MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
High performance ide controller for pci bus, aiming to suite file sever class or raid application and meets the ata-6 specification and ide pio mode, mulitword dma and ulta dma mode, up to 13 mb/s rate
MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Conforms to the pci-32 bit bus master transfer capability including pci enhanced data commandsm (133 mb/s) , and provides the scatter/ gather to reduce intrrupet handle and improve performance; also provides the pci power management capability meet the mother board add-in card design