| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| r2000 | MIPS R2000 | No | |||
| r2000a | MIPS R2000A | No | |||
| r3000 | MIPS R3000 | No | |||
| r3000a | MIPS R3000A | No | |||
| r3041 | IDT R3041 | No | |||
| r3051 | IDT R3051 | No | |||
| r3052 | IDT R3052 | No | |||
| r3052e | IDT R3052E | No | |||
| r3071 | IDT R3071 | No | |||
| r3081 | IDT R3081 | No | |||
| sonyiop | Sony Playstation 2 IOP | No |