Patent ID: 6370624
Filing Date: 2002-04-09
Classification: G06F

Abstract:
A method comprising:receiving a plurality of memory access commands from a plurality of command ports; selecting a next memory access command to be executed after a current memory access command from said plurality of memory access commands; closing a number of pages of memory in response to the next memory access command, the number being determined at least in part on which of the plurality of command ports provides the next memory access command, wherein closing the number of pages comprises: if a configuration register is set to a first setting, then closing a first non-zero number of pages if the next memory access command is from a different command port, the configuration register being capable of indicating which one of a plurality of non-zero numbers of pages should be closed in the event of the next memory access command being from the different command port; if the configuration register is set to a second setting, then closing a second non-zero number of pages if the next memory access command is from a different command port.