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Replacements
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Global Operator Console (GOC)
Replacing the host computer - Dell T5820
Removal and installation instructions to replace the host computer when upgrading the system.
Removing the host computer - Dell T5820
Remove the host computer.

Replacements
- System
  - Coolant draining
  - Hoist Service Kit and Lifting Accessories
  - Power, Gradient, and RF (PGR) Cabinet
  - Penetration (PEN) Cabinet
  - Heat Exchange Cabinet
  - Global Operator Console (GOC)
    - Checking the GOC battery replacement
      Check the battery replacement sticker on the GOC.
    - HP 8400 Ethernet Switch Replacement
    - HP 8400 Computer Replacement
    - Dell T5810 Computer Replacement
    - Dell T5810 Lower Level FRU Replacement
    - GOC Audio Assembly Replacement - New GOC
    - GOC Power Distribution Supply Replacement
    - Keyboard, Mouse, and SCIM Replacement or Installation
    - HP 8400 Lower Level FRU Replacement
    - HP Z400 Computer Replacement
    - HP Z400 Ethernet Switch Replacement
    - HP Z400 Lower Level FRU Replacement
    - HP Z420 Computer Replacement
    - HP Z420 Lower Level FRU Replacement
    - Replacing the host computer - Dell T5820
      Removal and installation instructions to replace the host computer when upgrading the system.
      - Electrical Safety
        You must follow all recommended safety procedures when servicing and working near energy sources.
      - Preparing the workstation for a computer replacement
        Prepare the workstation so all data is saved prior to shutting down and replacing the host computer in the GOC.
      - Shutting down the host computer
        Shutting down the host computer shuts down the system safely and turns off the power to the host computer.
      - Removing the host computer - Dell T5820
        Remove the host computer.
      - Installing the host computer - Dell T5820
        Install the host computer.
      - Starting up the host computer
        How to start the host computer.
      - Finalizing computer or drive replacement
        Follow this procedure to finalize a computer or hard drive replacement.
    - Replacing the CMOS battery - Dell T5820
      Removal and installation instructions for replacing the CMOS battery in the host computer.
    - Replacing the DVD drive - Dell T5820
      Removal and installation instructions for replacing the DVD drive in the host computer.
    - Replacing the GOC hard drive - Dell T5820
      Removal and installation instructions for replacing the solid state drive (SSD) in the host computer.
    - ***
      Set up and calibrate the monitor for your system.
    - In-Room Display Fiber Optic Converter Box Replacement
    - LCD Monitor Installation
- Gradient
- RF
- Coils
- Magnet Enclosure
- Patient Table
- Spectroscopy

Discovery MR750 3.0T System Service Methods
5690009-2EN Revision 4
Object ID: 00000018WIA30B24840GYZ
Topic ID: id_2014881 Version: 4.10
Date: Oct 11, 2021 6:34:12 PM

Removing the host computer - Dell T5820

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	30 minutes	-


Tools and test equipment
Item	Quantity	Part number	Manufacturer
Screwdriver	1	-	-
Disk Management Tool	1	-	-
ESD Strap	1	-	-

Procedure

If installed, disconnect the optional UPS.
For added protection, disconnect the twist-n-lock main power cable from the rear of the console.
Remove the two screws that secure the left side panel of the GOC.

Figure 1. GOC left side panel

Note: The side panel has a short ground lead connecting it to the main chassis. When removing the side panel, do not strain this ground lead.
Disconnect the short ground lead that connects the side panel to the GOC main chassis at the center of the lead.

Figure 2. Left side panel ground lead
Remove the left side panel and put it in a safe place.

Make sure all the cables are properly labeled. If not, note their locations for reattachment.

Figure 3. Dell T5820 cable configuration

Table 1. Dell T5820 cable configuration
Item	Run #	Description
1	NA	Line In/Out cable to GOCAA J12/14
2	NA	Site network Ethernet cable
3	NA	Mouse USB cable
4	E3048	Keyboard USB extender cable to keyboard USB cable
5	E3037	ICE USB extender cable
6	NA	USB-RS422 Converter USB cable to USB-RS422 Converter
7	NA	IRDC USB cable to IRDC J1
8	NA	NA
9	NA	NA
10	NA	IRDC mini DP cable to IRDC J2
11	E3046	Host LCD Monitor mini DP cable to Host LCD Monitor
12	E3011	ETH1 (right port) cable to PGR J2
13	NA	Power cable

Remove all the cables connected to the computer.
Remove the strap(s) from the computer.
Remove the host computer from the GOC.
Loosen or remove the brackets if necessary.
When replacing the host computer or hard drives, do a disk wipe on all applicable hard drives. For more information, refer to the latest revision of the Disk Management Tool Service Manual (5500610-1EN) available from the online documentation library.