IBM AT 5170 Technical Reference page 237

IBM Peraonal Comput.er MACRO AasembL.... Version 2.00
'-8
TEST2 ---- 06/10/85 POST TESTS AND INITIALIZATION ROUTiNES
06-10-85
753
PAGE
75'
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755
MEMORY ERROR REPORTING
IR/WI MEMORY OR PARITY ERRORS)
75.
757 DESCRIPTION FOR ERRORS 201 (CMP ERROR OR PARITY)
758
OR 202 (ADDRESS LINE 0- I 5 ERROR)
75.
7.0
"AABBCC DDEE 201M
(OR 202)
AA=HIGH BYTE OF 24 BIT ADDRESS
7.'
7.2
BB=MIDDLE BYTE OF 24 BIT ADDRESS
7.3
CC .. LOW BYTE OF 24 BIT ADDRESS
7••
DDcHIGH BYTE OF XOR FAILING BIT PATTERN
7.5 EE=LOW BYTE OF XOR FAILING BIT PATTERN
7 ••
7.7
DESCRIPTION FOR ERROR 202 (ADDRESS LINE 00-151
7.8
A WORD OF FFFF IS WRITTEN AT THE FIRST WORD AND LAST WORD
7••
OF EACH 64K BLOCK WITH ZEROS AT ALL OTHER LOCATiONS OF THE
770 BLOCK. A SCAN OF THE BLOCK I S MADE TO INSURE ADDRESS LINE
771
0-15 ARE FUNCTIONING.
".
772
773
DESCRIPTION FOR ERROR 203 (ADDRESS LINE 16-23)
77'
AT THE LAST PASS OF THE STORAGE TEST, FOR EACH BLOCK OF
"5
64K, THE CURRENT STORAGE SIZE (10) IS WRITTEN AT THE FIRST
WORD OF EACH BLOCK. IT IS USED TO FIND ADDRESSING FAILURES. I
777
"8
-AABBCC oOEE 203 M
".
SAME AS ABOVE EXCEPT FOR DDEE
780
78'
GENERAL OESCRIPTION FOR BLOCK ID (ODEE WILL NOW CONTAINED THE 10)
782
DD .. H I GH BYTE OF BLOCK 10
783
EE=LOW BYTE OF BLOCK 10
7 ••
785
BLOCK 10
ADDRESS RANGE
7 ••
0000 000000
-->
OOFFFF
7.7
0040 010000
-->
0 I FFFF
78.
/I
78.
0200
090000 --> 09FFFF (512->576K) IF 640K BASE
7.0
100000 --> 10FFFF (1024->1088K) IF 512K BASE
7.,
7.2
EXAMPLE (640K BASE MEMORY + 51 2K
110
MEMORY
=
I 152K TOTAL)
7.3
NOTE: THE CORRECT BLOCK 10 FOR THIS FAILURE IS 0280 HEX.
7 ••
DUE TO AN ADDRESS FAILURE THE BLOCK 10+128K OVERLAYED
7.5
THE CORRECT BLOCK 10.
7 ••
7.7
00640K OK <-- LAST OK MEMORY
7 •• 10000 0300 202 <-- ERROR DUE TO ADDRESS FAILURE
7 ••
.00
IF A PARITY LATCH WAS SET THE CORRESPONDING MESSAGE WILL DISPLAY.
I
.0,
802 "PARITY CHECK
I"
(OR 2)
803
.0.
OMA PAGE REGISTERS ARE USED AS TEMPORARY SAVE AREAS FOR SEGMENT
• 05
; OESCR I PTOR VALUES •
80.
