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5K320 SATA OEM Specification
85
DOWNLOAD MICROCODE command buffer offset and the previous sector count. The first
DOWNLOAD MICROCODE command shall have a buffer offset of zero.
The new firmware becomes effective immediately after the transfer of the last data segment has
completed.
When the device detects the last download microcode command for the firmware download the device
will perform any device required verification and save the complete set of downloaded microcode.
If the device receives a command other than download microcode prior to the receipt of the last
segment the new command is executed and all previously downloaded microcode is discarded.
If a software or hardware Reset is issued to the device before all of the microcode segments have
been transferred to the device the device shall abandon all of the microcode segments received and
process the Reset.