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For In Place Upgrade, the SKU must be used. The SKU cannot be upgraded
to full featured RAID. In place upgrade simply means using an
SKU in IOC mode and
then at some later point in time, updating the firmware and reset straps to put the
into
IOP mode. From the end user perspective it will appear as an in place upgrade from an I/O
controller for a fully featured Intelligent RAID Subsystem.
The following are reset straps associated with putting the in TPER mode (additionally,
of course, TPER firmware must be used for the
to operate in TPER mode). (see
datasheet for complete listing of reset straps and their descriptions)
mode:
CONTROLLER_ONLY#: 0
DF_SEL[2:0]: 000 (no other combinations are currently valid)
HOLD_X0_IN_RST#: 1
HOLD_X1_IN_RST#: 0
CFG_CYCLE_EN#: 1
in TPER mode:
The design must comprehend the additional hardware requirements needed by the full featured
RAID solution. The specific hardware requirements, and the mechanism to add them, are
dependent on the RAID ISV but include items such as:
DDR2 (connector and/or memory) and supporting components.
PBI modules required by the full featured RAID such as journaling NVSRAM, buzzers,
additional Flash, etc.
Hardware Key for software/firmware feature enabling.