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CMD RAMLink



 
 
The RAMLink was one of several RAM expansion products made by Creative Micro Designs (CMD)
Creative Micro Designs

Creative Micro Designs is a computer technologies company which today sells IBM PC compatibles and related equipment, but which started out in 1987 selling self-designed firmware updates and computer hardware for the Commodore 64 and Commodore 128 8-bit home computer/personal computers....
 for Commodore
Commodore International

Commodore, the commonly used name for Commodore International, was a United States electronics company based in West Chester, Pennsylvania which was a vital player in the home computer/personal computer field in the 1980s....
's C64
Commodore 64

The Commodore 64 is an 8-bit home computer released by Commodore International in August, 1982, at a price of United States dollar595. Preceded by the Commodore VIC-20 and Commodore MAX Machine, the C64 features 64 kilobytes of Random-access memory with sound and graphics performance that were superior to IBM-compatible computers of tha...
/128
Commodore 128

The Commodore 128 home computer/personal computer was the last 8-bit machine commercially released by Commodore International . Introduced in January of 1985 at the Consumer Electronics Show in Las Vegas metropolitan area, it appeared three years after its predecessor, the bestselling Commodore 64....
 home computer
Home computer

A home computer was a class of personal computer entering the market in 1977 and becoming common during the 1980s. They were marketed to consumers as accessible personal computers, more capable than video game consoles....
s. The RAMLink was intended as a third-party alternative and successor to Commodore's own 17xx-series REU
Commodore REU

Commodore International's RAM Expansion Unit range of external random-access memory add-ons for their Commodore 64/Commodore 128 home computers was announced at the same time as the C128....
 RAM expansion cartridges.

Unlike the REU, the RAMLink is externally powered and designed from the ground-up to act as a RAM disk.








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Encyclopedia


The RAMLink was one of several RAM expansion products made by Creative Micro Designs (CMD)
Creative Micro Designs

Creative Micro Designs is a computer technologies company which today sells IBM PC compatibles and related equipment, but which started out in 1987 selling self-designed firmware updates and computer hardware for the Commodore 64 and Commodore 128 8-bit home computer/personal computers....
 for Commodore
Commodore International

Commodore, the commonly used name for Commodore International, was a United States electronics company based in West Chester, Pennsylvania which was a vital player in the home computer/personal computer field in the 1980s....
's C64
Commodore 64

The Commodore 64 is an 8-bit home computer released by Commodore International in August, 1982, at a price of United States dollar595. Preceded by the Commodore VIC-20 and Commodore MAX Machine, the C64 features 64 kilobytes of Random-access memory with sound and graphics performance that were superior to IBM-compatible computers of tha...
/128
Commodore 128

The Commodore 128 home computer/personal computer was the last 8-bit machine commercially released by Commodore International . Introduced in January of 1985 at the Consumer Electronics Show in Las Vegas metropolitan area, it appeared three years after its predecessor, the bestselling Commodore 64....
 home computer
Home computer

A home computer was a class of personal computer entering the market in 1977 and becoming common during the 1980s. They were marketed to consumers as accessible personal computers, more capable than video game consoles....
s. The RAMLink was intended as a third-party alternative and successor to Commodore's own 17xx-series REU
Commodore REU

Commodore International's RAM Expansion Unit range of external random-access memory add-ons for their Commodore 64/Commodore 128 home computers was announced at the same time as the C128....
 RAM expansion cartridges.

Unlike the REU, the RAMLink is externally powered and designed from the ground-up to act as a RAM disk.

Features

  • Allows up to 16 MiB of expansion RAM. The expansion memory can be provided by a combination of 30-pin SIMM
    SIMM

    A SIMM, or single in-line memory module, is a type of memory module containing random access memory used in computers from the early 1980s to the late 1990s....
     RAM on an internal card, a Commodore 17xx-series REU (or a clone) plugged into the RAM Port, or a GeoRAM.
  • Provides its own copy of JiffyDOS, allowing accelerated operation with any other JiffyDOS-equipped disk device.
  • Full set of partitioning tools and DOS commands.
  • 1541, 1571 and 1581 disk-layout emulation modes
  • One partition type provides Direct-access REU-like capability
  • Secondary power socket and on-board charging circuit to accept a 6 volt
    Volt

    The volt is the SI SI derived unit of electric potential difference or electromotive force, commonly known as voltage. It is named in honor of the Lombard physicist Alessandro Volta , who invented the voltaic pile, possibly the first chemical battery ....
     "sealed"
    VRLA

    VRLA stands for valve regulated lead-acid and is the designation for low maintenance lead-acid battery, also called recombinant batteries. VRLA batteries are commonly further classified as:...
     lead acid
    Lead-acid battery

    Lead-acid batteries, invented in 1859 by France physicist Gaston Plant?, are the oldest type of rechargeable battery. Despite having the second lowest energy-to-weight ratio and a correspondingly low energy-to-volume ratio, their ability to supply high surge currents means that the cells maintain a relatively large power-to-weight ratio....
     backup battery.
  • Battery-backed real time clock for time and date stamping of files, if the internal RAM card is present.
  • Includes drivers to allow GEOS to use its memory as either a replacement for swap space, or as a regular 'disk' drive.
  • Custom parallel connection for the CMD HD Series line of hard drives.
  • Pass-through expansion port
  • On-device buttons to swap device numbers with other drives, switches to disable or change the way in which 17xx-series REUs are handles.