TABLE 5–3
Jumper
Shunt on
Pins 1 + 2 Selects
Shunt on
Pins 2 + 3 Selects
Default
Shunt
on Pins
J2604
EIA-232D
EIA-423
2 + 3
J2605
EIA-232D
EIA-423
2 + 3
About Flash PROM Jumpers
The system uses flash PROMs to permit the reprogramming of specific code blocks
that are held in non-volatile system memory, and to permit remote reprogramming
of that code by an authorized system administrator over a local area network.
Three jumpers on the main logic board affect flash PROM operation. The figure
below shows the jumper locations, and the table describes their function.
Hardware Configuration
93
Summary of Contents for Enterprise 250
Page 2: ...USA 650 960 1300 fax 650 969 9131 ...
Page 3: ...Sun Enterprise 250 Server Owner s Guide Part No 805 3389 11 Revision A June 1998 ...
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Page 45: ...CHAPTER 2 Photographic Tour of System System View 11 ...
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Page 69: ...Power Distribution Board Photographic Tour of System 35 ...
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