2017-09-20 11:58 GMT+02:00 Rod Smallwood via cctalk <cctalk@classiccmp.org>:
> Well I did get the 11/73 booted from RX50 floppy on an RQDX3. > > I then went on to get a SCSI (DEC DSP5200) Hard Drive on a CQD220 booting > and running RT-11 V5.4. > > In the process I established that I have a good working RX01 and a good > working RX02 that both boot RT-11 V5.4 from 8 inch Floppy. > > I have the parts for another RX02 and that only lacks the circuit breaker > on the PSU. (AIRPAX type anybody got one?) > > There is a lot of interaction between RT-11v5.4, RQDX3, CQD220 and the > RX01 and RX02 controllers. > > I have read up all the back references (VCF and so on) on this subject but > I am not sure I fully understand all of the ramifications. > > > So back to the main event, the 11/94. > > This is the last of the PDP/11's and is a hybrid. > > KJD-11 CPU in a Q-bus back plane bridged to a Unibus. > > The KJD works and all of its monitor and boot controls are available via > the console terminal. > > I have Unibus interface cards for both RX01 and RX02. > > So grant and terminator cards in the right places and RX02 Unibus card in > the correct slot. > > Connect up the cable (Red stripe to AA on BERG's) > > Known bootable RT-11 8 inch floppy in the RX02. > > Turn on RX02 then 11/94 (Nice healthy clonk from the drive) > > Pick DY off the boot ROM list and sure enough the system starts to load > from the RX02. > > Then it just hangs. > > Comments please Checked the NPG jumper in the backplane for the RX02 board? /Mattis > > > > Rod > > > > > > > -- > Wanted one pdp-8/i rocker switch leaver to copy. > >
