Related Manuals for Sun Microsystems Netra t1 Series
Summary of Contents for Sun Microsystems Netra t1 Series
- Page 1 Netra t1 4-Stack Memory Upgrade Addendum Sun Microsystems, Inc. 901 San Antonio Road Palo Alto, CA 94303 U.S.A. 650-960-1300 Part No. 806-5606-10 June 2000, Revision A Send comments about this document to: docfeedback@sun.com...
- Page 2 Sun, Sun Microsystems, the Sun logo, AnswerBook2, docs.sun.com, Netra and Solaris are trademarks, registered trademarks, or service marks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc.
- Page 3 Installing Four 256 Mbyte Memory Boards This document tells you how to install a stack of four 256 Mbyte memory boards into the Netra t1 system. If you want to install a single additional 256 Mbyte memory board, follow the instructions in the Netra t1 Systems Memory Upgrade document (part number 806-2129-11).
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Page 4: Materials And Tools Required
Materials and Tools Required Note – The boards you must use for the 4-stack memory installation have the part number 370-4155. Other 256 Mbyte memory boards (those with part numbers 370- 4096 and 595-5097) cannot be included in a 4-stack configuration. The boards you must use are identifiable by a sticky label saying ‘4-stack only’. - Page 5 Wearing an Anti-Static Wrist Strap Caution – The Netra t1 system contains electronic parts that are extremely sensitive to static electricity. Do not touch any metal parts. Wear an anti-static wrist strap connected to an earthing point before you open the system. The anti-static wrist strap must be connected to an...
- Page 6 Installing the Stack of Four Boards 1. If your system is new and you have just removed it from its packaging, go straight to Step 3. If your system is currently in use, then: a. Shut down Solaris from the console. b.
- Page 7 Caution – Before attempting to remove the top cover of the Netra t1 system, make sure that all power cords and all other cables have been disconnected. 5. Remove the system’s top cover (see ). To do this: FIGURE 4 a.
- Page 8 6. Lift out the processor cover located in the rear center of the unit (see FIGURE 5 Make sure you slide the processor cover tabs from under the rear I/O card before lifting the processor cover away from the system. Tabs Lifting out the Processor Cover FIGURE 5...
- Page 9 7. Using a Phillips No.1 screwdriver, remove the screws and washers from the base memory board (see FIGURE 6 If you intend to replace the base memory board, lift out the board that is currently installed. Otherwise, leave the current board seated in the connectors on the motherboard but not screwed in.
- Page 10 8. If you are replacing the currently installed base memory board, align the connectors of the new base board with the memory board sockets on the Netra t1’s motherboard. Press home fully the connectors using your thumbs. The connectors need to be properly seated (see ).
- Page 11 Board C Board B ESD foam Stacking the Third Memory Board on Top of the Second FIGURE 8 10. Insert the four plastic spacers and align them with the mounting holes on memory Boards B and C (see FIGURE 9 Spacers Aligning the Four Plastic Spacers with the Mounting Holes FIGURE 9...
- Page 12 11. Carefully transport the memory boards (Boards B and C) with spacers onto Board A (see FIGURE 10 Follow the procedure described in Step 9 to mount the assembled Boards B and C (with spacers inserted) onto memory Board A. Hold the spacers, if necessary, so that they do not move out of position.
- Page 13 12. Align the connectors of Board D to the sockets of Board C, but do not press down yet to seat Board D (see FIGURE 11 Board D Four Stacked Memory Boards on the Netra t1 Motherboard FIGURE 11 Installing Four 256 Mbyte Memory Boards...
- Page 14 13. Insert each screw into one lock washer and one flat washer, then drop the screws (with the washers) into the aligned mounting holes of the memory boards and the plastic spacers (see FIGURE 12 Lock washer Screw Flat washer Metal hex standoff Dropping the Screws into the Aligned Mounting Holes FIGURE 12...
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