BA23 setup and DZQ11 configuration
ajp166 at bellatlantic.net
Tue Mar 27 08:57:47 CDT 2007
>Subject: Re: BA23 setup and DZQ11 configuration
> From: David Betz <dbetz at xlisper.com>
> Date: Tue, 27 Mar 2007 08:40:03 -0400
> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>>> I'm starting to collect some qbus equipment again and am trying
>>> to setup a system around a KDJ11-AA CPU.
>>> My current configuration is:
>>> BA23 enclosure
>>> KDJ11-AA (m8192)
>>> MSV11-QC (m7551 cf)
>>> DZQ11-M (m3106)
>>> RQDX3 (m7555)
>>> TQK50-AA (m7546)
>>> First, will it be possible to boot this configuration? Can I setup
>>> to start the KDJ11 in ODT mode and enter a bootstrap for the
>>> RQDX3 by hand? How long a program would I have to enter?
>Thanks for your detailed response. In fact, I'd like to thank
>everyone on cctalk for the great advice I've received. Based on all
>of your input, I've arranged the following change to my PDP-11
>KDJ11-B CPU (includes console port and boot rom) (m8190) (thanks Dave!)
>MSV11-QC 4mb memory (m7551 cf)
>Sigma RQD11-EC ESDI controller
>RQDX3 for RX50 (m7555)
>TQK50-AA for TK50 (m7546
>DLV11-J (for extra serial ports) (thanks Julian!)
>Possibly a Viking SCSI controller (for CD-ROM and maybe a hard drive)
>I have at least one working ESDI hard drive so that will be my boot
>device. My real problem is removable media. Even though I have an
>RQDX3 to control an RX50 drive, I don't have a working RX50 drive.
>Same goes for the TK50. I have non-working versions of both drives
>but nothing I can use to move software onto my system. Anyone have a
>working RX50 and/or TK50 drive they can spare?
A good substitute for RX50 is an RX33 (aka TEAC FD55GFR) or an FD55F
setup as non1.2mb. RX50 drives are actually two platters but one head
positioner and they are 96TPI like the mentioned FD55F or G. These work
fine with RQDX2/3 as a RX50 substitute. I have one configured that way.
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