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| Number | Title | Issue Date |
| 5155810 | Dual FIFO peripheral with combinatorial logic circuitry An adapter is connected between a peripheral controller and an intelligent peripheral device. The adapter allows the peripheral device to communicate with the controller. The adapter has control logic rather than a microprocessor for transmitting and rece... | 10/13/1992 |
| 5101490 | Peripheral device controller with an EEPROM with microinstructions for a RAM control store A peripheral device controller has an EEPROM which stores microinstructions to be placed in a random access memory control store. The EEPROM also stores peripheral configuration information. This information is obtained by polling the peripheral devices c... | 03/31/1992 |
| 4888727 | Peripheral controller with paged data buffer management A controller controls data transfers between a data processing system bus and peripheral devices. In the controller, data buffers are divided into page frames. Paging circuitry provides for allocation and deallocation of pages to and from the data buffer.... | 12/19/1989 |
