Table of Contents
Advertisement
Maintenance Procedures
ADDRESS
ERROR TYPE
ERROR
MEMORY
LOC
ROW
TYPE
BIT
BOARD
CHIP
COUNT
<MEM>
<LOC>
<ROW>
<TYPE>
<BIT>
<BOARD>
<CHIP>
<CNT>
WHERE:
<MEM>
<LOC>
BANK <N> WITH <N>
=
0,1,2,3. BANKO AND BANK1 REFER TO THE LOWER 128K OF
MEMORY; BANK2 AND BANK3 REFER TO THE UPPER 128K OF MEMORY
L32K, U32K. L32K REFERS TO THE LOWER 32K WORDS OF < MEM>; U32K REFERS TO
THE UPPER 32K WORDS OF <MEM>.
<ROW> = 0-7. <ROW> IS AN INTEGER WHICH CORRESPONDS TO THE ROW DESIGNATION ON
THE BOARD IN WHICH THE FAILING CHIP IS LOCATED.
<TYPE> = CHECK. CHECK BIT ERROR OCCURRED;
<BIT>
A,B,C,D,E. < BIT> REFERS TO THE FAILING CHECK BIT
<BOARD> = SMA. SEMICONDUCTOR MEMORY ARRAY BOARD.
CHECK BIT A ONLY.
FCA. FAULT CORRECTION ARRAY BOARD. CHECK BITS B,C,D,E.
<CHIP>
U<N> WITH <N>
=
CHIP NUMBER
DATA. DATA BIT ERROR OCCURRED:
<BIT>
=
0-15. <BIT> REFERS TO THE FAILING DATA BIT.
<BOARD>
=
SMA. SEMICONDUCTOR MEMORY ARRAY BOARD.
<CHIP>
U<N> WITH <N> = CHIP NUMBER.
LOGGING SYSTEM ERROR. THIS IS AN ERROR WHICH SHOULD NEVER OCCUR UN-
LESS THE ERROR LOGGING HARDWARE ITSELF FAILED. THIS ERROR REPRESENTS
AN ERROR ON THE FAULT LOGGING INTERFACE PCA RATHER THAN A MEMORY
ERROR.
MULTIPLE BIT ERROR.
I/O DRIVER FAULT. CHECK BIT I/O DRIVER FAULT.
READ CLOCK FAILURE.
<CNT>
= AN INTEGER REPRESENTING THE NUMBER OF TIMES THIS ERROR WAS DETECTED
AND LOGGED.
Figure 4-26. Error Printout Format
4-43
Advertisement
Table of Contents
