Set the clock mode jumper shunt at addresses J2701 and J2702 to correspond to the
speed of your UltraSPARC II CPU module(s). Verify that the jumper setting is correct
before starting the system.
Clock Speed
J2701
250 MHz
1 + 2
300 MHz
1 + 2
400 MHz
2 + 3
480 MHz
2 + 3
The table describing the settings for the three flash PROM jumpers is incorrect. The
corrected table appears below.
Shunt on
Jumper
Pins 1 + 2 Selects
J3102
Flash PROM
J3103
Write Protect
J5501
High Half Booting
J2702
2 + 3
2 + 3
2 + 3
1 + 2
Default
Shunt on
Shunt
Pins 2 + 3 Selects
on Pins
Not To Be Used
1 + 2
Write Enable
2 + 3
Normal Booting
2 + 3
Sun Enterprise 450 Server Product Notes en-13
Signal Controlled
FLASH PROM SEL
FLASH PROM PROG
ENABLE
XOR LOGIC SET