Supplement to the RS/6000 7043 43P Series (SA38-0511
and SA38-0512)
Service Guide and User’s Guide
SN32-9080-01
IBM
Second Edition (December 2000)
Before using this information and the product it supports, read the information in “Appendix. Notices” on page 15.
©International Business Machines Corporation 2000. All rights reserved.
Note to U.S. Government Users - Documentation related to restricted rights - Use, duplication, or disclosure is subject
to the restrictions set forth in the GSA ADP Schedule Contract with IBM Corp..
Contents
About This Book .......................v
ISO 9000 ..........................v
Online Publications .......................v
Related Publications ......................v
Trademarks .........................v
Chapter 1. 7043–140 and 7043–150 Fansink Removal and Replacement
Procedures ........................1
Identifying the Fansink Number...................1
Determining the Fansink Assembly Number to be Replaced .........1
7043–140 and 7043–150 Fansink Removal and Replacement Procedures ....2
Removing and Replacing the 7043–140 System Board Fansink .......2
Removing and Replacing the 7043–150 System Board Fansink .......4
Chapter 2. 7043–150 System Features................7
System Features .......................7
Bus Architecture.......................7
Microprocessor .......................7
Memory.........................7
Diskette Drive .......................7
Drives ..........................7
Power Supply .......................7
Keyboard and Mouse .....................8
Front-Panel Display......................8
Input/Output Ports ......................8
Security Features ......................8
Setting the SCSI Security Jumpers .................9
System Board Locations for Model 150................10
System Board, Cables, and Accessories ...............12
Appendix. Notices ......................15
Reader’s Comments — We’d Like to Hear From You ..........17
iii
iv Supplement to the Service Guide and User’s Guide
About This Book
This supplement provides updates to the following publications:
v
RS/6000 7043 43P Series User’s Guide
, SA38-0511
v
RS/6000 7043 43P Series Service Guide
, SA38-0512
ISO 9000
ISO 9000 registered quality systems were used in the development and manufacturing
of this product.
Online Publications
RS/6000 and pSeries 680 publications are available online. To access the online books,
visit our Web site at: http://www.rs6000.ibm.com/resource/hardware_docs/
Related Publications
The following publications are available:
v The system unit’s users guide contains information about using the service processor
to help understand processor controls.
v The system unit’s service guide contains information for service representatives when
they install the fansink feature hardware.
Trademarks
The following terms are trademarks of International Business Machines Corporation in
the United States, and other countries, or both:
v AIX
v IBM
Other company, product, and service names may be trademarks or service marks of
others.
v
vi Supplement to the Service Guide and User’s Guide
Chapter 1. 7043–140 and 7043–150 Fansink Removal and
Replacement Procedures
This chapter provides information on replacing defective 7043–140 and 7043–150
fansinks without having to replace the entire system board.
Identifying the Fansink Number
The following table contains information to help you determine the correct fansink to be
replaced on both the 7043–140 and 7043–150 system boards. Obtain the correct fan(s)
before going on-site to replace the fansink assembly. The fan that is not used should be
returned to the parts depot. The defective fan should be disposed of locally.
Table 1. Fansink Assembly Numbers.
System Board Fansink Assembly Numbers
7043–140 09P1125 or 09P1126
7043–150 09P1126 or 09P1129
Determining the Fansink Assembly Number to be Replaced
The following table lists the correct fansink numbers for each system board assembly
part number.
Table 2. Fansink numbers by System Board Assembly and FRU Numbers.
Machine Type FRU Part Numbers System Board
Assembly Part
Numbers
Fansink Number
7043–140 166 MHZ 11K4571, 73H4571,
93H7142
00P1606, 03N2407,
03N3976 11K0385,
93H4496, 93H4605
93H5700, 93H5688,
93H7139 93H9952
09P1125
7043–140 200MHZ 11K0382, 93H2573,
93H7143
00P1607, 03N2408,
03N3977 11K0386,
93H4497, 93H4606
93H5689, 93H6025,
93H7140 93H9953,
93H9954
09P1125
7043–140 233MHZ 93H6023 08L0281, 93H6024,
93H9955
09P1125
7043–140 233MHZ 11K0383 00P1608, 03N3978,
11K0387 41L5248,
41L6095
09P1126
7043–140 332MHZ 11K0384, 93H9334 00P1609, 03N3979,
11K0388 41L6099,
93H9337, 93H9956
09P1126
1
Table 2. Fansink numbers by System Board Assembly and FRU
Numbers (continued).
Machine Type FRU Part Numbers System Board
Assembly Part
Numbers
Fansink Number
7043–150 375MHZ
New Version System
Board
08L8446, 11K0157,
11K0459 41L5177,
41L5912, 41L5518
41L5590
03N2526, 08L1363,
11K0148 11K0464,
41L5172, 41L5517
41L5588, 41L5911
09P1126
7043–150 375MHZ
New Version System
Board
11K0459, 41L5912 11K0017, 11K0650 09P1129
7043–140 and 7043–150 Fansink Removal and Replacement Procedures
This section contains instructions for removing and replacing defective fansinks on both
the 7043–140 and 7043–150 system boards.
Removing and Replacing the 7043–140 System Board Fansink
Removal
1. Inform the customer that the system must be powered off for approximately one
hour for the fan to be replaced.
2. To power off the system, refer to the ″Removal and Replacement Procedures″
chapter in the
RS/6000 7043–43P Series Service Guide
. Power off the system as
described in ″Cover Removal″ and continue to unlock and remove the cover.
3. Determine the system board assembly part number by noting the white barcode
label attached to the card.
Locate the assembly part number in the leftmost alphanumeric block of characters,
following the first three characters, which are always 11S. In the following example,
the assembly part number is 41L5812.
The FRU part number is in the center alphanumeric block of characters, following
the first three characters which are always FRU. In the following example, the FRU
part number is 41L5912.
11S 2YL1109140246 FRU 90541L581 41L5912
After you have identified both the system board assembly part number and the FRU
part number, see the table in “Determining the Fansink Assembly Number to be
Replaced” on page 1 to determine the appropriate fan to be replaced.
2 Supplement to the Service Guide and User’s Guide
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