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Chapter 2 Setting Up XSCF 2-145

Note – (1) DR: Abbreviation for Dynamic Reconfiguration. This function dynamically adds

a system board to a domain or deletes it from a domain. For details on DR, see the Dynamic

Reconfiguration User’s Guide.

Note – (2) Specified or displayed by the DCL. When the system board uses kernel or I/O,

for details of the DR operation and notation, see the Dynamic Reconfiguration User’s Guide.

Note – (3) Although a CMU with two CPUMs can be configured into Quad-XSB mode on

an M8000/M9000 server, be aware of the following points:

- Only an XSB with at least one valid CPUM and memory can be configured

into a domain.

- Memory within an XSB that does not have a CPUM becomes unavailable.

The result is loss of access to half the installed memory on the CMU.

- You can add DIMMs to a CMU, but you cannot reconfigure memory resident on a

CMU to the valid XSBs to prevent that memory from becoming unavailable.

- The server generates a "configuration error" message for those XSBs that do not

have a CPUM and memory.

For details of components such as CPU/Memory Board unit, I/O unit, and Motherboard unit,

see the Service Manual for your server.

TABLE 2-24 lists the number of domains and XSBs for each system.

TABLE 2-24 Number of Domains and XSBs for Each System (1 of 2)

System

Range of Domain

Maximum Number of

XSBs Memory Mirror (Note)

Entry-level systems The system containing 1

CPU chip.

(M3000 server)

0 1 Not available

Midrange systems The system containing up

to 4 CPU chips.

(M4000 server)

0 - 1 4 (1 x 4) Enabled for both

Uni-XSBs and

Quad-XSBs

The system containing up

to 8 CPU chips.

(M5000 server)

0 - 3 8 (2 x 4)

1 2 ... 180 181 182 183 184 185 186 187 188 189 190 ... 431 432

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Cooper M3000 Guía de usuario Pagina 185

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