IBM 3746 User manual
IBML Installation Instructions
Field Feature Bill of Material
PN 25L9934
64 Mb Memory Upgrade (FC 3520)
on the System Card of the Multiaccess Enclosure (FC 3000)
of the IBM 3746 Models 9X0
Written by: C. Vallee
Checked by: J. Dauverd
Approved by: A. Badino
Reviewed by: B. Kelly
3746 PN 25L9934 EC F12604
FFBM 1 of 10 14/04/1998
Copyright IBM Corp. 1998 1
IBML Installation Instructions
3746 PN 25L9934 EC F12604
FFBM 2 of 10 14/04/1998
2
IBML Installation Instructions
Before Installation (Steps 1-8)
1.0 Machines Affected
3746 Model 9X0 with Multiaccess Enclosure (FC 3000) and MAE Extended Func-
tions (FC 5804).
This feature should only be applied on the machine serial for which it is speci-
fied
.
2.0 Related BMs and ECs
2.1 Prerequisites
(Must be installed prior to this installation)
Feat
B/M Title
86H0250 Multiaccess Enclosure (FC 3000) at EC E49252 or higher.
and
EC Title
F12380 Licensed Internal Code (Minimum level)
Checkpoint: Check that the CSS 1 EC Level is F12380.000 or higher.
Note: Refer to
SPIM
, Chapter 3.
Displaying the EC Level of the Code.
2.2 Concurrent ECs
(Must be installed together)
None.
2.3 Companion ECs
(May be installed together)
None.
3.0 BMs to be Installed
FB/M Title
25L9934 System Card Memory Upgrade 64 Mb.
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IBML Installation Instructions
4.0 Preparation
•Familiarize yourself with the purpose and details of the installation instruc-
tion before negotiating machine time with the customer.
•Check all items listed on the BM(s) to determine that all parts have been
received.
5.0 Programming
None.
6.0 Purpose and Description
To increase the performance by adding a 64 Mb Dual Inline Memory Module
(DIMM) on the system card on the Multiaccess Enclosure.
7.0 Installation Time
FFBM Machine
Hrs. System Hrs. CE Hour Nbr of CE
25L9934 00.0 00.0 1 1
8.0 Tools/Material Required
None.
3746 PN 25L9934 EC F12604
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IBML Installation Instructions
Installation (Steps 9-12)
9.0 Safety
Review the Safety Notices and the Safety Inspection Procedures located at the
beginning of the
IBM 3745 Communication Controller All Models
,
IBM 3746
Expansion Unit Model 900
,
IBM 3746 Nways Multiprotocol Controller Model 950
Safety Information
, GA33-0400.
10.0 Details of Installation
Attention.
The System Card is not hot pluggable.
Electrostatic discharge (ESD) can damage the static-sensitive devices on circuit boards. To avoid
this kind of damage, use the following precautions:
•Do not remove the DIMM until you are ready to insert it into the Multiaccess Enclosure.
•Use correct grounding techniques when inspecting and installing the DIMM. Use a foot strap or
grounding mat, or wear a grounded static discharge wrist strap, or touch a grounded rack or
other source of ground before you handle the DIMM.
10.1 Removing the System Card
1. Switch OFF each power supply.
2. Unplug the cables from the system card.
3. Loosen thumbscrews on the system card.
4. Remove the system card and lay it on a
soft non-conductive surface.
3746 PN 25L9934 EC F12604
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IBML Installation Instructions
10.2 Adding a DIMM on the System Card
1. Remove the DIMM, in its antistatic bag, from its shipping container.
2. Remove the DIMM from the antistatic bag. Inspect it for damage.
Always handle the DIMM by the ends (preferably grasp it between the
middle finger and thumb; do not touch the components). If the DIMM
appears to be damaged, return it to the antistatic bag and contact the
supplier.
3. On the System card, Locate the DIMM sockets (Slots U87 and U86 -
Refer to figure below).
Note: Any slot can be used to install the first DIMM.
4. Insert the DIMM into the free slot. (Grasping the DIMM between the
middle finger and thumb, place it connector edge down into the DIMM
socket. Applying slight pressure to the top edge of the DIMM, move it
forward until it is correctly aligned and snaps in place.)
The lever will snap back into place as the DIMM is fully inserted.
10.3 Re-installing the System Card
1. Re-install the new system card. Make sure the card is aligned with the
plastic grooves and then slide it in until it is flush with the box. Hold the
locking latches so that they are perpendicular to the face of the system
card. With the card in full contact with the rear of the Multiaccess Enclo-
sure, press the locking latches into the system card.
2. Tighten the thumbscrews on the face of the adapter card clockwise.
3746 PN 25L9934 EC F12604
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IBML Installation Instructions
3. re-plug the cables into the system card.
4. Power ON; Then verify the LEDs (Refer to Figure 1 and to page 8 for
LEDs status meaning).
Figure 1. Power Supply, System Card, and Adapter Card LEDs
3746 PN 25L9934 EC F12604
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IBML Installation Instructions
Power Supply Status
System Card Status
Adapter Card Status
LEDs Meaning
Yellow
(Overcurrent) On - There is an overcurrent condition with the −48 V to one or
more of the adapters (slots 1−8) or the +12 V to the fan tray.
Green DC On - +5 V, +12 V, and −48 V are OK.
Green AC On - AC source voltage is present and within tolerance.
LEDs Meaning
PCMCIA 1 or
PCMCIA 2
(Yellow)
On - PCMCIA device has a fault, is not installed, or is not seated
correctly.
Off - Device passed self-tests
OK (Green) On - Card hardware is operating normally.
Blinking - Loading from hard file
OK (Yellow) On - Card hardware has a fault.
Fault Hard Drive
(Yellow) On - Hard drive has failed.
LEDs Meaning
OK (Green) On - Adapter is operating normally.
OK (Yellow) On - Adapter has a fault.
Wrong slot
(Yellow) On - Adapter is in the wrong slot.
The wrong slot LED is ON only when an adapter that is plugged
into the multiaccess enclosure violates the plugging rules.
Green port (See
note). On - Port is operating normally (enabled and configured).
Off - Port is not configured or is disabled.
For the ESCON adapter:
Blinking - The optical power measurement test is running.
Yellow port (See
note). On - One or more ports has a hardware fault.
Blinking - One or more ports has a port I/O or network failure.
Use the Maintenance Analysis Procedures (MAPs) to isolate.
Off - No problem detected.
Note: The port LEDs of the multiport WAN adapters (FC 3282, FC 3291, and FC 3292)
reflect the status of one or more of the ports.
3746 PN 25L9934 EC F12604
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IBML Installation Instructions
11.0 Test Procedures
No test required.
12.0 Field Updating
None.
3746 PN 25L9934 EC F12604
FFBM 9 of 10 14/04/1998 9
IBML Installation Instructions
After Installation (steps 13-15)
13.0 Publications Update
None.
14.0 Parts Disposition
None.
15.0 Machine Records
•Install the new MACHINE HISTORY supplied.
•Report installation and quality to existing procedures.
End of instructions.
3746 PN 25L9934 EC F12604
FFBM 10 of 10 14/04/1998
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