System Specification for C65
Fred Bowen
March 1, 1991
1.2
System Overview
(continued)
Disk, Printer support --
FDC custom MFM controller chip built in, with 512-byte buffer, sector or full track read/write/format, LED and motor control, copy protection.
Built-in 3.5" double sided, 1MB MFM capacity drive
Media & file system compatible with 1581 disk drive
Supports one additional "dumb" drive externally.
Standard CBM bus serial (all modes, about 4800 baud)
Fast serial bus (C65 mode only, about 20K baud)
Burst serial (C65 mode only, about 50K baud)
External ports --
50-pin Cartridge/expansion port (ROM cartridges, etc.)
24-pin User/parallel port (modem (1670), RS-232 serial)
Composite video/audio port (8-pin DIN)
Analog RGB video port. ) (DB-9)
RF video output jack
Serial bus port (disks (1541/1571/1581), printers, etc.)
External floppy drive port (mini DIN8)
2 DB9 control ports (joystick, mouse, tablets, lightpen)
Left and right stereo audio output jacks
RAM expansion port, built-in support for RAM controller
Keyboard -- 77 keys, including standard C64 keyboard plus:
Total of 8 function keys, FI-F16, Shifted and nonshifted
TAB, escape, ALT, CAPS lock, no scroll, help (F15/16)
Power, disk activity LEDs
Reset button
Power supply -- external, brick type
+5VDC at 2.2A and +12VDC at .85A
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Last updated August 10, 2001.