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Inside Your Computer 3-9
Table 3-2. System-Board Jumper Settings
Jumper Settings Description
A, pins 1-3; B, pins 1-6; C, pins 1-3 (microprocessor
speed)
The microprocessor’s internal speed is 233 MHz.
A, pins 4-6 (reserved)
Reserved (
do not change
).
C, pins 4-6 (clear CMOS)
System setup settings are retained when the system boots
(default setting).
System setup settings revert to their defaults when the system
boots. (If system settings become so corrupted that the system
does not boot, put the jumper plug on pins 4-5 and boot the
system. Reset the jumper plug on pins 5-6 before restoring the
system setup settings.)
D, pins 1-3 (password)
The password features are enabled (default setting).
The password features are disabled.
• indicates pin 1
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online
System User’s Guide
.
AB
4 6
4 6
1 3
1 3
C
4 6
1 3
A
4 6
1 3
C
4 6
1 3
1 3
4 6
C
1 3
4 6
D
1 3
4 6
D
jumpered
unjumpered