Dell Dimension XPS R Series, Service Manual

Page: 23 / 94

System Overview 1-15
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Jumper on pins 1-2
(Normal mode) In Normal mode, system setup settings and
installed password(s) are retained when the
system starts up. Normal mode attempts
automatic recovery if BIOS detects any main
blocks corrupted.
Jumper on pins 2-3
(Configuration mode) Starting system with jumper set in Configura-
tion mode automatically starts system setup
program, adds the Maintenance option to left
end of menu bar, and displays the Mainte-
nance screen, which is accessible only in this
mode. The Maintenance screen provides two
categories: Processor Speed and Clear All
Passwords.
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Processor Speed — Options are 350 and
400 MHz. The Processor Speed option is
factory-set to work with the system and
normally should not be changed. How-
ever, going into Configuration mode
resets this category to 350 MHz.
NOTE: Before leaving the Maintenance
screen, reset Processor Speed to match
system’s processor speed.
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Clear All Passwords — Disables a forgot-
ten password so you can access the
system and/or assign new password(s).
For complete password disable proce-
dure, see “Disabling a Forgotten
Password” in Appendix B of the Refer-
ence and Troubleshooting Guide.
•
indicates pin 1 jumpered unjumpered