Dell OptiPlex GX1p Manual de usuario Pagina 32

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1-20 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual
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350MHZ
*
Microprocessor
speed
Install jumper if the microprocessors
internal speed is 350 MHz; otherwise, the
jumper should not be installed.
333MHZ
*
Microprocessor
speed
Install jumper if the microprocessors
internal speed is 333 MHz; otherwise, the
jumper should not be installed.
300MHZ
*
Microprocessor
speed
Reserved. Jumper not installed (default).
266MHZ
*
Microprocessor
speed
Install jumper if the microprocessors
internal speed is 266 MHz; otherwise, the
jumper should not be installed.
BUS66M External system
clock
Install jumper to set the external system
clock speed at 66 MHz; otherwise, the
external system clock speed operates at
100 MHz (default).
BIOS Reserved Jumper not installed (default).
PSWD Password
enable or disable
Install to enable the password feature
(default).
IRQ0 Generated by system timer.
IRQ1 Generated by keyboard controller.
IRQ2 Generated internally by interrupt controller to enable IRQ8
through IRQ15.
IRQ3 Generated by super I/O controller to indicate that the device con-
nected to the serial port (COM2 or COM4) requires service.
IRQ4 Generated by super I/O controller to indicate that the device con-
nected to the serial port (COM1 or COM3) requires service.
IRQ5 Available for use by an expansion card.
IRQ6 Generated by super I/O controller to indicate that diskette or tape
drive requires service.
IRQ7 Generated by super I/O controller to indicate that device con-
nected to parallel port requires service.
IRQ8 Generated by RTC alarm event.
* One set of speed jumpers must have a jumper plug installed; otherwise, the system
defaults to 350 MHz.
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