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3-4
Onboard Battery Installation
A battery is included on the mainboard to supply certain volatile memory components
with power when power has been removed from the blade module. If this battery dies, it
must be replaced with an equivalent CR2032 Lithium 3V battery. Dispose of used
batteries according to the manufacturer's instructions. See
installing a new onboard battery.
WARNING: There is a danger of explosion if the onboard battery is installed
upside down, which reverses its polarities.
3-5
Memory Installation
The mainboard of each blade unit must be populated with DIMMs (Dual In-line Memory
Modules) to provide system memory. The DIMMs should all be of the same size and
speed and from the same manufacturer due to compatibility issues. See details
below on supported memory and our web site
superblade
for recommended memory.
WARNING: For all SBI-7426 series blades, ONLY VLP (Very low profile) memory
can be used.
Populating Memory Slots
The mainboard of a SBI-7426T-SH blade module has twelve memory slots, depending
upon the blade model. Both interleaved and non-interleaved memory are supported, so
you may populate any number of DIMM slots.
Populating three slots at a time (DIMM1A + DIMM2A + DIMM3A, etc.) with memory
modules of the same size and of the same type will result in dual-channel, interleaved
memory, which is faster than single-channel, non-interleaved memory. See
and
Figure 3-5
For an interleaved configuration, memory modules of the same size and speed
must be installed in pairs. You should not mix DIMMs of different sizes and
speeds.
Figure 3-4. Installing the Onboard CR2032 Battery
Lithium Battery
Battery Holder
for details.
Chapter 3: Setup and Installation
Figure 3-4
(www.supermicro.com/products/
3-7
for a diagram of
Table 3-1
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