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PROM Installation Guide PROCEDURE continued: 5. Locate U12, the ACG PROM. Remove and replace the PROM. Be careful to correctly align Pin 1 and properly seat the PROM, see Figure 3. Warning Use an IC inserter to remove and replace the PROM. If one is not available, use a small slotted screwdriver.
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8. Replace the cover on the System Unit. Insert and tighten the 6 phillips screws. Reconnect the cables and turn on the power. The System Unit will automatically detect the new software version. To verify that the upgraded software is operating, press SYS on the Keyboard Controller, the new software version numbers will be displayed.
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