COMPONENTS OF THE AMIGA
These are the hardware components of the Amiga:
o Motorola MC68000 16/32 bit main processor. The Amiga also supports the 68010,
68020, and 68030 processors as an option.
o 512K bytes of internal RAM, expandable to 1 MB on the A500 and A2000.
o 256K bytes of ROM containing a real time, multitasking operating system with sound,
graphics, and animation support routines.
o Built-in 3.5 inch double sided disk drive.
o Expansion disk port for connecting up to three additional disk drives, which may be
either 3.5 inch or 5.25 inch, double sided.
o Fully programmable RS-232-C serial port.
o Fully programmable parallel port.
o Two button opto-mechanical mouse.
o Two reconfigurable controller ports (for mice, joysticks, light pens, paddles, or custom
controllers).
o A professional keyboard with numeric keypad, 10 function keys, and cursor keys. A
variety of international keyboards are also supported.
o Ports for simultaneous composite video, and analog or digital RGB output.
o Ports for left and right stereo audio from four special purpose audio channels.
o Expansion options that allow you to add RAM, additional disk drives (floppy or hard),
peripherals, or co-processors.
THE MC6X000 AND THE AMIGA CUSTOM CHIPS
The Motorola 68000 is a 16/32 bit microprocessor. The system clock speed for NTSC
Amiga’s is 7.15909 megahertz (PAL 7.09379 MHz). These speeds may vary when using an
external system clock, such as from a genlock. The 68000 has an address space of 16
megabytes. In the Amiga, the 68000 can address over 8 megabytes of continuous random
access memory (RAM).
- 2 Introduction -
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