Changes

* These systems use the Texas Instruments SN76489 sound chip, which is closely related to the General Instruments AY-3-8910 Programmable Sound Generator (PSG) found in MSX1.

* The SV-318/328 computers use identical CPU, VDP, and PSG hardware to MSX1, with the SVI-BASIC being very similar to MSX-BASIC.

=== Generation 1: MSX1 ===