Jumpers: dell, Optiplex, G1 systems – Dell OptiPlex G1 User Manual
Page 20

Jumpers: Dell
™
OptiPlex
™
G1 Systems
= jumpered
= unjumpered
1
One set of the speed jumper pins must have a jumper plug installed; otherwise, the system defaults to 350 MHz.
2
As of April 19, 1999, the processor speed jumper was set at 266 MHz on Dell OptiPlex system boards shipped from the factory.
RSVD1
(default)
Reserved. Do not change.
450MHz
1
Jumpered when the microprocessor's internal speed is 450 MHz.
400MHz
1
Jumpered when the microprocessor's internal speed is 400 MHz.
350MHz
1
Jumpered when the microprocessor's internal speed is 350 MHz.
333MHz
1
Jumpered when the microprocessor's internal speed is 333 MHz.
300MHz
(default)
Reserved. Do not change.
266MHz
2
(default)
Jumpered when the microprocessor's internal speed is 266 MHz.
BUS66M
(default)
External system clock speed is 66 MHz when jumpered.
External system clock speed operates at 100 MHz when not jumpered.
BIOS
(default)
Reserved. Do not change.
PSWD
(default)
The password features are enabled.
The password features are disabled.
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