FEP on Serial

Getting the FEP display on the serial port isn’t hard - as long as you want to use the serial port built onto the console. So far I haven’t seen a way to tell the FEP to use the serial … »

Auto-setting Time

Every time Genera boots, it asks for the time. However, Genera clearly uses the RFC 868 Time Protocol. So, I thought I’d try to make my local Linux server (named HELIUM in our namespace) serve … »

SCSI 50 to 68-pin Adapters

Well, it seems that not all SCSI 50-pin female to 68 pin female adapters are created equally. I bought several of these from Amazon, made by Monoprice. (Pictures below.) My SCSI chain in the XL1201 … »

Console Internals

This is a Symbolics Model PE36-PCONS, Part No 365404 Rev C console. My serial number is 21811. (“There are many like it, but this one is mine.”) An album of detailed internal photographs … »

Status and Next Steps

Status XL1201 running clean Genera 8.3 on X15 drive from DKS MacIvory III running clean Genera 8.3 All physical drives ddpt’d for backup Next Steps Preparation Permanently mount X15 drive and … »

XL1201 Known Working Disks

Note: After formatting a disk to 1280-byte blocks on Genera, make sure to hard power cycle reboot the computer before trying to use it for a FEP file system or any other purpose. From my own trials, … »

Current Symbolics Goals

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 III running 8.3 as well (which it already is) Set up a … »

Console Monitor Adjustment

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 small multi-turn trim controls for horizontal. You … »

Lisp Configuration Notes

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 disabled by … »