SECTION ONE

INTRODUCTION


1.0 OVERVIEW


FALCON is the base design of a series of Atari computers
extending the TOS compatible product line which began with the
ST. FALCON provides enhanced video, graphics, and sound as well
as greater bus bandwidth and operating speeds.

The FALCON architecture uses the 32-bit Motorola MC68040
processor at a clock speeds of  33 MHz. The 68040 features
on-chip data and instruction caches which can be filled in bursts
of 32 bit data fetches. The MC68040 also includes an internal
floating point coprocessor.

The architecture also includes the industry standard VMEbus to
facilitate expansion. The system supports the latest revision
(C.1) of the VMEbus specification.

In order to function in a multisystem environment, FALCON
contains an on-board moderate speed LAN port and an IO expansion
port with DMA capability. Additionally, each FALCON has and
internal modem port and two RS-232C serial ports.


1.1 SYSTEM FEATURES


Motorola MC68040 at 33 MHz
Two banks of dual-purpose (video/system) RAM, each bank
consisting of 0.5, 2, or 8 megabytes, allowing up to 15 Mb (this
memory appears 64-bits wide to the video logic and 32-bits wide
to the system bus)
Up to 32 Mb of fast expansion RAM
512Kb of 32 bit wide ROM 
Video modes that are a superset of those in the Atari ST and
TT series

	Color:

	320x200x16
	320x480x256
	640x200x4
	640x480x16

	DuoChrome:

	640x400x2

	Monochrome:
	1280x960x1

New programmable video modes XxYxN where N can be 1,2,4,8 or
24 bits/pixel (ST and TT compatible modes are planar bit mapped
while new modes are packed pixel)
Programmable video timing to allow complete software control
over sync rates and screen widths
True broadcast (NTSC/PAL/SECAM) timing, true VGA, and higher
resolution capability
Powerful graphics coprocessor
Parallel I/O port
Internal audio amp and speaker
Two asynchronous serial I/O ports (up to 19.2 Kbaud)
High-speed SDLC serial modem and LAN ports (interface
through a proprietary DMA channel)
Real time clock (RTC) with 50 bytes of non-volatile RAM
ST/MEGA compatible intelligent keyboard, with mouse and
joystick ports
Floppy disk controller and interface on a proprietary DMA
channel (double, high, and quad density)
Musical Instrument Digital Interface (MIDI)
Atari ST compatible cartridge port (128 Kb storage)
SCSI interface on a proprietary DMA channel
Expansion IO port with DMA
Multi-slot VME bus (full multi-master VME with the address
space divided into A32/D32, A24/D16, and A16/D16 areas)


1.2 CASE DESIGN


1.2.1 FRONT VIEW
1.2.2 REAR VIEW
1.2.3 LEFT SIDE VIEW


1.3 POWER SUPPLY


Approx 130 watts.


1.3.1 VOLTAGE AND CURRENT SPECIFICATIONS


Voltage        Current Minimum     Current Maximum

5V			22.0A
+12V			0.1.2A
-12V			0.500ma




1.3.2 SYSTEM USAGE



Voltage        Current