<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Bob,<div><br></div><div>With two drives why not put both operating systems on. One on each that way you get to play until YOU decide which you like better!<br><br><div dir="ltr">-Steve<div><br></div><div>SF:IP2</div></div><div dir="ltr"><br><blockquote type="cite">On Mar 20, 2020, at 23:04, Robert Armstrong <bob@jfcl.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"> With all this social distancing and staying home, I’ve been dusting off old hardware and fixing it up. I just finished running diagnostics on a nice little PDP-11 system. It is a -<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"> PDP-11/53+ with 3.5Mb RAM in a BA123<o:p></o:p></p><p class="MsoNormal"> KDA50 and 2xRA73 drives<o:p></o:p></p><p class="MsoNormal"> DELQA NI<o:p></o:p></p><p class="MsoNormal"> CXA16 16 line mux (DHV11 clone, more or less)<o:p></o:p></p><p class="MsoNormal"> TQK70 and TK70 (probably worthless – those things never work)<o:p></o:p></p><p class="MsoNormal"> SQ739 SCSI controller (does both MSCP and TMSCP!)<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"> I figure I’ll use the SCSI for a CDROM and a tape drive, maybe an Exabyte. Don’t really need more disk space with two RA73s already, and I’m sure the SDI is faster than the SCSI.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"> So, the question is, what OS should I put on it? RSX or RSTS? It has to be something that can make good use of the hardware.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"> No Unix, please – I’ve already got a nice 11/83 with 2.11bsd on it.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"> Ideas?<br><br>Bob<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p></div></div></blockquote></div></body></html>