HP 98568A Installation Instruction page 37

Hp 9000 series 300 computers

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HP 98577 A VMEbus Expander

Check the Serial Number

If you have a Model 350 computer, skip to the next step. If you

have a Model 330 conlputer, you may need a new processor

board. To determine this, follow the instructions in this step.

Find the Serial Number, located on the sheet Inetal base just inside the

power supply access door of the computer. If the first four digits read 2740

or higher, the board will operate correctly with the VMEbus Expander. If

they are 2739 or lower, you will need a new processor board. Contact your

Sales and Service Office for a free replacement. Refer them to Service Note

4. Check that the Voltage Select Switch is in the correct position for the

power supplied in your area. If you do not know what it should be, make

sure that it is set the same as your computer.

Voltage Select Switch

5. Slide the computer top cover toward the rear of the computer. Then spring

the sides out and up, and lift it off.

Adding Expanders

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