Technical data

Parts Replacement
5-33
DIGITAL PC 3500/5510
Main Logic Board Switch Settings
NOTE:
Some switch settings are marked OPEN and CLOSED
rather than ON and OFF (OPEN = OFF and CLOSED = ON).
Feature Function Setting Description
Clear password Clear
Normal
(1)
SW1-1, ON
SW1-1, OFF
(1)
If you forget your password, via BIOS Setup, set
this switch to ON and then restart the computer.
Recovery mode Recovery
Normal
(1)
SW1-2, ON
SW1-2, OFF
(1)
If your flash BIOS upgrade failed and the BIOS
is corrupted, set this switch to ON so you can
boot your computer from a Crisis Recovery
diskette. Refer to the README.TXT provided
with the flash BIOS upgrade.
Clear CMOS Clear
Normal
(1)
SW1-3, ON
SW1-3, OFF
(1)
Clears CMOS of all BIOS setup information.
Use the Clear setting when your computer will
not boot, and BIOS setup cannot be accessed
due to configuration data corruption. This
switch must be set back to Normal before
rebooting your computer.
Factory setting Reserved SW1-4, ON
SW1-4, OFF
(1)
Reserved for future use.
FLASH ROM
write
Enable
Disable
(1)
SW1-5, ON
SW1-5, OFF
(1)
When disabled, prevents reprogramming of
BIOS.
Manufacturing
switch
For mfg.
Normal
SW1-6, ON
SW1-6, OFF
(1)
For use in manufacturing tests. Switch must be
set to OFF for PC normal functionality.
(1)
Factory default setting
OFF = Up; ON = down