| Part Number | Description |
|---|---|
| SIS23C128A | 16K x 8 CMOS Mask ROM |
| SiS85C471 | single chip controller |
| 85C471 | single chip controller |
| SIS23C128 | 16K x 8 CMOS Mask ROM |
| SIS23C32 | 4K x 8 CMOS MASK ROM |
| SIS23C32A | 4K x 8 CMOS MASK ROM |
| SIS23C33A | 4K x 8 CMOS MASK ROM |
| SIS23C33 | 4K x 8 CMOS MASK ROM |
