Well, I was installing a new hard drive into the XL1201 today and just before I connected the SCSI cable, I noticed a pin seemed to »
Updated as of June 23, 2016 My Symbolics goals: Get an entirely clean, hard-drive based Genera 8.3 install running on the XL1201 Get the MacIvory »
Attempting a clean install of Genera 8.3 on XL1201 using just a CD-ROM drive and a blank hard drive. However, from preliminary results, this seems »
When I purchased the XL1201, it came with a Model 3600 keyboard. Unfortunately, several keys didn't work, including both hypers, and the left control and super. »
There are 10 controls for monitor adjustment. Two large finger controls, a group of 6 small multi-turn trim controls for vertical, and a group of 2 »
Reprinted "Cliff's" notes from various manuals. Keyboard XL's User's Guide - The Keyboard You can have keys repeat if they are held down. This feature is »
Keyboard Scrolling SCROLL - one window down m-SCROLL - one window up s-SCROLL - one window right m-s-SCROLL - one window left These seem to work »
Error Recovery XL's User's Guide - When Things Go Wrong with the XL Wait for User Input to appear instead of Run with a steady/flashing »
How to format a SCSI disk on the XL1201. First, boot into Lisp. Command: Format SCSI Disk (SCSI address) 1 (keywords) :Sector Size (sector size in »
The XL1201 mouse is a Logitech 3-button mouse, model number P7-3F-SZ. It has an 8-pin modular jack with a key on one side (in other words, »
This discusses the initial boot of the XL1201 including the PROM and FEP before Genera is fully running. Initial PROM Boot Sequence If you power the »
Useful LOCAL commands on an XL1201 with the PE36-PCONS model console (part no. 365404) XL User's Guide - Using Local Commands on the XL LOCAL-D/B »
Updated July 8, 2016: For the latest used in my Symbolics XL1201, please see the full capacitor list here. Old Information Key: E = Radial A = Axial »
This is a test post I use for testing various stuff. (defun xplusone (x) (+ 1 x)) (defun x (y) (+ (- 3 4) (+ 5 6) (* 4 2) »