Digital Equipment AlphaServer 1200, Руководство по обслуживанию

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Removal and Replacement 6-13
Removal
1. Shut down the operating system and power down the system.
2. Expose the card cage side of the system. See Section 6.3.
3. There are two riser cards, one High and one Low. After you have determined
which should be removed unscrew the two retaining screws that secures the riser
card to the card cage
4. Lift the riser card from the card cage.
Replacement
Reverse the steps in the Removal procedure.
NOTE: Memory DIMMs are installed in pairs and it is important that the pairs are
the same size. When you replace a bad DIMM, be sure to replace it with the same
size DIMM as the one you removed.
Verification — DIGITAL UNIX and OpenVMS Systems
1. Bring the system up to the SRM console by pressing the Halt button, if
necessary.
2. Issue the show memory command to display the status of the new memory.
3. Verify the functioning of the new memory by issuing the command test memn,
where n is 0, 1, 2, 3, or *.
Verification — Windows NT Systems
1. Start AlphaBIOS Setup, select Display System Configuration, and press
Enter.
2. Using the arrow keys, select Memory Configuration to display the status of the
new memory.
3. Switch to the SRM console (press the Halt button in so that the LED on the
button lights and reset the system). Verify the functioning of the new memory
by issuing the command test memn, where n is 0, 1, 2, 3, or *.