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
ivSupplement to the Service Guide and User’s Guide
About This Book
This supplement provides updates to the following publications:
RS/6000 7043 43P Series User’s Guide
v
RS/6000 7043 43P Series Service Guide
v
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.
, SA38-0511
, SA38-0512
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
viSupplement 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 BoardFansink Assembly Numbers
7043–14009P1125 or 09P1126
7043–15009P1126 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.
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
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.
RS/6000 7043–43P Series Service Guide
. Power off the system as
11S2YL1109140246FRU90541L58141L5912
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.
2Supplement to the Service Guide and User’s Guide
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