Motorola 660AV - Manual (Page 14)

Specifications Sound and Video - 10
Sound and Video
Sound Generator
Enhanced Apple sound chip (EASC), including four-voice wave
table synthesis and stereo sampling generator capable of
driving stereo mini phone-jack headphones or stereo
equipment
Video Built-in VRAM video support for all Apple monitors (requires an
adapter for 21 in. monitors)
Supports many types of NTSC, PAL, VGA