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MEMC(4) Device Drivers Manual (mvme68k) MEMC(4)

memcMVME1[67]x memory controller

memc0 at mc0 offset 0x43000 (MVME162/172)
memc1 at mc0 offset 0x43100 (MVME162/172)
memc0 at pcctwo0 offset 0x43000 (MVME166/167/176/177)
memc1 at pcctwo0 offset 0x43100 (MVME166/167/176/177)

MVME16x and MVME17x boards support up to two memory mezzanine boards. Each board contains its own memory controller, of which two flavours exist:

MEMC040
Memory Controller with parity memory
MCECC
Memory Controller with ECC memory

The memc driver recognizes both.

intro(4), pcctwo(4)

The memc driver does not report corrected ECC memory errors.

May 18, 2013 OpenBSD-5.4