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PT880DMS from our web site to your boot disc.
STEP 4.
Insert your boot disc into A:,
start the computer, type “Awdflash A:\ PM800Axxx.BIN /SN/PY/CC/R”
PM800Axxx.BIN is the file name of latest BIOS it can be PM800A3.BIN or
PM800B2.BIN
SN
means don’t save existing BIOS data
PY
means renew existing BIOS data
CC
means clear existing CMOS data
R means restart computer
STEP 5.
Push ENTER and the BIOS will be updated, computer will be restarted automatically.