ÓÕÂÊ: 1750 ÃLONE, EXPANDABLE? (Ò4) ÆÒÏÍ: ÊACKÄANIEL 07/12/90 Ó#: 800216 ..É'VE A 1750 ÃLONE FROM ÓÓÉ, THAT IS TO SAY, IT STARTED LIFE AS A 1764. ÃAN THIS MODEL BE UPGRADED TO THE 1-2 MEG RANGE..AS É'VE SEEN SO MUCH COMMENTARY ABOUT LATELY? É'M AQUIRING A 1581 VERY SOON, AND AM INTERESTED IN THE POSSIBILITY OF A 1581 ÒÁÍ DISK..COPIED DIRECTLY OFF THE 1581 DRIVE... ÁLSO, IS THERE SOMEONE WHO COULD SAY, JUST WHAT ÁÒÅ THE DEFINITIVE "DIRECTIONS" FOR THIS MODIFICATION. ÄIÂIEF IS STARTING TO CONFUSE ME, AND ALTHOUGHT É SUSPECT HE MEANS WELL, AND HIS INFORMATION IS VERY USEFUL..É SEE HE HAS YET ÁÎÏÔÈÅÒ UPLOADED "CORRECTION"...É GUESS THAT'S TO BE EXPECTED WITH EXPERIMENTATION..BUT ARE THEIR ANY OTHER "HARDWARE HACKERS" OUT THERE WHO COULD SHARE THEIR EXPERIENCES HERE...ESPECIALLY IF THEY KNOW ABOUT THE 1764 TO 1750ÃLONE TO 2-ÍEG CONVERSIONS? ÔHANKS SO MUCH..APPRECIATE THE TIME ALL OF YOU SPEND ON THIS SORT OF STUFF! -::- ÓÕÂÊ: ÉT WILL EXPAND FINE. (Ò) ÆÒÏÍ: ÇÅÏÒÅÐ ÊÉÍ 07/12/90 Ó#: 412905 ÔHE 1764 AND 1750 ARE THE SAME BASIC UNIT, EXCEPT THE 1764 HAS 256Ë AND THE 1750 HAS 512Ë. Á 1750 CLONE IS EXACTLY THE SAME AS A REGULAR 1750 OTHER THAN THE WORDS "1764 ÒÁÍ ÅØÐÁÎÓÉÏÎ" PRINTED ON THE CASE.. THE ONLY DIFFERENT MODEL IS THE 1700, WHICH USES DIFFERENT CONFIGURATION ÒÁÍ CHIPS (AND IT TOO CAN BE UPGRADED TO 256 OR 512Ë) - ALL OF THESE ÒÅÕ'S CAN BE EXPANDED BEYOND 512Ë. ÔHE ONLY REAL REQUIREMENT IS THAT THE ÒÅÕ HAVE 512Ë IN THE FIRST PLACE BEFORE YOU EXPAND IT FURTHER. É.E. YOU HAVE TO ADD THE OTHER 256Ë TO A 1764 BEFORE YOU CAN EXPAND IT TO 2 ÍEG. ÔHE ORIGINAL TEXT FILE DESCRIBING THE PROCESS IS "BEYOND512K.SDA" BY "ÒECURSION". (ÄOWNLOAD BY ÆILENAME TO GET IT, OR VISIT ÓOFTWARE ÌIBRARIES / 64 ÌIBRARIES / 64 ÈARDWARE ÓUPPORT ÌIBRARY) ÔHIS IS ÁÌÌ É USED (AND A FEW OTHERS WHO DID IT A FEW MONTHS AGO) TO EXPAND THE ÒÅÕ AND IT IS ACCURATE. ÒECENTLY OTHER FILES HAVE BEEN UPLOADED TO HELP YOU OUT IN THE PROCESS; DIAGRAMS, ETC. ÇET WHATEVER OF THESE YOU LIKE, BUT COMPARE THEM TO THE ORIGINAL BEYOND512K.SDA FILE TO MAKE SURE THEY ARE ACCURATE. ÔHEY ARE NOT CORRECTIONS TO BEYOND512K.SDA, JUST AIDS. ×E DID IT WITH NO PROBLEM BACK WHEN BEYOND512K.SDA WAS THE ONLY FILE AVAILABLE, AND YOU CAN CERTAINLY DO THE MOD WITH JUST THAT FILE. -ÊIM :) -::- ÓÕÂÊ: ÅXPANSIONS DONE BY (Ò) ÆÒÏÍ: ÄAUNTLESS 07/12/90 Ó#: 471032 A THIRD PARTY, ÃÍÄÒ ÆÉØÅÒ, ARE VERY GOOD AND REASONABLY INEXPENSIVE. ÍELVIN ÍONTGOMERY EXPANDED MINE TO 2 MEGS IN LESS THAN A WEEK FOR $300. ÆOR MORE INFO CONTACT HIM ON Ñ. BY THE WAY, A ÒÁÍ 1581 IS VERY USEFUL! -::- ÓÕÂÊ: ..THANKS FOR THE SWIFT REPL(Ò) ÆÒÏÍ: ÊACKÄANIEL 07/13/90 Ó#: 466871 ...TO BOTH OF YOU..ÊIM, ESPECIALLY FOR THE HARD INFO THERE.. É'VE A BUDDY IN MY ÕÇ WHO WANTS TO DO IT...FOR FUN...ALL É NEED IS THE $$$$ ×ELL, WE'LL SEE....JUST GOT MY 1581 TONITE....HAVE A FEW OTHER EXPENSES COMING UP, AND THEN.....WE'LL SEE ABOUT KICKING THAT ÒÁÍ OUT A MEG OR SO... ÔHANKS AGAIN! ÊACKÄANIEL -::- ÓÕÂÊ: ÇOOD LUCK! ÆÒÏÍ: ÇÅÏÒÅÐ ÊÉÍ 07/13/90 Ó#: 514460 ÉT IS A LONG AND TEDIOUS PROJECT. ÍAKE SURE YOU HAVE A VERY FINE-TIPPED SOLDERING IRON. ×E ONLY HAVE A FAIRLY SMALL IRON HERE AND IT WAS WAY TOO BIG, DIDN'T WORK UNTIL ÄAD TOOK IT TO WORK AND TOUCHED EVERYTHING UP WITH A FINE-TIPPED ONE. ÏNE OF THOSE BUTANE-POWERED BEAUTIES SHOULD WORK WELL, OR A RECHARGEABLE ONE (ALTHOUGH YOU'LL PROBABLY RUN IT DEAD A FEW TIMES DURING THE EXPANSION). ÔOOK MY DAD ABOUT HALF A DAY TO ADD THE 512Ë. (ÈE'S AN ÅÅ SO HE'S ALREADY A WHIZ WITH A SOLDERING IRON) -ÊIM :)