All ECA files were provided by Akamaki. The list was compiled by Tomáš Slavotínek using an LLM. Please report any inconsistencies.
ECA
File | Type | ECA
Number | EC
Number | Date | Abstract/Purpose |
|---|
| 5170-014 | 5170 | ECA014 | EC000000 | 86/05/02 | THIS ECA EXPIRES 08/31/92.
A FAULTY COMPONENT ON THE FIXED DISK/DISKETTE DRIVE ADAPTER
CARD (FD/DD), P/N8286125, MAY CAUSE DIFFICULTIES WITH STORING
OR RETRIEVING INFORMATION FROM THE FIXED DISK. |
| 5170-016 | 5170 | ECA016 | EC000000 | 86/05/02 | THIS ECA EXPIRES 08/31/92.
CORRECT A POTENTIAL PROBLEM ON PERSONAL COMPUTER AT (5170) WITH
TWO DISKETTE DRIVES INSTALLED. SEE DETAIL FOR PROBLEM
DEFINITION |
| 5170-020 | 5170 | ECA020 | EC000000A | 86/06/25 | THIS ECA IS "OBSOLETE" |
| 5170-025 | 5170 | ECA025 | EC000000A | 87/02/24 | THIS ECA IS "OBSOLETE" |
| 5170-029 | 5170 | ECA029 | ECA58913 | 87/04/30 | THIS ECA HAS EXPIRED |
| 5170-030 | 5170 | ECA030 | EC000000 | 87/06/01 | THIS ECA WILL EXPIRE 08/31/92.
TO CORRECT THE PROBLEM WHERE THE 1.2MB DISKETTE DRIVE
WILL NOT READ OR WRITE DISKETTES IN 1.2 MB MODE, WHEN THERE ARE
TWO DISKETTE DRIVES INSTALLED IN THE SYSTEM UNIT AND DRIVE "B"
IS A 3.5", 720KB DRIVE. THIS PROBLEM ONLY OCCURS IF THE 1.2MB
DRIVE INSTALLED IN POSITION "A" IS MANUFACTURED BY "ALPS" FOR
IBM. |
| 5170-044 | 5170 | ECA044 | ECA79055 | 90/03/26 | TO ENHANCE THE MICROCODE ON THE LOOP ADAPTER CARD. |
| 5170-051 | 5170 | ECA051 | ECC40168 | 92/02/27 | This EC replaces THE LOOP ADAPTER FOR THE PC-AT (5170)
STORE CONTROLLER. EC expires 6/1/94 |
| 5500-001 | 5500 | — | ECC63965 | 90-08-30 | THIS ECA IS RELEASED FOR JAPAN USE ONLY TO PREVENT POST 162
ERROR CAUSED BY DROPPING OUT HEAD PAD OF R/W HEAD-1 IN
3.5"FDD(P/N 94X1527). |
| 5500-002 | 5500 | — | ECC72350A | 91-08-01 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO PREVENT READ ERROR OF 30MB HDD ASM P/N90X9403. |
| 5500-003 | 5500 | — | ECD18009 | 94-05-05 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY AND REVISED
FROM EC# C72350/FBM# 79F5411 TO PREVENT READ ERROR OF 30MB
HDD P/N90X9403(ST-506).
NEW FBM USES 30MB HDD P/N6128287(ESDI) INSTEAD OF P/N95F4087
(ST-506). |
| 5530-001 | 5530 | — | ECC72347 | 91-09-05 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT READ ERROR OF 20MB HDD ASSEMBLY P/N6128220. |
| 5530-002 | 5530 | — | ECC64642G | 91-09-05 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT GRAPHIC IMAGE DATA BROKEN AT DRAW HIGH SPEED BITBLT
OPRATION.
