Upgrades NTR ROM Upgrade - 2
Rev. 4.0 ROMs, you must
remove the ROMs and
install them on the
replacement board.
Replacement NTR boards do
not have Rev. 4.0 ROMs.
Caution:
Old ROMs must be
returned to Apple. Refer to
August 1993 Service
Notices for complete
information on the Personal
LaserWriter NTR ROM
Repair Extension Program.
ROMs
U45 (L2)
U44 (L1)
U43 (L0)
U63 (H2)
U62 (H1)
U61 (H0)
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