It might be the old and newer are downlevel?
MULTIPROTOCOL ADAPTER
FRU P/N90X8995 (OPTION #6451003) REPLACES FRU P/N72X8530 (OPTION #6450348).
FRU ( P/N85F0004 ) has replaced P/N90X8995.
So...
Old FRU P/N72X8530 (OPTION #6450348)
Newer FRU P/N90X8995 (OPTION #6451003)
Newest FRU ( P/N85F0004 )
OLD LEVEL MULTIPROTOCOL ADAPTER FRU P/N72X8530 (OPTION #6450348)
STILL SUPPORTED IN 8550-021, 8560-041, 8560-071, 8580-041 AND 8580-071.
OLD LEVEL CARDS MAY DISPLAY ERROR CODE 10062 OR INTERMITTENT ERROR CODES
10029, 10030,
AND 10031 IF INSTALLED IN ANY OF THE REMAINING MACHINE TYPE/MODELS
LISTED ABOVE THIS CAUTION.
THE NEW LEVEL CARD IS DOWNWARD COMPATIBLE (CAN BE USED ON ALL MODELS)
AND WILL BE SUBSTITUTED IF AN OLD LEVEL CARD IS ORDERED.
HOW TO IDENTIFY THE TWO ADAPTER CARDS:
Old RAW CARD ASSEMBLY P/N6278226 OR P/N72X6821 ARE USED ON DOWN LEVEL
ADAPTER.
New / Newest
RAW CARD ASSEMBLY P/N90X8459 IS USED ON THE NEW ADAPTER.
(RAW CARD PART NUMBER IS LOCATED NEAR THE CARD RETAINER).
Down level
Downlevel -
No ZM1
Newest - ZM1
(ZM1 IS LOCATED ON THE UPPER RIGHT HAND CORNER OF THE ADAPTER)
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