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Topic: Commodore REU


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  Science Fair Projects - Commodore REU
Commodore's RAM Expansion Unit (REU) range of external RAM add-ons for their home computers was announced at the same time as the Commodore 128.
Like other add-on products from Commodore International, their relatively small installed base relative to the huge installed base of the C64 made software developers hesitant to invest much time and effort in supporting it, and the lack of commercial support kept sales lower than they otherwise might have been.
The REUs came with software to utilize the extra memory as a RAM disk, but the RAM disk's compatibility with commercial software was spotty, as some commercial software relied heavily on various quirks of the Commodore 1541 floppy drive.
www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Commodore_REU   (869 words)

  
 Commodore 64   (Site not responding. Last check: 2007-11-04)
Commodore attempted in 1984 to replace the C64 with the Commodore Plus/4, which offered a higher-color display, a better implementation of BASIC (V3.5), and built-in software.
In 1986, Commodore released the Commodore 64C computer, which was functionally identical to the original, but whose exterior design was remodelled in the spirit of the C128 to reflect "modernism".
Commodore had a better implementation of BASIC but reportedly chose to ship the C64 with the same BASIC 2.0 used in the VIC-20 for fear of the C64 eating into the sales of its PET/CBM line.
www.sciencedaily.com /encyclopedia/commodore_64   (1701 words)

  
 Commodore 64   (Site not responding. Last check: 2007-11-04)
Commodore probably made this mistake because in that era hardware was still considered more significant than software, and it was not understood that in the future hardware would become sort of a commodity item and software would rule as the most important selling point.
Commodore was determined not to repeat the same mistake twice and made sure that the actual successor to the '64 in 1985, the Commodore 128 (/128D) computer, were as good as and fully compatible with the original.
REUs of 128K and 512K, originally designed for the C128, were also available, but required the user to also buy a stronger power supply from some third party supplier; with the 1764 this was included.
www.worldhistory.com /wiki/C/Commodore-64.htm   (2937 words)

  
 [No title]
This is caused by Commodore's haste in "economizing" the IEEE-488 bus used in the PET series of Commodore computers into the serial bus.
Commodore reduced the path to 1 bit but kept most of the original handshaking, most of which is redundant when transferring 1 bit at a time.
If you are using CP/M, the REU can be configured to act like a disk drive under CP/M. Although the C=1764 was originally advertised for the C64, and the 1700 and 1750 for the C128, any of the three RAM expanders will work with either the C64 or the C128.
c64.kset.org /64/faq/faq8.txt   (4674 words)

  
 C=Hacking #11
Commodore Hacking is published 4 times yearly by: Brain Innovations Inc. 602 N. Lemen Fenton MI 48430 The magazine is published on on-line networks free of charge, and a nominal fee is charged for alternate mediums of transmission.
Commodore Hacking has heard rumors of what is going on at CMD, but we haven't heard about the laptop project.
Commodore users are getting tired of all the clutter and mess cables, power cords, expansion extenders, Swiftlink cartridges, etc. make in the computer room.
unusedino.de /ec64/technical/c=hacking/ch11.html   (19013 words)

  
 Commodore REU - Iridis Encyclopedia   (Site not responding. Last check: 2007-11-04)
The Commodore REU (RAM Expansion Unit) was announced at the same time as the Commodore 128 home computer.
Although the C128 could access more than 64K of RAM through bank switching, the memory inside the REU could only be accessed by memory-transfers (STORE, LOAD, SWAP, COMPARE) between the main memory and the REU memory, thus, giving an equivalent to a (slow) small memory window.
Like other add-on products from Commodore International, their relatively small installed base relative to the huge installed base of the Commodore 64 made software developers hesitant to invest much time and effort in supporting it, and the lack of commercial support kept sales lower than they otherwise might have been.
www.iridis.com /Commodore_REU   (678 words)