THIS PROBLEM OCCURS AT GRAPHIC DISPLAY MODE ON ICHITARO(VER.4)
OR HANAKO(VER.2)APPLICATION S/W, AND CAUSES INCORRECT CHARACTER
DISPLAY(EXAMPLE,,EXTRA DOTS/MISSING DOTS). |
| 5530-004 | 5530 | — | ECC72315 | 91-09-05 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT FOLLOWING MEMORY ERROR. |
| 5530-005 | 5530 | — | ECD17703 | 94-05-05 | 1.TO PREVENT SPEAKER NOISE WHEN THE SPECIAL SCREEN DISPLAIED.
(50% GRAY SCREEN ETC...)
2.TO PREVENT HANG UP CONDITION WHEN POWER UP OR AUTO DIM
FUNCTION IS WORKING. |
| 5541-001 | 5541 | — | EC341221E | 89-01-19 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO FIX HUNG CAUSED BY MEMORY PARITY ERROR WHICH OCCURRS
WHEN 5541 MODELS M/P IS OPERATING WITH OS/2. |
| 5541-002 | 5541 | — | EC341966 | 89-01-19 | THIS ECA IS RELEASED FOR JAPAN USE ONLY |
| 5541-003 | 5541 | — | ECC12626 | 89-01-19 | THIS ECA IS RELEASED FOR TAIWAN USE ONLY. |
| 5541-004 | 5541 | — | ECC72347 | 91-06-06 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT READ ERROR OF 20MB HDD ASSEMBLY P/N 6128220. |
| 5541-005 | 5541 | — | ECC72349 | 91-06-20 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT READ ERROR OF 30MB HDD ASM P/N6128216 OR P/N6128283. |
| 5541-006 | 5541 | — | ECC13325 | 91-06-20 | THIS ECA IS RELEASED FOR JAPAN USE ONLY.
TO FIX 10483/10458 ERROR BY 120MB HARD DISK DRIVE FAILURE
AT POWER ON TIME.
1)POST 201, 164 ERROR OR HIGH INTERMITTENT POST 111 ERROR
(EXCEPT IN CASE OF CHANGING SYSTEM CONFIGURATION)
2)ADVANCED DIAGNOSTIC ERROR XX02401XX |
| 5541-007 | 5541 | — | ECC27232 | 91-06-20 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO FIX SYSTEM HUNG CAUSED BY ERRATA OF KEYBOARD MPU DURING
MOUSE OPERATION.
THIS PROBLEM MAYBE OCCUR HIGH INTERMITTENTLY ON SMART/MICRO
CADAM APPLICATION S/W. |
| 5545-001 | 5545 | — | ECC72315 | 91-09-19 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT FOLLOWING MEMORY ERROR. |
| 5551-001 | 5551 | — | EC341783 | 88-12-08 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO FIX POST "162/163" ERROR ON 5551 S/T MODELS |
| 5551-002 | 5551 | — | EC341786 | 88-12-08 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO SOLVE POOR CONTACT PROBLEM ON SPEAKER ASSEMBLY P/N94X0887. |
| 5551-003 | 5551 | — | EC341221E | 89-01-19 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO FIX HUNG CAUSED BY MEMORY PARITY ERROR WHICH OCCURRS
WHEN 5551 MODELS M/P IS OPERATING WITH OS/2. |
| 5551-004 | 5551 | — | EC341542 | 89-01-19 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY. |
| 5551-005 | 5551 | — | EC341966 | 89-02-02 | THIS ECA IS RELEASED FOR JAPAN USE ONLY.
TO SOLVE HDD HIGH FALLOUT WITH DATA ERROR PROBLEM. |
| 5551-006 | 5551 | — | ECC13325 | 89-06-22 | THIS ECA IS RELEASED FOR JAPAN USE ONLY.
TO FIX 10483/10458 ERROR BY 120MB HARD DISK DRIVE FAILURE
AT POWER ON TIME. |
| 5551-007 | 5551 | — | ECC27232 | 90-01-11 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO FIX SYSTEM HUNG CAUSED BY ERRATA OF KEYBOARD MPU DURING
MOUSE OPERATION.
