Sun Microsystems Sun Ultra 60 User manual

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Operating and Service Positions
Operating Position
The Sun Ultra 60 system must be operated in a vertical position.
Service Position
Place the system in the horizontal service position on a hard
surface to perform service on the system.
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Opening the System Unit
1. Press the Standby ( ) side of the power switch.
2. Remove the lock block from the system.
3. Grasp the side panel and pull it toward the back of the system.
Lift up and remove the panel.
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Installing DIMMs
Note - Use only dual in-line memory modules (DIMMs) that are
specifically designed for your Sun Ultra 60 system. See ( 11).
1. Power off your system and open the system unit ( 2).
2. Locate the wrist strap, and attach its adhesive copper strip to
the chassis back panel. Wrap the other end twice around your
wrist, with the adhesive side against your skin.
3. Use a Phillips screwdriver to loosen the four screws that hold
the power supply to the chassis. Disconnect the power harness
plug from the connection at the motherboard. Slide the power
supply partially out until it is not blocking the DIMMs.
4. Locate and select an available bank of DIMM slots on the
motherboard. See ( 12).
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Installing DIMMs
5. Unpack the DIMM, holding it only by the edges.
6. For each DIMM, align the notch on the side of the DIMM with
the ejector on the DIMM slot. Insert the DIMM into the slot.
7. Push the DIMM firmly into its connector until you hear a “click.”
8. Slide the power supply back into the chassis. Reconnect the
power harness plug to the connection at the motherboard. Use
a Phillips screwdriver to tighten the four screws that attach the
power supply to the chassis.
9. Detach the wrist strap and close the system unit ( 10).
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Changing the RS-423/232 Jumpers
Note — If you are connecting your system to a public X.25 network,
you may need to change the serial port mode jumpers from RS-423
to RS-232 mode.
1. Power off the system and open the system unit ( 2).
2. Locate the wrist strap, and attach its adhesive copper strip to
the chassis back panel. Wrap the other end twice around your
wrist, with the adhesive side against your skin.
3. Use a Phillips screwdriver to loosen the four screws that hold
the power supply to the chassis. Slide the power supply partially
out such that it is not blocking the jumpers.
Note — The power cord must remain plugged into the power
source.
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