  
 Commodore 64 games and software and Commodore 128 and 64 computer products
The Commodore 128 is like having an advanced Commodore 64 computer with several different modes of operation and additional capabilities.
This is a switchbox and cable for connecting a Commodore 64 to a television.
Commodore 64 version of exciting chess game where each chess piece fights to conquer the square it is moved to.
www.oldsoftware.com /Commodore.html   (5402 words)

  
 [No title]   (Site not responding. Last check: 2007-11-04)
RAM expanders (REU's) from CBM and other utility cartridges followed, and soon a Commodore user could find himself with three or more items in regular use, all vying for the single cartridge port.
This was particularly useful for combining the services of a utility cartridge with a REU (attempting to use two or more utility cartridges together usually produces conflicts).
However, the REU is a much larger device (CBM's unit is 6 1/4 by 5 1/2 inches), and is a bit wobbly this way.
home.att.net /~rmestel/articles/cartridge_port_expanders.txt   (586 words)

  
 [No title]   (Site not responding. Last check: 2007-11-04)
A special gadget shows the REU size as determined at system start-up, memory enhanced REU's are checked with this gadget (note: GoDot uses a maximum of one megabyte).
REU users are advised to save a backup copy to ram to avoid a second load from disk.
REU users choose the Temp saver and save "temp00" in unit "Ram".
c128.port5.com /cops/godot/godot_man.txt   (10148 words)

  
 [No title]
Address any comments, concerns, or suggestions to: Commodore Hacking 602 N. Lemen Fenton, MI 48430 brain@mail.msen.com (Internet) #(A)c: Need Samples of Samples From: "Clifford \"Paska\" Anderson" Dear C=Hacking, Hey.
Q $14C) On the Commodore 128, the 80 column output is output by the VDC chip.
Q $14E) When referring to the Commodore 4032, one usually states that one has a "thin 40" or a "fat 40".
www.ffd2.com /fridge/chacking/c=hacking11.txt   (13126 words)

  
 GoDot Manual   (Site not responding. Last check: 2007-11-04)
The main purpose of this module is to install additional modules in the REU.
Under GoDot it can't print in 720 dpi mode though the printer would be able to, because this would have resulted in half sized printouts.
REU owners should install the required modules first (using mod.REUTool).
c128.port5.com /cops/godot/godot_man.html   (9721 words)

  
 Status Register 7-98
On May 9th, the Lansing Area Commodore Club held its annual EXPO in Okemos, Michigan.
This is a once a year gathering of local club members along with Commodore enthusiasts from other clubs around the country.
This is equal to the memory found in the 1700, the smallest REU that Commodore made.
www.cucug.org /sr/sr9807.html   (11494 words)

  
 bluemud.org - commodore-main-faq-part8   (Site not responding. Last check: 2007-11-04)
Commodore owners have been plagued by slow disk access.
A REU will only be used by a program that was
An REU can be used as a Commodore Disk Drive by running the program
www.bluemud.org /print/15267   (3931 words)

  
 Thompson Le Blanc Commodore's REU Homepage (Summer 2003)
Thompson Le Blanc Commodore's REU Homepage (Summer 2003)
Binary star systems are those in which two or more stars coexist, usually in close proximity of each other, in such a way that they revolve around each other, or when one or more has a distinct impact o the movement of the other.
Success in this goal would determine how eclipsing binary stars contribute, and how they affect stellar evolution.
wisp.physics.wisc.edu /~reu2003/leblanc/mainpage.html   (610 words)

  
 Commodore Home   (Site not responding. Last check: 2007-11-04)
At 1:30 AM EDT Saturday, July 21 in the year 2001,
CMD officially turned over its Commodore product line
carries wide range of Commodore hardware products and supplies.
www.cmdweb.com /cbm   (123 words)

  
 [No title]   (Site not responding. Last check: 2007-11-04)
No, it was not caused by some error in my VIC-II emulation as some people suggested.
Grab a copy over at the Commodore 64 Emulators page.
Please view the screen shots of the Commodore Systems at the MESS Website!
www.darkmazda.com /archives/032000.html   (11151 words)

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