Chapter 2: Installation
Memory Module Installation/Upgrade
2-7
♦
Midplane
♦
Driveplane
Accessory items are placed on top of the controller modules. They include power cords,
Audio Jack cable and a CD containing both the Hardware Manual (this document) and
the RAIDWatch User’s Manual.
2.6. Memory Module Installation/Upgrade
The ES subsystem comes with pre-installed SDRAM DIMMs. The sizes are shown in
Table 2-1
.
Model
DIMM Module
ES U16UG4010-42-0030
256MB
ES U16UG4010-45-0030
512MB
ES U16UG4010-62-0030
256MB
ES U16UG4010-65-0030
512MB
Table 2-1: DIMM Module Sizes
If the user wishes to use SDRAM modules with a different size, the pre-installed modules
must be removed and the new ones installed.
WARNING:
Although it is possible to change the DIMM modules, users are not encouraged to do
so. It is recommended that user’s carefully consider their memory requirements prior
to purchasing the subsystem. If for some reason the DIMM modules do need to be
changed it is advisable that it is done by an experienced engineer and that all safety
precautions are strictly adhered to.
If the memory modules do not need to be changed, please move on to
Section 2.7
. If the
memory modules are going to be replaced with new ones, please refer to the installation
procedure below.
2.6.1 Selecting the DIMMs
If memory modules on the ES subsystem controller are going to be replaced, when
purchasing the replacement DIMM modules the following factors must be considered:
♦
Pre-Installed SDRAM DIMM
– Please refer to
Table 2-1
to determine the size of
the preinstalled memory module on your subsystem.
