3Com 11.3 Projection Television User Manual


 
Using the Backup Flash Card 11
2 Format the blank flash memory card in drive B by entering:
FORMAT b:
Type Y for yes when the formatting confirmation message is displayed.
3 Create a directory on the formatted flash memory card by entering:
MakeDir b:\primary
4 Copy the software from the Enterprise OS software flash memory card in drive A
to the formatted flash memory card in drive B by entering:
COpy a:\primary\* b:\primary
5 After you have copied the software, replace the original Enterprise OS software
flash memory card in drive A with the backup copy from drive B.
Keep the original Enterprise OS software flash memory card in a safe place and
protect it from accidental damage. The original is your backup in the rare event
that the Enterprise OS software or the backup flash memory card becomes
corrupted. See ”Using the Backup Flash Card” on page 11 for instructions on
installing the backup flash memory card.
6 The Enterprise OS software boot files for a DPE module are factory shipped with
a:/primary/boot.29k as the default primary boot source. If you have installed the
Enterprise OS software on drive A, and you want to keep the same boot file as the
boot source, reboot your NETBuilder II bridge/router by entering:
ReBoot
7 If you want to configure your primary boot source to a drive and file other than
the default, see Chapter 3 for instructions on configuring the boot source for the
NETBuilder II bridge/router.
Using the Backup
Flash Card
If the Enterprise OS software has been corrupted and you need to reboot, use
your original Enterprise OS software flash memory card to reset your system by
following these steps:
1 Remove the corrupted flash memory card from the DPE module.
2 Insert the original Enterprise OS software flash memory card into drive A on the
DPE module.
PACKET
FORWARD
POWER/
FAULT
RESET ATTENTION
432
ATUS
A
B
Copy contents of drive A to the directory
you created on drive B
PACKET
FORWARD
POWER/
FAULT
RESET ATTENTION
432
ATUS
A
B
Replace original card in drive A
with new copy from drive B.
Keep the original card as a backup.