NCR 7454 - BIOS Crisis Recovery

Chapter 5: BIOS Updating Procedures 5-5
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pro cedure onlyfora
NON‐RECOVERABLE
BIOSfailure.Anon‐recoverableBIOSstate
typicallyresultsfrompo wer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 7454parallelportto
Dongleconnection
497‐0413418 ParallelDongle ForcesBIOSrecovery
497‐0414184 POSConnectorBoard 7454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
P/N:497‐0424310