IBM 71453RU manual Front of server

vWhen you restart the server after you add or remove a DIMM, the server displays a message that the memory configuration has changed.

vMemory cards in connectors 1 and 2 support microprocessor 1, memory cards in connectors 3 and 4 support microprocessor 2, memory cards in connectors 5 and 6 support microprocessor 3, and memory cards in connectors 7 and 8 support microprocessor 4.

vThere are four memory power buses, which are split among the eight memory cards.

vPopulate the memory-card connectors to match the microprocessor installation, in the following order: 1, 7, 3, 5, 2, 8, 4, 6. (Microprocessors must be installed in the following order: 1, 4, 2, and 3. See “Installing a microprocessor” on page 73 for more information.)

The following illustration shows the locations of the memory-card connectors.

Microprocessor 3	Microprocessor 4
connector	connector

Microprocessor 2 connector

Microprocessor 1 connector

Memory	Memory	Memory	Memory	Memory	Memory	Memory	Memory
card 1	card 2	card 3	card 4	card 5	card 6	card 7	card 8

Front of server

vThe following illustration shows the DIMM connectors on a memory card.

Chapter 2. Installing optional devices 65