Sound ROM Information
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Below you will find information on the Sound ROM's used on the early Williams Games
| Williams Sound ROM Information | ||||||
|---|---|---|---|---|---|---|
| Game | ROM Number | Type EPROM | Size(Bits) | Layout | Notes/Comments | |
| Defender | Video Sound ROM 1 | 2716 | 16K | 2K x 8 | ||
| Stargate | Video Sound ROM 2 | 2716 | 16K | 2K x 8 | ||
| Robotron | Video Sound ROM 3 | 2532 | 32K | 4K x 8 | ||
| Joust | Video Sound ROM 4 | 2532 | 32K | 4K x 8 | ||
| Bubbles | Video Sound ROM 5 | 2532 | 32K | 4K x 8 | ||
| Sinistar | Video Sound ROM 9 | 2532 | 32K | 4K x 8 | Upright and Front Sound Board on Cockpit | |
| Sinistar | Video Sound ROM 10 | 2532 | 32K | 4K x 8 | Rear Sound Board on Cockpit | |
| Blaster | Video Sound ROM 18 | 2532 | 32K | 4K x 8 | Uses 2 sound boards - both same ROM | |
