| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| pc9801_02_128kb | NEC PC-9801-02 conventional RAM | No | |||
| pc9801_02_256kb | NEC PC-9801-41 conventional RAM | No | |||
| pc9801_02_384kb | NEC PC-9801-02 x 1 + PC-9801-41 x 1 conventional RAMs | No | |||
| pc9801_02_512kb | NEC PC-9801-41 x 2 conventional RAMs | No | |||
| pc9801_02_640kb | NEC PC-9801-41 x 2 + PC-9801-02 x 1 conventional RAMs | No |