THIS PROBLEM MAYBE OCCUR HIGH INTERMITTENTLY ON SMART/MICRO
CADAM APPLICATION S/W. |
| 5551-008 | 5551 | — | ECC27278 | 91-07-04 | TO PREVENT HUNG-UP PROBLEM WHICH MAY OCCUR WHEN A ADAPTER WHICH
HAS BUS MASTER FUNTION IS INSTALLED AS AN OPTION IN THE SYSTEM
UNIT.
THE SCSI ADAPTER AND NUMERIC PROCESSING ADAPTER HAVE BUS MASTER
FUNCTION. |
| 5551-009 | 5551 | — | ECC27238 | 90-04-19 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT DISKETTE READ ERROR DUE TO DUST, REPLACE 3.5"FDD
BY IT W/SHUTTER.
THIS PROBLEM WILL DEPEND ON CUSTOMER'S OFFICE ENVIRONMENT. |
| 5551-011 | 5551 | — | ECC72350 | 91-06-06 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT READ ERROR OF 30MB HDD ASM P/N 90X9403. |
| 5551-012 | 5551 | — | ECC72349 | 90-11-08 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT READ ERROR OF 30MB HDD P/N6128216 OR P/N6128283. |
| 5551-013 | 5551 | — | ECC64642E | 91-06-06 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT GRAPHIC IMAGE DATA BROKEN AT DRAW HIGH SPEED BITBLT
OPERATION.
THIS PROBLEM OCCURS AT GRAPHIC DISPLAY MODE ON ICHITARO(VER.4)
OR HANAKO(VER.2)APPLICATION S/W, AND CAUSES INCORRECT CHARACTER
DISPLAY(EXAMPLE,,EXTRA DOTS/MISSING DOTS). |
| 5551-014 | 5551 | — | ECC72315 | 91-09-05 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT FOLLOWING MEMORY ERROR. |
| 5551-015 | 5551 | — | ECC99401 | 92-06-25 | To prevent the following problems on PS/55 Model
5551-V0/V1.
-"POST ERROR" at power on time(POST 10482,602)
-"SYSTEM HUNG" or "SYSTEM EXCEPTION" problem at system running.
(exclude S/W bug) |
| 5551-016 | 5551 | — | ECC80655 | 92-06-25 | To prevent memory error problems which may occur when Bus
Master Adapter is installed in the PS/55 Model 5551-S Stage 2.
(Stage 2 machine has a white power switch lever) |
| 5551-017 | 5551 | — | ECC80656 | 93-06-17 | To prevent memory error problems which occur when Bus Master
Adapter is installed in the PS/55 Model 5551-T Stage 2.
(Stage 2 machine has a white power switch lever) |
| 5551-018 | 5551 | — | ECD17637 | 92-10-29 | This ECA provides replacement EPROMs for affected Token Ring
Network 16/4 Adapter/A , to prevent the following symptoms when
using application of"NetWare3.1""LAN Server2.0"or"Communication
Manager(ES J1.0)(OS/2 Ver2.0 Extended Service)" |
| 5551-019 | 5551 | — | ECD18009 | 93-06-17 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY AND REVISED
FROM EC# C72350/FBM# 79F5411 TO PREVENT READ ERROR OF 30MB
HDD P/N90X9403(ST-506).
NEW FBM USES 30MB HDD P/N6128287(ESDI) INSTEAD OF P/N95F4087
(ST-506). |
| 5551-020 | 5551 | — | ECD18014 | 93-06-17 | To prevent memory error problems which may occur when Bus
Master Adapter is installed in the PS/55 Model 5551-S Stage 2,
and this Field EC was revised from EC# C80655 FBM# 79F5493.
