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Memory
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/prod-
ucts/superblade) for recommended memory.
The mainboard has eight memory slots. Both interleaved and non-interleaved
memory are supported, so you may populate any number of DIMM slots. Populat-
ing two slots at a time (DIMM00 + DIMM10, DIMM20 + DIMM30, etc.) with memory
modules of the same size and of the same type will result in dual-channel, inter-
leaved memory, which is faster than single-channel, non-interleaved memory. See
the chart below for details.
Exercise extreme care when installing or removing DIMM modules to prevent
!
any possible damage.
Installing DIMMs
1.
Power down the blade module.
2.
Remove the blade from the enclosure and the cover from the blade.
3.
Remove the air shroud that covers the DIMM slots.
4.
Insert each DIMM vertically into its slot, starting with slots 00 and 01. Pay
attention to the notch along the bottom of the module to prevent inserting the
DIMM incorrectly (see Figures 5-7 and 5-8).
5.
Gently press down on the DIMM until it snaps into place in the slot. Repeat
for all modules (see Table 5-5 for installing DIMMs into the slots in the correct
order).
6.
Replace the air shroud and the blade cover and install the blade module back
into the enclosure.
7.
Power up the blade unit.
Memory Support
The B7DBE supports up to 32 GB of ECC FBD (Fully Buffered DIMM) DDR2-667
or DDR2-533 SDRAM. For an interleaved confi guration, memory modules of the
same size and speed must be installed in pairs. You should not mix DIMMs of
different sizes and speeds.
Chapter 5: System Components
5-9
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