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807
808 03SC
SHUT3: ENTRY FROM PROCESSOR SHUTDOWN 3
809 03SC E8 0000 E
CALL
DDS
SET REAL NODE DATA SEGMENT
. , 0
8"
<><> MEMORY FA I LED <><>
812 03eF C6 06 0016 R 01
"OV
tlMF"G ERR FLAG+l,MEM FAIL; CLEAR AND SET MANUFACTURING ERROR FLAG
813 03C4 80 00
"OV
AL.CR - -
CARR I AGE RETURN
814 03C6 E8 0000 E
CALL PRT HEX
815 03C9 80 OA
OOV
AL.LF LINE FEED
816 03ee E8 0000 E
CALL PRT HEX
811 C3eE E4 84
AL,DNA PAGE+3
GET THE HIGH BYTE OF 24 BI T ADDRESS
'N
818 OlOO E8 0000 E
CALL XPC BYTE CONVERT AND PR I NT CODE
819 0303 E4 85
GET THE MIDDLE BYTE OF 24 BIT ADDRESS
820 0305 E8 0000 E
CALL
' N
~~CD~~T~AGE+4
821 0308 E4 ~6
AL,DMA PAGE+5 GET THE LOW BYTE OF 24 BIT ADDRESS
822 030A E8 0000 E
CALL XPC BYTE
'N
823 0300 80 20
"OV AL.'
SPACE TO MESSAGE
824 O:3DF E8 0000 E
CALL PRT HEX
625 03E2 E4 83
AL,15MA PAGE+2 GET HIGH BYTE FAILING BIT PATTERN
'N
826 03E4 E8 0000 E
CALL
XPC BYTE CONVERT AND PRINT CODE
827 03E7 E4 82
'N
AL,DMA PAGE+' GET LOW BYTE FAILING BIT PATTERN
828 03E9 E8 0000 E CALL
XPC_BYTE
CONYERT AND PR I NT CODE
82 •
• 30 ; - - - -- CHECK FOR ADDRESS ERROR
.3'
832 03EC E4 80
'N
AL,MFG PORT GET THE CHECKPO I NT
833 03EE 3e 33 COP AL,33H- IS IT AN ADDRESS FAILURE?
834 03FO BE 0000 E
"OV SI,OFFSET E203 LOAD ADDRESS ERROR 16->23
835 03F3 7-4 OA
JZ ERR2
GO IF
YES
.3.
837 03F5 BE 0000 E
"OV SI,OFFSET E202
LOAD ADDRESS ERROR 00-> 15
838 03F 8 3e 32
COP AL,32H GO I F YES
839 03FA 14 03
JZ
ERR2
8.0
841 03FC BE 0000 E
"OV
S I ,OFFSET E201 SETUP ADDRESS OF ERROR MESSAGE
842 03FF
ERR2:
843 03F"F E8 0000 E CALL
E MSG
PR I NT ERROR MESSAGE
844 0402 E4 88
'N
AL.DMA_PAGE+7 GET THE PORT_B VALUE
,.5
•••
1-----
01 SPLAY "PAR I TY CHECK
,"
ERROR MESSAGES
8.7
848 0404 A8 80
TEST AL,PAR I TY_CHECK CHECK FOR PLANAR ERROR
849 0406 74 08
JZ SK I'P IF
NOT
N"'
-
850
"'
B51 0408 50
PUSH
AX
SAVE STATUS
852 0409 E8 098F R
CALL PADING I NSERT BLANKS
853 040C BE 0000 E
"OV
51 ,OFFSET 01 PLANAR ERROR, ADDRESS "PARITY CHECK
,"
85-4 040F E8 0000 E
CALL P MSG
o
I SPLAY MPARITY CHECK
,"
MESSAGE
855 0412 58 POP
AX
AND RECOVER STATUS
856 0413
NO'
_Mil
857 0413 A8 40
TEST AL,IO_CHECK 110 PARITY CHECK
,
858 0415
14
09
JZ NO' "2
SKIP IF CORRECT ERROR DISPLAYED
8 ••
­
860 0417 E8 098F R
CALL PAD ING I NSERT BLANKS
861 04111 BE 0000 E
OOV S I • OFFSET 02 ADDRESS
OF
"PARITY CHECK 2" MESSAGE
862 0410 E8 0000 E
CALL P _MSG
DISPLAY "PAR ITY CHECK 2"
ERROR
863 0420
N"'
-
"'2:
8 ••
CONTINUE TESTING SYSTEM
....
TEST2 5-65