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How is the memory accessed on the 3514 and the 5104 synchronous serial adapters?
Reference Number: AA-00479 Views: 1944 Created: 02/01/2011 03:48 pm Last Updated: 03/06/2017 06:03 pm 100 Rating/ 1 Voters


The Zilog 16C32-based 3514 and 5104 have 256 K of memory on the adapters that are used for buffering the input and output data. To aid in transfer efficiency, the Windows SeaMAC driver conducts 32-bit transfers from the adapters’ memory to the system memory until there are less than four bytes to transfer. The remaining (1-3) bytes use 8-bit transfers.


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