From a6fce1f2f56ebeac8fa3d5239a9077f0058d5b6e Mon Sep 17 00:00:00 2001 From: "tim.newsham" Date: Sat, 26 Apr 2008 02:22:19 +0000 Subject: [PATCH] - starting some notes about the machine settings. --- machine.txt | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 machine.txt diff --git a/machine.txt b/machine.txt new file mode 100644 index 0000000..9e02e1c --- /dev/null +++ b/machine.txt @@ -0,0 +1,42 @@ + + + + address simh dev +rk03/rk11 177400 disk RK +dc11 174000 tty? (not supp?) +tc11/tu56 177340 dec tape DTn (not showing up in simh?) +rf11/rs11 177460 fixed head disk RF +kw11-l 177546 clock CLK +pc11 177550 paper tape PTR/PTP +asr-33 177560 tty? TTI, TTO + +set rk3 enabled +att rk3 rk3.dsk +set rf enabled + + + +-------------------- +cpu + probably 11/20 with 24kb + could be 11/45 though. +pdp-11 releases: + 1970: 11/20, 11/15 + 1972: 11/40, 11/45, 11/05, 11/10 + 1973: 11/35 + +"In 1971, when this manual was written, we had move off the original PDP-7 +to the PDP-11/20; it had 24KB of core memory, and no memory management +hardware at all. " +[...] +"By this time we knew about the upcoming PDP-11/45, and had visited +Digital in Maynard to talk about it; in particular, we had the specs +for the floating-point instructions it supported. So the system +described here included a simulator for the instructions (fptrap(III))." + - http://www.cs.bell-labs.com/who/dmr/1stEdman.html + (describing nov 3, 1971 manuals) + +------------------------------------- +section VII pg 5 has "boot procedures" section: +http://cm.bell-labs.com/cm/cs/who/dmr/man71.pdf +