Additional Installation/Replacement Of Main Storage - Hitachi GR4000 Series Installation Manual

GR4000 Installation Guide Version 1.00 - Preliminary
5.8

Additional Installation/Replacement of Main Storage

The same method of installing/replacing a main storage is applied for all the GR4000
models. You must install another DIMM to expand memory, and you can install up to
four 256MB DIMMs into the BCU of GR4000.
WARNING: THE REPLACEMENT OF A DIMM SHOULD BE DONE BY A TRAINED
(1) Detachment of a DIMM
Step 1
(As for the detachment of the BCU, refer to the section 5.5 Additional
Installation/Replacement of Basic Control Units.）
Step 2
(DIMM) by pulling it towards the direction (B).
Basic control unit (BCU)
Figure 5.8-1 Memory module removed from the BCU
202
ENGINEER OR A QUALIFIED MAINTENANCE PERSON.
Remove the basic control unit (BCU) from the device.
Open the levers towards the direction (A), and remove the memory module
（B）
（A
）
Lever
Memory module
(DIMM)
（A）
Lever
520-10-014-20X