(Stage 2 machine has a white power switch lever) |
| 5551-021 | 5551 | — | ECD18015 | 93-06-17 | To prevent memory error problems which may occur when Bus
Master Adapter is installed in the PS/55 Model 5551-T Stage 2
and this field EC was revised from EC# C80656 FBM# 79F5494. |
| 5551-022 | 5551 | — | ECD22610 | 93-06-17 | To solve hung-up problems which may occur when Bus Master
Adapter is installed in the PS/55 Model 5551-S Stage 1,and
this field EC was revised from EC# C27278 FBM# 64F8690. |
| 5551-023 | 5551 | — | ECD22611 | 93-06-17 | To solve hung-up problems which may occur when the Bus Master
Adapter is installed in the PS/55 Model 5551-Tx9 Stage 1,and
this field EC was revised from EC# C27278 FBM# 64F8691. |
| 5551-024 | 5551 | — | ECD22612 | 93-06-17 | To solve hung-up problems which may occur when the Bus Master
Adapter is installed in the PS/55 Model 5551-T Stage 1 ,and
this field EC was revised from EC# C27278 FBM# 64F8962. |
| 5555-001 | 5555 | — | ECA27705 | 89-01-19 | TO FIX THE FOLLOWING PROBLEM.
-COLOR BALANCE FAILURE.
-THE CRT SCREEN IMAGE IS DISCOLORED BY POWER LINE NOISE.
-THIN VERTICAL LINE PROBLEM. |
| 5555-002 | 5555 | — | ECA27336 | 89-01-19 | TO PREVENT MORNING SICKNESS PROBLEM WITH LOW TEMPERATURE.
5555-B06 MAY NOT DISPLAY ANYTHING AT POWER ON TIME WITH LOW
TEMPERATURE,BUT AFTER A WHILE ,SCREEN WILL APPEAR.
IF YOU HAVE THIS PROBLEM, APPLY THIS EC. |
| 5555-003 | 5555 | — | ECC12834 | 89-01-19 | THIS ECA IS RELEASED FOR TAIWAN USE ONLY.
TO FIX THE FOLLOWING PROBLEMS;
COLOR BALANCE FAILURE
THE CRT SCREEN IMAGE IS DISCOLORED BY POWER LINE NOISE
THIN VERTICAL LINE PROBLEM |
| 5555-004 | 5555 | — | ECA27705A | 89-08-24 | TO FIX THE FOLLOWING PROBLEM.
DISPLAY SCREEN IMAGE BECOMES REDDISH OR BLUISH COLOR,BECAUSE OF
MISSING ANY ONE SIGNAL OF THE THREE PRIMARY COLORS (RED/BLUE/
GREEN). |
| 5561-001 | 5561 | — | EC341221E | 89-01-19 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO FIX HUNG CAUSED BY MEMORY PARITY ERROR WHICH OCCURRS
WHEN 5561 MODELS M/P IS OPERATING WITH OS/2. |
| 5571-001 | 5571 | — | EC341786 | 88-12-08 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO SOLVE POOR CONTACT PROBLEM ON SPEAKER ASSEMBLY P/N94X0887 |
| 5571-002 | 5571 | — | ECA27685 | 89-01-19 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
TO SOLVE SYSTEM PERFORMANCE DOWN PROBLEM ON 5571 SOA
WITH MICRO CADAM. |
| 5571-003 | 5571 | — | ECC13008 | 89-06-22 | THIS ECA IS RELEASED FOR JAPAN USE ONLY.
CHANGING DISPLAY ADAPTER CARD THAT ENABLE USING OF FOLLOWING
SOFTWARE:
OS/2 STANDARD EDITION J1.1 OR HIGHER
OS/2 EXPAND EDITION J1.1 OR HIGHER
IBM DOS J4.0 OR HIGHER. |
| 5571-004 | 5571 | — | ECC27233 | 89-11-02 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT POST HUNG UP BY NOISE OF POWER SUPPLY ASM AT POWER
ON TIME. |
| 5571-005 | 5571 | — | ECC27234 | 89-12-14 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT SYSTEM HUNG UP WHEN DISPLAY ADAPTER EC(EC#13008 FBM#
38F7112)IS INSTALLED ON 5571-S0A WITH ASYNC TTL ADAPTER CARD. |
| 5571-006 | 5571 | — | ECC27232 | 90-01-11 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO FIX SYSTEM HUNG UP CAUSED BY ERRATA OF KEYBOARD MPU DURING
MOUSE OPERATION.
