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Chapter 2 – Installation
Installing / Upgrading SODIMM
ACS-8990 is normally supplied without any on-board memory installed. The ACS-8990
controller requires a minimum 64 MB SODIMM installed in the socket on the controller board
in order to operate.
SODIMM specifications:
Minimum
200-pin
DDR
(PC-200).
SODIMM, with or without parity
(ECC or non-ECC)
Minimum of one SODIMM with 64
MB. The memory card socket can
support 64, 128, 256, 512 MB or 1
GB of memory.
Read the pre-installation notices earlier in this chapter before proceeding with
installation.
There's no set formula to determine how much cache memory to use, but as a
general rule, a workstation, with mostly very large files, such as for audio or
video editing and playback, graphics or CAD files, can benefit from a large
cache. File servers, with multiple random access of varying file size, generally
have little or no performance improvement with additional cache.
SODIMM
module
Recommended
DDR RAM
With parity, for security
Minimum of 64 MB. More memory
(up
to
1
GB)
performance: the size of the memory
module defines the cache writing
space available to the ACS-8990.
equals
better
27
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