Installation manual

Table Of Contents
Data Buffer Board
370-1279
NVRAM Reset Procedure
Load a scratch tape.1.
Run TEST 150 to write a GCR ID to the scratch tape.2.
Run TEST 128 to store the NVRAM contents to the scratch tape.3.
Remove Power.4.
Install the new Data Buffer Board or new EPROMs.5.
Connect a jumper between locations GND and CLRNV.
6.
Apply power. FAIL--0 is displayed when selftest is complete.7.
Remove Power.8.
Remove the jumper.9.
Apply Power.10.
Load the scratch tape.11.
Sun4/I: Removable Media - HP 88780 Front Load Tape Drive
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