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3-7
Chapter 3: Setup and Installation
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
Figure 3-4 for a diagram of
installing a new onboard battery.
Figure 3-4. Installing the Onboard CR2032 Battery
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 ( www.supermicro.com/products/
superblade for recommended memory.
Populating Memory Slots
The mainboard of a SBI-7126TG blade module has 6 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 ( 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
Table 3-1
and Figure 3-5 for details.
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.
WARNING: There is a danger of explosion if the onboard battery is installed
upside down, which reverses its polarities.
WARNING: For all SBI-7426 series blades, ONLY VLP (Very low profile) memory
can be used.
Lithium Battery
Battery Holder