╘HE ┼XCHANGE IS NOT AFFILIATED WITH ANY COMMERCIAL ORGANIZATION. ╥ECOMMENDATIONS ARE BASED SOLELY ON THE EXPERIENCES OF USERS. ╘HE ╬EWSLETTER WILL APPEAR EVERY OTHER MONTH. ╙UBSCRIPTIONS ARE $5 FOR FIVE ISSUES ($8.15 ╒╙ OVERSEAS AIR MAIL). ╨REVIOUS ISSUES ARE ON THE ┼XCHANGE ─ISKS. ╫HEN COMMUNICATING WITH ╘HE ┼XCHANGE, SELF ADDRESSED STAMPED ENVELOPES (╙┴╙┼'S) ARE APPRECIATED. ╘HE NUMBER ON LINE ONE OF YOUR MAILING LABEL INDICATES THE LAST ISSUE OF YOUR ╬EWSLETTER SUBSCRIPTION. ╘O RENEW, PLEASE FORWARD PAYMENT FOR FIVE ADDITIONAL ISSUES.
╝╘OKYO ┼LECTRIC ╫ORKS╛
═OST ╙─-2'S AND SOME ╙─-1'S ARE SUPPLIED WITH DRIVE MECHANISMS MADE BY ╘OKYO ┼LCTRIC ╫ORKS. ╧N A RECENT VISIT TO ╩APAN, ╔ OBTAINED THE FOLLOWING ADDRESSES: ╘OKYO ┼LECTRIC ├O, ╠TD, 14-10 ╒CHIKANDA, 1 ├HOME, ├HIYODA-KU, ╘OKYO 100, ╩APAN OR ╘┼├ ┴MERICA ╔NC, 1333 ╠AWRENCE ┼XPRESSWAY, ╙UITE 325, ╙ANTA ├LARA, ├┴ 95051, 408-248-3211, ┴TTN ═R. ═ASANORI ═AKINO, ╥EGIONAL ═ANAGER.
╘┼├ SUPPLIES ORIGINAL EQUIPMENT MANUFACTURERS, NOT INDIVIDUALS. ╘┼├ IS WILLING TO ASSIST ═╙─ OWNERS. ╘HEY WILL SUPPLY PARTS TO USERS, REPAIR MECHANISMS FOR $50 INCLUDING PARTS, OR ADJUST THEM FOR $20, BOTH PLUS SHIPPING. ╘HE REPAIRS WILL BE MADE IN ├ALIFORNIA. ╨LEASE CONTACT ╘┼├ PRIOR TO SHIPPING YOUR MECHANISM.
╧N THE MOST COMMON MECHANICAL PROBLEMS, ═R. ═AKINO OFFERS THE FOLLOWING ADVICE. ─IRTY GUIDE RAILS: CLEAN WITH A SWAB MOISTENED WITH A CLEANING OIL SUCH AS ╫─-40 OR A CARBURETOR CLEANER LIKE ╟UMOUT. ╠OOSE METAL HEAD SHIELD: REGLUE WITH ╦RAZY ╟LUE, OR THE PART MAY BE REPLACED AS PART NUMBER ├ARRIER ┴ ┬╦ (BUT BE PREPARED FOR HEAD ALIGNMENT IF YOU REPLACE THE PART).
╔T IS UNCLEAR IF ADDITIONAL DRIVE MECHANISMS CAN BE MADE AVAILABLE TO THOSE WANTING TO UPGRADE AN ╙─-1 TO AN ╙─-2. ═R. ═AKINO MAY BE ABLE TO SUPPLY SERVICE MANUALS FOR THE DRIVE MECHANISMS.
╘HE ═ODEL ╞┬-501 IS A SINGLE SIDED, SINGLE DENSITY DRIVE MECHANISM WITH 48 TRACKS PER INCH. ┴ DOUBLE DENSITY MODEL (WHICH COULD PROBABLY BE MADE TO HALF TRACK), THE ╞┬-502, HAS 96 TPI. ─OUBLE SIDED MODELS ARE ALSO SUPPLIED AS THE ╞┬-503 (SINGLE DENSITY) AND ╞┬-504 (DOUBLE DENSITY). ╥EMEMBER THE 750 BYTES/SEC MAX DATA TRANSMISSION RATE ON THE ├-64/═╙─ SERIAL CABLE. ╘HE WRITE SPEED OF ╘┼├ MECHANISMS IS RATED AT 125╦ BPS OR ABOUT 15,600 BYTES/SEC.
