1984 - The Commodore SX-64/DX64 (Executive)
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The Commodore Executive SX-64 was a self-contained portable version of the Commodore 64, with its own 12.5cm (5") colour
screen and ran all disk or cartridge-based software designed for the C-64. It could be purchased with a single (SX) or dual (DX)
5¼" floppy disk drives - the most popular was the single disk drive model which left a slot in the front where floppy disks
could be stored. The casing itself was both rugged and compact, resembling the portable test equipment used by service engineers,
particularly in the way that the lid containing the keyboard was removable leaving the carrying handle free to double as a stand.
There was a slot in the top of the casing to take ROM cartridges which was covered by a flap when not being used. The only negative
aspect was the fact that the mains cable and plug could not be stored anywhere inside the casing, but that was only of small
nuisance value. To add to its business-like image it was supplied with a Word Processor, Database and Utilities package.
||20K ROM - 3K RAM
||38K RAM - 54K if Basic Interpreter not used
||Qwerty layout - 66 keys including 4 function keys
||40 columns 25 lines 255 displayable characters
||320 x 200 pixels
||3 voices of 9 octaves , 9 volume levels
||RS232C Commodore Serial Port
||1 or 2 Parallel 5¼" Disk Drives storing 170K per disk
||C1531 Cassette Drive port
||2 Joystick ports
||ROM Cartridge port in top of casing
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Revised: September 25, 2005.