74 Sun Fire V890 Server Owner’s Guide • May 2004
Note – Jumper J3003 is factory-set so that the flash PROM is write-enabled. You use
the keyswitch located on the front panel to write-protect the flash PROM. When the
switch is set to the Locked position, the flash PROM is write-protected. When the
switch is set to the Normal position or to the Diagnostics position, the flash PROM is
write-enabled.
FC-AL Disk Backplane
The locations and functions of the flash PROM jumpers on the Fibre
Channel-Arbitrated Loop (FC-AL) disk backplane are shown below.
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