THIS PROBLEM MAYBE OCCUR HIGH INTERMITTENTLY ON SMART/MICRO
CADAM APPLICATION S/W. |
| 5571-007 | 5571 | — | ECC63965 | 90-08-30 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT POST 162 ERROR CAUSED BY DROPPING OUT HEAD PAD OF
R/W HEAD-1 IN 3.5"FDD(P/N 94X1527). |
| 5571-008 | 5571 | — | ECC64642E | 91-06-06 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT GRAPHIC IMAGE DATA BROKEN AT DRAW HIGH SPEED BITBLT
OPERATION.
THIS PROBLEM OCCURS AT GRAPHIC DISPLAY MODE ON ICHITARO(VER.4)
OR HANAKO(VER.2)APPLICATION S/W, AND CAUSES INCORRECT CHARACTER
DISPLAY(EXAMPLE,,EXTRA DOTS/MISSING DOTS). |
| 5571-009 | 5571 | — | EC341349 | 91-06-06 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT GRAPHIC IMAGE DATA BROKEN AT DRAW HIGH SPEED BITBLT
OPERATION.
THIS PROBLEM OCCURS AT GRAPHIC DISPLAY MODE ON ICHITARO(VER.4)
OR HANAKO(VER.2)APPLICATION S/W, AND CAUSES INCORRECT CHARACTER
DISPLAY(EXAMPLE,,EXTRA DOTS/MISSING DOTS). |
| 5571-011 | 5571 | — | ECC80684 | 91-09-05 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO IMPROVE JOYSTICK QUALITY OF 5571-LDT KEYBOARD AS FOLLOWING. |
| 5571-012 | 5571 | — | ECD17925 | 93-01-28 | To prevent read error of 320MB HDD SCSI HDD on the PS/55
Model 5571-V1C.
This EC improves HDD reliavility against noise of power line. |
| 5575-001 | 5575 | — | EC341349 | 87-07-16 | THIS ECA IS RELEASED FOR JAPAN USE ONLY.
TO PREVENT CARRIER STOP PROBLEM ON A CERTAIN PRINT PATTERN
SUCH AS RULE LINE PRINT OR ON A CERTAIN PRINT CARRIER MOVEMENT
FROM LEFT MOST TO RIGHT MOST REPEATEDLY. |
| 5575-002 | 5575 | — | EC341354 | 89-05-23 | THIS ECA IS RELEASED FOR JAPAN USE ONLY
TO PREVENT PRINT HEAD DAMAGE. |
| 5575-003 | 5575 | — | EC341354B | 89-05-23 | THIS ECA IS RELEASED FOR JAPAN USE ONLY.
FOR ALL MODEL:
TO PROVIDE THE FOLLOWING NEW FUNCTIONS BY SETTING DIP SWITCHS.
TEST PRINT - ONLY THE FIRST CHARACTOR IS PRINTED AT TEST PRINT.
NORMAL PRINT - SELECTABLE CARRIER MOTION AS FOLLOWS
PREVENT LEFT-RIGHT SHAKING MACHINE MOVEMENT
BY QUIET PRINT MODE OR
QUIET PRINT MODE OFF.
FOR B01 MODEL THE FOLLOWING PURPOSE IS ALSO INCLUDED.
TO PREVENT CARRIER STOP PROBLEM ON A CERTAIN PRINT PATTERN SUCH
AS VERTICAL RULE LINE PRINT, OR ON A CERTAIN CARRIER MOVEMENT
FROM THE LEFT MOST TO THE RIGHT MOST REPEATEDLY. |
| 5575-004 | 5575 | — | EC341354A | 89-05-23 | THIS ECA IS RELEASED FOR JAPAN USE ONLY.
REPLACE PULLY THAT WOULD BE CRACKED AT BINDING AREA WITH SHAFT. |
| 5575-005 | 5575 | — | EC341444 | 89-05-23 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
REPLACE PULLEY THAT WOULD BE CRACKED AT BINDING AREA WITH SHAFT. |
| 5575-006 | 5575 | — | EC341450 | 89-05-23 | THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY
MICROCODE CHANGE (VERSION 3.02K) |