Write Protection For System Bios - Switch 5; Recovering System Bios - Switch 7; Write Protection For Floppy Disk Drive - Switch 8 - Fujitsu D943 Technical Manual

Settings with switch block S180

Write protection for System BIOS - switch 5

Switch 5 enables and disables system BIOS updating. Before an update of the
system BIOS can be carried out, write protection for the system BIOS must also be
disabled in the
BIOS Setup
). If you wish to update your system BIOS, please consult our customer
Enabled
service.
System BIOS is write protected.
on
System BIOS can be overwritten (default setting).
off
If you change the configuration of your system (for example by installing
!
new add-on boards), you must set switch 5 to
change the configuration data in the system BIOS.

Recovering System BIOS - switch 7

Switch 7 enables recovery of the old system BIOS after an attempt to update has
failed. Write protection for the System BIOS must be disabled in the BIOS setup
and before the System BIOS can be recovered (switch 5 =
BIOS you need a Flash BIOS Diskette (call customer service).
The System BIOS executes from floppy drive A: and restores the
on
System BIOS on the system board.
The System BIOS is started from the system board (default
off
setting).

Write protection for floppy disk drive - switch 8

Switch 8 is used to define whether floppy disks can be written or deleted in the
floppy disk drive. To write and delete floppy disks, the write protection in
must be disabled (in menu
setup
).
Enabled
The floppy disk drive is write-protected.
on
Read, write and delete floppy disks is possible (default setting).
off
50
(in the
Security menu
, the field
Security
, the field must be set to
Flash Write
. Only then you can
off
). To restore the old
off
Diskette Write
A26361-D943-Z120-14-7619
BIOS
must be set to