: I have been invited out to the site tomorrow morning to take an inventory of what’s there (I live near the machines). I imagine that I may well have a lot of photos that I bring to the list and say “what is this?” Standing by to help out!

Re: advice / suggestion wanted PDP 11/40 only boots XXDP, not RT11

> On Jan 31, 2019, at 12:26 PM, Bill Degnan via cctech > wrote: > > My PDP 11/40 suddenly lost it's ability to boot RL02 disks except the XXDP > disk. I have two drives, both boot up an XXDP (I have more than one) just > fine, but any formerly-working RT-11 (v 5, 5.1, 5.3) no longer boots,

Re: VT52 keyboard question

> On Mon, Mar 13, 2017 at 4:45 PM, Marc Howard via cctech < > cctech@classiccmp.org> wrote: > >> Hi, >> >> The "2" key on my VT52 is very hard to use. You've gotta pound it and you >> might get 2 "2"s for your trouble. I've a similar key on my VT52 -- will be diving in there sometime soon to

FTGH: iMac G3

Hey folks, Helping my ex clean out her basement, she had a 1999 tray-loading "lime" iMac G3 that she no longer wanted. The machine is complete w/ original keyboard, mouse, and power cord. Boots and runs MacOS 9.2. CRT is arcing occasionally (probably dust around the flyback?) I'm not a

Re: Unibus disk controller with modern storage

On Oct 19, 2016 6:48 PM, "shad" wrote Hello, I read several posts about Unibus disk interfaces and emulation. One of my retrocomputing dream is to design an Unibus universal board, probably based on FPGA because of precise timing requirements, to emulate one or more

Re: Tough to Diagnose issue with PDP 11/40 CPU

Hey Bill, Do you have a KM11 maintenance card? Guy Sotomayor here sells kits and/or assembled boards at http://www.shiresoft.com/products/km11/KM11%20Replica.html. I built one up myself based on a layout by Tom Uban at http://www.ubanproductions.com/museum.html The easiest way to get to