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Xenix - Unix I.P.B. 3105 25th July 1991 (PW)
Department Category Implementation
Unix Hardware Mandatory
Firmware
Previous IPB Next IPB

HyperRam Cards

A problem has been found with early HyperRAM cards to which the manufacturer has produced a solution. Newer cards should already have the fix implemented, however, if in doubt it should be checked against the information below.

Examining the HyperRAM board the appropriate chips are in U1 and U2.

Incorrect Correct
U1 M6-CS-B M6-CS-C
M6-CS-D or later
U2 M6-RS-D M6-RS-E
M6-RS-F or later

The correct PALs can be ordered through Network Si Group at Oldbury, quoting part numbers 13175131 and 13175231.

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Computing for a Connected World