Sun Microsystems Solaris 7 11/99, Hardware Platform Manual

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64 Solaris 7 11/99 Sun Hardware Platform Guide • November 1999
2. Power off the system unit.
Refer to the installation guide or service manual for your system.
3. Remove the system access cover.
Refer to the installation guide or service manual for your system for this procedure.
4. Use proper grounding procedures such as wearing a wrist strap to avoid
electrostatically damaging system components.
5. Locate the flash PROM J2003 write-protect/enable jumper on the motherboard in
your system:
■
See
FIGURE 4-1
if you have a Sun Ultra 1 system.
■
See
FIGURE 4-2
if you have a Sun Ultra 2 system.
Note –
You may have to remove a plug-in card if the card is covering the flash
PROM jumper. Refer to the service manual for your system to remove the card.
FIGURE 4-1
Sun Ultra 1 Series Write-Protect/Enable Jumper Location on Motherboard
Front panel
J2003 write
protect/enable jumper
Back panel