Memory Board Installation Order - Acer Altos R920 Series User Manual

166
The memory boards connect to the mainboard through the memory
board slots A, B, C, and D (Each slot support the x16 PCI Express
mechanical slot, refer to "Mainboard" on page 12 for the location of
the memory board slots.). Each memory board is equipped with eight
DIMM slots that supports 1 GB, 2 GB, or 4 GB DDR2-667 MHz (PC-5300)
FBDIMM modules. The memory board includes a DIMM fault LED that
is used to report DIMM failures and error conditions.
Refer to "Memory configuration" on page 171 for details on the
available system memory configuration.

Memory board installation order

The table below lists the suggested memory board installation order.
Memory
board
Normal
slot
configuration
A 1
B 2
C 3
D 4
Appendix B: Memory configuration
Installation order
Memory sparing
configuration
Set 1
Set 2
Note: Requires
installation of two or four
sets of memory boards,
paired as sets of two. Each
memory board in a set
must have same amount
of memory board
installed.
Memory mirroring
configuration
Note: Requires
installation of four
memory boards with
equal memory capacity.