                   WELCOME TO PCJR TOOLKIT
                      V 3.0 Updated 7/92

This diskette contains instructions for performing many useful modifications
and repairs on PCjrs. They are provided for you to use at your own dis-
cretion. You must be the judge of whether or not you are qualified to
perform these modifications and repairs. Some are quite easy, but others
require considerable skill and experience. Jr Newsletter will not accept
responsibility for any damage that may occur to your computer, or any
injury that may befall you when attempting any of these procedures.

            **   ALWAYS BE SURE TO UNPLUG YOUR COMPUTER
                 FROM ITS POWER SUPPLY BEFORE WORKING ON IT **

Also, be sure you know how to avoid static electricity damage to your
computer befor you start. We know of several cases of trashed motherboards
caused by inadequate precautions against static electricity.

The instructions provided on this diskette have been written by many
PCjr enthusiasts, not by professionals. Although we believe them to be
accurate, we do not accept responsibility for any errors.

After reading the above, we hope you are not so terrified that you won't
be able to use the information on this disk. Just be careful.

The following files are included on JR TOOLKIT:

JR2DRV.TXT - Upgrade to 2nd disk drive

2NDDISK.TXT - Complete mod for adding 2nd disk drive (by Paul Crumley)

JR3DRV.TXT - Upgrade to 3rd disk drive

3RDDISK.TXT - Complete mod for adding 3rd drive (by Paul Crumley)

3INCHD.TXT - How to make 2NDDISK.TXT work for 3.5 inch drive

DRIVEBOX.DOC - Description of do-it-yourself box for external drive

ERRMSG.TXT - Probable causes for error messages

GATE.DOC - Diagnosing gate array chip problems

INTSPEAK.TXT - Turn off internal speaker

INSTAL35.PCJ - How to install and run a 3.5 inch disk drive

JACK.DOC - Keyboard fix

JOYPORT.TXT - Joystick port tech info

JRDIAGS.DOC - Explanation of power-on diagnostics

JRREPAIR.DOC - Variety of PCjr repair tips

JRSERIAL.DOC - Build a serial port

JRTO10.TXT - Replace chip for Tandy 1000 color compatibility
             (Read PRETANDY.TXT first)

JRXTPWR.DOC - Replace power card with XT power supply

LOGITMS.TXT - Tips for Logitech C7 mouse

MODEMOD.DOC - Convert modem to another serial port

MONITOR.DOC - PCjr Color Display repair tips

JRMS64.TXT - Upgrade Microsoft jr Booster to 512K

PCJR256K.DOC - Upgrade IBM sidecars to 256K

POWERMOD.DOC - Upgrade 7 Inch power supply

PRETANDY.TXT - Precautions to take before performing Tandy Mod.

               **  The above is recommended reading for
                   anyone doing any type of modification
                   IT COULD SAVE YOU FROM DISASTER        **

RACOR640.DOC - Upgrade Racore/Quadram bd from 512 to 640K

RACOR736.DOC - Upgrade Racore/Quadram bd from 640K to 736K

RESET.DOC - Install a reset button on PCjr

RODCLEAN.DOC - How to clean your disk drive's rods for quieter performance

ROMSIM.DOC - Troubleshooting and repairing PCjr Color Display units

RWCLEAN.DOC - Keyboard fix

RWDEMAG.DOC - Last ditch disk drive fix

SPEAK.COM      |
SPEECH.DOC     |
SPEECH1.EXE    -- Instructions and examples for Speech Attachment
SPEECH1.PAS    |
WORDS.TXT      |

SPEEDUP.TXT - Speed jr up to 8 Mhz


         *  IF THIS INTRODUCTION SCROLLED BY TOO FAST FOR  *
         *  YOU TO READ, TYPE GO AGAIN AND USE THE FN      *
         *  PAUSE KEYS TO STOP SCROLLING. THEN HIT ANY     *
         *  KEY TO RESUME.                                 *

