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3-4
Dell Dimension XPS R xxx Systems Service Manual
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Operating system
not found
Parity check 1
nnnn
Parity check 2
nnnn
Press <F1> to
resume, <F2> to
enter Setup
Press <Del> to
enter Setup
Previous boot
incomplete -
Default
configuration
used
Real-time clock
error
Resource alloca-
tion conflict on
motherboard
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Operating system can-
not be located on drive
A or C.
Parity error detected on
system bus. BIOS
attempts to locate
address and display it
( nnnn ); if BIOS cannot
locate the address, it
displays ???? instead.
Parity error detected on
I/O bus. BIOS attempts
to locate address and
display it ( nnnn ); if BIOS
cannot locate address,
it displays ???? instead.
Message displayed
after any recoverable
error message.
Optional message dis-
played during POST.
After unsuccessful
boot, POST loads
default values and
offers to run system
setup program. (POST
does not input default
values to system setup
program.)
Real-time clock failed
BIOS test.
System cannot config-
ure all system board
devices without a
resource conflict.
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In system setup pro-
gram, confirm that
drive A or C is properly
identified.
Enter system setup
program and restore
original value(s).
Enter system setup
program and restore
original value(s).
Press <F1> to start
boot routine or <F2>
to enter system setup
program and change
any settings.
Press <Del> to enter
system setup program.
Run system setup
program and restore
original value(s). If
message reappears,
set system configura-
tion jumper to
Maintenance mode;
boot system to clear all
system setup value(s)
to their defaults.
Enter system setup
program and restore
original value(s).
Run system setup pro-
gram and resolve any
obvious resource con-
flicts; set system
configuration jumper
to Maintenance mode
and start up system to
return all system setup
settings to defaults.
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