Digital PRIORIS ZX Server
Service Procedures
MCS Logistics Engineering - Nijmegen
45
Jumpers and Switches
Main Logic Board Jumpers and Switches
The following table lists the main logic board switches/jumpers and factory-default settings.
CAUTION
Do not touch any electronic component unless you are safely grounded. Wear a
grounded wrist strap or touch an exposed metal part of the system box chassis. A static
discharge from your fingers can result in permanent damage to electronic components.
Switch
Description
Setting
Description
S8C1-1
Clear CMOS
Protect CMOS
(1)
SW1, On
SW1, Off
(1)
Keep this switch in the factory default (OFF)
position at all times and only use when
instructed by a Digital service representative.
Unauthorized use can cause the server to
operate incorrectly.
S8C1-2
Clear password
Enable password
(1)
SW2, On
SW2, Off
(1)
If you forget your password, set this switch to
(ON) and then restart the server. Refer to
Chapter 2,
“Server Utilities &
Configuration”
for more information.
S8C1-3
Enable flash
write
(1)
Disable flash
SW3, On
(1)
SW3, Off
The main logic board’s flash upgrade switch
must be set to (disable flash) to prevent
unauthorized personnel from loading a new
server BIOS. Loading a new server BIOS
might allow someone to override other server
security features or introduce a virus into the
server.
(1)
Factory default setting
