Fathom [Model 1233]
45 Years old Pinball Bally Mfg. Co. [Chicago, IL, USA]

Fathom © 1981 Bally.

TECHNICAL / MACHINE PICT.

Bally MPU AS-2518-35 (Squawk and Talk)
Model Number : 1233

Main CPU : M6800 (@ 475 KHz)
Sound CPU : M6802 (@ 895 KHz)
Sound chips : General Instrument AY8910 (@ 895 KHz), DAC, Texas Instruments TMS5220 (@ 640 KHz)

Machine Picture
Machine Picture
(members only)
TRIVIA

Released in August 1981. 3,500 units were produced.

The development of this game took 8 months (started in December 1980).

STAFF
👥
Designer : Ward Pemberton
Artwork : Greg Freres, Kevin O'Connor
Dots/Animation by : Kevin O'Connor
SOURCES
🔗
ROM dump (MAME).
Machine's picture (bossyman15)