Sun Microsystems Solaris 7 11/99, Hardware Platform Manual

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Chapter 4 Updating the Flash PROM on the Ultra 1, Ultra 2, Ultra 450, and Sun Enterprise 450 Systems 67
FIGURE 4-4
Sun Enterprise 450 and Sun Ultra 450 Keyswitch Location
Before Updating the Flash PROM
Before you begin updating the flash PROM, please note the following.
Caution – Do not interrupt power during flash PROM updating. When you are
using the update routine, do not remove or insert system boards.
Note –
If power is interrupted during flash PROM updating, follow the power
interruption recovery procedures covered later in this chapter.
▼
To Update the Flash PROM
1. If you shut down your system to set the write-enable jumper (Ultra 1, Ultra 2
systems), turn the system on so it can boot.
Diagnostics
Locked
On
Standby
!