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Chapter 7: BIOS Updating Procedures 7-5
BIOS Crisis Recovery
The procedures below provide a way to restore the BIOS resulting
from a non-recoverable condition.
Note: Use this BIOS crisis recovery procedure only for a
NON-RECOVERABLE BIOS failure. A non-recoverable BIOS state
typically results from power loss during a flash BIOS update process.
This is a rare occurrence and should not be confused with other
hardware errors that cause a no video state. This procedure is not
intended to be used for changing or upgrading an operational BIOS.
Required Hardware
Part Number Part Name Use
PC with at serial port Download BIOS
497-0408349 Cable, 9-Pin Female to 9-Pin
Female RS232
PC to terminal
connection
497-0411000 Cable, Parallel Interface 7401 parallel port to
Dongle connection
497-0413418 Parallel Dongle Forces BIOS recovery
497-0414184 POS Connector Board 7401 parallel port
(not required if
already present)
Required Software
Acquire the following software from NCR.
NCR 74xx BIOS and BIOS Update Software
LPIN: A370-0022-0100, Release 3.0 or later