╘┼├ MECHANISMS THEMSELVES DETECT THE WRITE PROTECT TAB. ╔T MAY NOT BE POSSIBLE TO WRITE TO A PROTECTED DISK THROUGH ─╧╙ MODIFICATION. ╔N ╙─-2'S THE DRIVE MECHANISMS ARE DAISY CHAINED. ┴ 14 PIN ─╔╨ TERMINATOR CHIP MUST BE PRESENT ONLY ON THE LAST DRIVE MECHANISM (DRIVE 1). ╘HE CHIP IS LOCATED ON THE CIRCUIT BOARD IMMEDIATELY IN FRONT OF THE RIBBON CABLE CONNECTION. ┴ SHORTING PLUG LOCATED NEXT TO THE TERMINATOR CHIP BETWEEN THE POWER CONNECTION AND THE RIBBON CONNECTION SETS THE DRIVE NUMBER. ╘HE MECHANISMS MAY BE SET AS 0-3, BUT ─╧╙ USES ONLY 0 OR 1.
╘HESE COMMENTS APPLY ONLY TO ╘┼├ DRIVE MECHANISMS. ═ANY ╙─-1'S ARE APPARENTLY EQUIPPED WITH ╠UNG ╚WA MECHANISMS MADE IN ╘AIWAN.
╝═╙─ ╞AST ├OPY ╥OM╛
├HIP ╠EVEL ─ESIGNS HAS ISSUED ╞AST ├OPY ╥╧═ FOR THE ╙─-2 ─UAL DRIVE. ╘HE KIT CONSISTS OF THE EXTRA RAM CHIP DESCRIBED PREVIOUSLY FOR ═ASS ─UPLICATOR, PLUS A MODIFIED ╞┼ ╥╧═ CHIP. ╘HE ╥╧═ CHIP SLIDES EASILY INTO THE SOCKET IN ONLY A FEW MINUTES. ┴ SMALL SCREWDRIVER IS ALL THAT IS NEEDED TO REMOVE THE OLD CHIP.
╘HE ╥╧═ CHIP IMPLEMENTS TWO NEW COMMANDS, "╞├1=0" AND "╞╓1=0", BOTH ISSUED IN ├OMMODORE FORMAT EITHER AFTER AN OPEN STATEMENT, (╧╨┼╬ 15,8,15,"╞├1=0") OR AFTER A PRINT STATEMENT TO AN OPEN COMMAND CHANNEL (╨╥╔╬╘#15,"╞╓1=0"). ┬OTH COMMANDS CAUSE FAST DUPLICATION OF AN UNPROTECTED DISK. ╘HE ╞├ COMMAND PRODUCES A BACKUP IN 15 SEC WITHOUT VALIDATION. ╘HE ╞╓ COMMAND PRODUCES A BACKUP IN 18 SEC WITH VALIDATION (IE CHECKING TO MAKE SURE THE DATA WERE WRITTEN CORRECTLY). ╘HE NUMBERS IN THE COMMANDS MAY BE REVERSED FOR USE WITH DRIVE 1 AS SOURCE.
┴S ALWAYS, ╥╧═ MODIFICATION OFFERS POTENTIAL FOR SOFTWARE INCOMPATIBILITY. ╔NCOMPATIBILITY APPEARS TO BE MINIMAL SUGGESTING THE CHANGES ARE SLIGHT. ╘HERE MAY BE A PROBLEM WITH PRINTER ROUTINES IN ╙UPERBASE. ╟ENERALLY ╞AST ├OPY ╥╧═ FUNCTIONS AS ADVERTIZED. ╔T IS INVISIBLE TO SOFTWARE. ╔TS PRESENCE IS APPARENT ONLY WHEN THE FAST COPY COMMANDS ARE SENT.
═╙─ ╞AST ├OPY ╥OM MAY BE OBTAINED FOR $19.95 FROM ├HIP ╠EVEL ─ESIGNS, ╨╧ ┬OX 603, ┴STORIA, ╧╥ 97103-0603, 503-861-1622. ├╠─'S NEXT ═╙─ PRODUCT DUE SHORTLY IS ┴UTO ├OPY, $29.95. ┴UTO ├OPY CONVERTS AN ╙─-2 INTO A FREE STANDING DISK DUPLICATION MACHINE WITHOUT THE NEED FOR A COMPUTER OR MONITOR.
