NIO64 Host Computer (Z820) Memory Replacement

Prerequisites

Table 5. Safety

TO PREVENT DAMAGE TO COMPONENTS WITHIN THE Z820, OBSERVE THE FOLLOWING ESD PRECAUTIONS:
- WORK ON A STATIC-FREE MAT
- WEAR A STATIC STRAP TO ENSURE THAT ANY ACCUMULATED ELECTROSTATIC CHARGE IS DISCHARGED FROM YOUR BODY TO GROUND.
- CREATE A COMMON GROUND FOR THE EQUIPMENT YOU ARE WORKING ON BY CONNECTING THE STATIC-FREE MAT, STATIC STRAP AND PERIPHERAL UNITS TO THAT PIECE OF EQUIPMENT.
FOR FURTHER INFORMATION REGARDING ESD PROTECTION, REFER TO THE SAFETY CHAPTER IN THIS PUBLICATION.

IN ORDER TO MEET EMC REQUIREMENTS, THE CHASSIS MODULES MUST BE PROPERLY INSTALLED AFTER SERVICING. CHECK THAT THE MODULES ARE MOUNTED FIRMLY IN PLACE AND LOCKED DOWN WHERE APPLICABLE.

FOLLOW ALL REQUIRED SAFETY AND PPE PROCEDURES CUSTOMARY FOR YOUR ORGANIZATION WHEN WORKING ON THIS PRODUCT.

Overview

This procedure shall be followed when replacing the Memory DIMM Modules in the NIO64 host computer (Z820).

Shutdown system. Select one of the following methods to Power OFF the Console:
- If Applications are up, click on the [Shut Down] button on desktop display and select Shutdown.
- If Applications are down, open a Terminal Window. Type: halt, then press ENTER.
- When halt command has finished, power Off the console at the front panel switch.
Apply LOTO. See Equipment Service - Lockout-Tagout-PPE procedure.
Remove Front and Top covers from NIO64 console.

Refer to Replacement → Console (RIO) → Console Cover Removal and Installation.
Remove the Z820 computer from the NIO64 console chassis.

Refer to Replacement → Console (NIO64) → HP Host Computer Z820 Replacement

Open the Z820 computer side access panel.
Remove the Expansion Card Support and the Airflow Guide.

Figure 1. Z820 Airflow Guide and Expansion Card Support
Release two clamps both side of memory, and carefully pull the memory out of the slot.

Figure 2. Memory Removal
Install the new Z820 memory, Align the memory keyway with the slot key, and firmly seat the memory in the slot.
Install the Airflow Guide and close the Side Access Panel.

Fully slide the Z820 computer back into the console chassis, until mounting brackets are flush against the console chassis.
Install and torque the four (4) 3mm socket cap screws that mount the Z820 computer in the NIO64 console.

note:
Torque each the for (4) 3mm socket cap mounting screws to:

2.3 N-m 1.7 lb-ft 20.4 lb-in 23.5 Kg-cm
Reconnect all cables removed earlier to the Z820 computer.
Remove LOTO on console.

Install console covers. Refer to Replacement → Console (RIO) → Console Cover Removal and Installation Procedure.
Power ON the console and confirm the Z820 computer does not display POST (Power On Self Test) errors.
Perform the Functional Checks → System Scanning Test instructions from the procedure list.