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Where:
Testing and Troubleshooting
3-15
NNNNNNNN
=
number of bytes (in decimal) that are available.
<list>
=
A list of Memory Controller numbers which had failures. Up to 10 MC
numbers are printed in 10 two character fields, with no intervening spaces. For
example: "MCs: 1 210" indicates that Memory Controllers 1, 2, and 10 have failed
the memory test. Memory boards (and memory controllers) are numbered from 1,
starting at the bottom of the RAM.
This number represents all usable RAM in the system including memory used to hold code seg-
ments.
S elf t est err
0
r 5: Fe
IAI
e r fin s t rat e s
I",
ere f
0
un d t han e)(
p
e c ted
I
-
This message is displayed
when the number of boards recorded in the Non-Volatile Memory (NVM) is greater than the actual
number of boards in the stack. If the number of boards in the stack is greater than the number
stored in the NVM, the number in the NVM is updated to reflect the larger stack size.
Fatal Error Messages
SYsteM halted due to double bit MeMOry error on MC
#
NN CCCCCCCC
Where:
NN
=
MC #
CCCCCCCC
=
Last healer content for that MC (in hexadecimal).
This message is displayed when a double bit error has been detected by the memory controller
hardware. The MC# is in terms of memory controller boards (counting up from the bottom of the
stack). This information is also recorded in the NVM.
If more than one MC with a double bit error is found, only the last error is displayed. If no double bit
errors are found, "No DBE found" replaces NN XXXXXXXXX. DBE information is stored in the
NVM.
SYSTEM_HALTED: Insufficient fTlefTlOr}' to start s}'stefTl-
This message is displayed when there
is insufficient memory for the operating system and user subsystem. Check the stack self-test lights
to see if any stack components have failed self-test. Also, check the memory configuration of the
computer to see if it is large enough to accomodate the system and options which are being loaded.
SYSTEM HALTED: IncofTlPatible lOPs -
This message indicates that an illegal combination of lOP
boards were found at power up. lOPs of Revision 2.1 or earlier are not compatible with lOPs of
Revision 2.2 or later.
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