╝═╙─ ─UAL ├ANNON╛
═╙─ ─UAL ├ANNON IS A COMPLETE DISK UTILITY FOR THE ╙─-2 ─UAL ─RIVE. ╔T INCLUDES A NIBBLE COPIER, A SECTOR EDITOR (INCLUDING DISSASSEMBLY FROM DISK SECTOR), AND STANDARD DISK UTILILITIES. ╘HE UTILITIES WILL COPY, SCRATCH, OR RENAME A FILE. ┴ SPECIAL UTILITY WILL COPY A DISK WITHOUT REPRODUCING ERRORS FOR USE WITH ╦RACKER ╩AX PARAMETERS. ┴BOUT 35 ╦RACKER ╩AX PARAMETERS ARE PROVIDED WITH ─UAL ├ANNON, BUT FIVE DISKS OF THEM ARE AVAILABLE.
═╙─ ─UAL ├ANNON MAY BE OBTAINED FOR $34.95 FROM ├OMPUTER ═ART, 2700 ╬┼ ┴NDERSEN ╥D, ╓ANCOUVER, ╫┴ 98661, 206-695-1393.
╝─RIVE ═AINTENANCE╛
╙YMPTOM: ╘HE USUAL THUNK OF THE DRIVE MECHANISMS CHANGING TRACKS IS ACCOMPANIED BY A SQUEAK, EVENTUALLY CHANGING TO A BUZZ AND READ ERROR. ├AUSE: ╩AMMED HEAD CAUSED BY DIRTY GUIDE RAILS. ├URE: ├LEAN AND LUBRICATE GUIDE RAILS AT ALL THREE CONTACT POINTS AS DESCRIBED ABOVE. ┴ FULL DROP OF OIL IS TOO MUCH. ╘RY MOISTENING A ╤-TIP WITH THE CLEANING OIL.
╙PEED ADJUSTMENT: ╒SE A JEWELERS SCREW DRIVER TO ADJUST THE TINY POT AT THE EXTREME UPPER RIGHT CORNER OF THE CIRCUIT BOARD ON THE FLY WHEEL SIDE OF THE DRIVE MECHANISM. ┴ PROGRAM FOR SPEED ADJUSTMENT HAS BEEN ADDED TO ╨ROG 8. ─O NOT USE THE FLYWHEEL STROBE MARKS. ╧N ╙─-2'S MAKE THE ADJUSTMENT WITH BOTH DRIVE MECHANISMS CONNECTED BUT REMOVE DRIVE 1 FOR ACCESS TO DRIVE 0. ┼RRORS WITH ═ASS ─UPLICATOR AND ─UAL ├ANNON ARE CAUSED BY TOO FAST, NOT TOO SLOW, DISK ROTATION.
╝╙OFTWARE ├OMPATIBILITY╛
╞OR MUSIC LOVERS, THE FOLLOWING ═╙─ COMPATIBILITY INFORMATION IS TAKEN FROM THE SOFTWARE DATABASE:
╘HE MARKET VALUE OF USED ╙─-2'S IS PUT AT $150, IF YOU CAN FIND ONE. ├HECK LOCAL NEWSPAPERS. ╙─-1'S ARE SAID TO BE DIFFICULT TO SELL. ┴ USER IS OFFERING $50 FOR AN ╙─-1. ┴NY TAKERS?
┴ USER REPORTS THAT ═╙─ IS AGAIN SUPPLYING ╙ERVICE ═ANUALS FOR $39.95 INCLUDING DIAGNOSTICS DISK. ╧RDER FILLING IS SLOW. ╫RITE THEM AT 10031 ═ONROE ─R, ╙UITE 206, ─ALLAS, ╘╪ 75229, 214-357-4434. ╙TILL NO WORD ON ╒SER ═ANUALS.
├ARDINAL'S ╨HYSICAL ┼XAM ─ISK MANUAL REPORTEDLY INCLUDES MODIFICATION TO PERMIT USE WITH ═╙─ DRIVES. ╘HE PROGRAM INCLUDES ALIGNMENT AND "STOP CHECK".
┬RUCE ╥OORDA REPORTS ADDING A ROTARY SWITCH FOR DEVICE SELECTION AND MOVING THE POWER SWITCH TO THE FRONT OF AN ╙─-2.
