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Gravis Ultrasound

ID: GRAVIS-ULTRASOUND
RELEASED 1992
PRICE
DISCONTINUED 1997
UNITS SOLD Niche

I/O PORTS

Line In/OutMicJoystick/MIDI

System Analysis

The Demoscener's choice. While Sound Blaster used FM, GUS used hardware mixing of samples (Wavetable).

Processor

N/A
GF1

Custom ASIC for 32-channel hardware mixing.

Audio Subsystem

32 Channels
GF1

Hardware Linear Interpolation. No CPU hit for mixing.

Memory

DRAM
256 KB

Expandable to 1 MB

Storage

N/A
N/A

Graphics Architecture

N/A
Palette: N/A
Hardware Tricks

Did You Know?

  • ? Failed commercially because it lacked hardware Sound Blaster compatibility (emulation required software TSR).
  • ? Essential for watching demos like "Second Reality".