Service manual

The callouts in Example 6–2 are explained below.
1
The TYP line shows that memory modules are installed in XMI slots 7
through A as indicated by the M in this row.
2
The STF line shows if memory modules pass self-test, as indicated by
the + in this row. If a module fails self-test, a – is indicated, but the
console still tests all pages within the module. The failing module is
included in the configuration, and the addresses that fail self-test are
not used by the system.
3
The ILV line indicates that two memory array modules are 2-way
interleaved and the other two modules are interleaved by themselves.
That is, memory modules in slots 7 and 8 are two-way interleaved into
one interleave set (indicated by all modules beginning with the letter
A). The module at node A failed its self-test and although used by the
system it is not included in an interleave set.
4
This system contains a total usable memory of 256 Mbytes (four 64-
Mbyte memory modules).
If all <REFERENCE>(xma2) nodes pass self-test, the CPU/memory test is
performed on the <REFERENCE>(xma2) by the CPU. The console executes
a simple read/write test to a small portion of memory. Since there are no
errors from the self-test, the memory bitmap is set with all pages as good.
MS65A Memory 6–17