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RS/6000 SP and Clustered IBM
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pSeries Systems Handbook
For upgrades to greater than eight node support, the SP Switch-8 is replaced by
the 16 port SP Switch (F/C 4011). The SP Switch uses a similar network
topology, proprietary protocol and communication physical layer as the SP
Switch-8.
5.5 SP Switch adapter (F/C 4020, 4022, and 4023)
If you plan to use a switch in your SP system, you will need a switch adapter to
connect each RS/6000 SP node to the switch subsystem. SP Switches use
either the SP Switch adapter (F/C 4020) for MCA-type nodes or the SP Switch
MX Adapter (F/C 4022) or SP Switch MX2 Adapter (F/C 4023) for PCI-type
nodes. One switch adapter is needed for each node in the SP system. Table 5-2
shows the SP Switch adapter features.
Table 5-2 SP Switch adapter features
Note:
The SP-attached server, Clustered Enterpise Servers, and POWER3 High
Nodes cannot be attached to the SP Switch-8.
Attention:
The SP Switch MX adapter (F/C 4022) has been withdrawn from
production. This adapter has been replaced with the SP Switch MX2
adapter (F/C 4023).
High Performance Switch adapters are not compatible with any of the SP
Switch adapters. These adapters cannot coexist in the same system
configuration.
Adapter Feature
Code
Description
4020
SP Switch adapter for installation as follows:
Optional
Order one adapter per MCA node
4022
SP Switch MX adapter (SP switch adapter for 332 MHz
SMP nodes) for installation as follows:
Optional
Order one adapter per PCI node
Withdrawn 10/98
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