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Raspberry Pi and System compatibility
With many people working on and testing RaSCSI on their own systems, you can find details on what Raspberry Pis and which computers work together. Check out the Compatibility page.
Benchmarks
Benchmark testing has been performed with the RaSCSI on a few different Raspberry Pi models. Please check the benchmarks page for additional details.
Hardware Component
Connection Method
The hardware component of RaSCSI interfaces with GPIO pins on the Raspberry Pi to read/control the SCSI signals. As the Raspberry Pi GPIO pins operate at 3.3v and SCSI signalling is 5v, the RaSCSI interface uses bus transceivers allowing the Raspberry Pi to safely communicate on the SCSI bus. The SCSI I/O signal is used to control the direction of the Data signals, and a dedicated GPIO pin is used to control the direction of several control signals. As of Sept 2020, the suggested transceiver is the SN74LS641-1 from Texas Instruments. As development is still underway, a