Sun Microsystems Solaris 7 11/99, Hardware Platform Manual

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78 Solaris 7 11/99 Sun Hardware Platform Guide • November 1999
FIGURE 4-7
Flash PROM Jumpers on the Sun Enterprise 450 System and the Sun Ultra 450
Workstation
Make sure that the write-protect/write-enable jumper is set to the write-enable
position, pins 2 and 3 jumpered (see
FIGURE 4-8
). Pin 1 is noted by an asterisk (*).
TABLE 4-6
Sun Enterprose 450 and Ultra 450 Flash PROM Jumper Settings
Jumper Pins 1 + 2 Jumpered Pins 2 + 3 Jumpered
Default on
Pins
Signal Controlled
J3102 Flash PROM Not to be used 1 + 2 FLASH PROM SEL
J3103 Write-protect Write-enable 2 + 3 FLASH PROM PROG
ENABLE
J5501 High-half booting Low-half booting 2 + 3 XOR LOGIC SET
J3304
J3103
J3102
J2701
J5501
J3303
Flash PROM
jumpers