╙ERVICE ═ERCHANDISE, A DISCOUNTER HERE, SET OFF THE ANNUAL COMPUTER WARS, OFFERING ├OMMODORE'S NEW ╨├-10-2 WITH 640╦ AND DUAL FLOPPY DRIVES INCLUDING ┬ASIC AND ═╙ ─╧╙ (BUT WITHOUT MONITOR) FOR $599. ╔ WONDER IF THIS SPELLS THE END OF THE ├-128. ╫HO WILL PAY $500 FOR 128╦ AND A SINGLE FLOPPY WHEN DUAL FLOPPIES AND 640╦ ARE AVAILABLE FOR $599? ├OMPUTE IS ALREADY OFFERING A ╨├ EDITION. ╚OW WILL OTHER MAGAZINES RESPOND? ╞ULL TEXT ON ╔NFO 4.
├ASES FOR DRIVE MECHANISMS MAY BE OBTAINED FROM SUPPLIERS. ╩AMECO ┼LECTONICS SUPPLIES ONE AS PART NO ──┼2╚╚ FOR $69.95.
╝┼XCHANGE ─ISKS╛
╘HE ┼XCHANGE ─ISKS ARE AVAILABLE FOR A $2/DISK COPY FEE BY SENDING IN BLANK DISKS WITH RETURN POSTAGE OR FOR $5 POSTPAID EACH (WE SUPPLY DISK AND MAILER). ─ISKS WITH SEQUENTIAL FILES INCLUDE ┼XCHANGE ╠ISTER, A PROGRAM TO READ OR PRINT THEM WITHOUT A WORD PROCESSOR. ╘WO DATA DISKS ARE AVAILABLE FOR ╙UPERBASE: ╙OFTWARE ├OMPATIBILITY AND ═EMORY ═AP. ╫HEN SENDING IN DISKS, PLEASE INDICATE YOUR CHOICES. ─ISKS ARE RETURNED COPIED ON BOTH SIDES. ┴NY COMBINATION OF DISK SIDES CAN BE SUPPLIED. ├URRENT SEQ CHOICES ARE: ╙OFTWARE ╙EQ; ═EMBERS; ╔NFO 1-4; ╨ROGRAMS 1-8 (EIGHT DISKS REQUIRED FOR ALL INFORMATION).
─ISKS AND THEIR CONTENTS WERE DESCRIBED IN ╬EWS 8. ┬RIEFLY THEY ARE--
╙OFTWARE SEQ. ├OMPATIBILITY INFORMATION ON OVER 450 PROGRAMS PLUS A LIST OF ALL PROGRAMS ON THE ╨ROGRAM DISKS.
═EMBERS. ═╙─ OWNERS NAMES, ADDRESSES, PHONE NUMBERS, HARDWARE, AND INTERESTS IN BOTH SEQ AND ╙┬ FILES.
╔NFO 1. ╟ENERAL ═╙─ INFORMATION ON ╔┼┼┼ ╔NTERFACES, ─╧╙ ╨ROGRAMMING, ╙─-1 ├ONVERSION, ├HIPS, ╙ERVICE, ╨ARTS, ╬EWSLETTERS 1-4, AN ╙─-2 REVIEW, PLUS THE ═EMORY ═AP.
╔NFO 4. ┼XPANDED ─╧╙ DESCRIPTION, ╨T 2, ARTICLE ON BASIC TOKENS AND FILE STRUCTURE ON DISK, REVIEW OF ╔NSTASPEED, ARTICLE ON THE 1551 DISK DRIVE, AND ╨├10-2 ARTICLE.
╨ROG 1-7 UNCHANGED.
╨ROG 8. ╠IBRARY 5.2, ┴FST ╙EQ ╠D/╙AV, ╙┬ ╨ROG ╔NDEXER, ╙─-1 ╞┬ACKUP 1.1, ═╠ ┼RR ├HAN, ═╠ ═╫ ═┼ ═╥, PLUS OTHER HIGH SPEED COMMUNCIATIONS PROGRAMS. ═╙─ SPEED ADJUST PROGRAM.
┴DDITIONAL PUBLIC DOMAIN PROGRAMS FOR INCLUSION ON THE DISKS ARE BEING SOUGHT.
╝╠ETTERS╛
┘OUR COMMENTS ON INFORMATION IN THE ╬EWSLETTER ARE APPRECIATED AND ALWAYS WELCOME. ╘HEY ARE PART OF THE LEARNING PROCESS.
