User`s manual

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32 MFMAXDATA PLATINUM 7200 IR M6Platform Description

Memory Board

Up to four Memory Boards can be installed. Each Memory Board has four DIMM sockets and supports

two DDR2 channels with two DIMMs per channel. The Memory Boards support both single-rank and

double-rank registered DIMMs. Unbuffered DIMMs are not supported. The Memory Boards connect

to the Main Board through x16 PCI-Express connectors.

The Independent Memory Interface (IMI) bus connects the XMB on the Memory Board and the Intel

E8501 on the Main Board. The I2C bus also goes through the memory connector linking the FRU

device on the Memory Board to the server management (SM) bus on the Main Board.

The hot-plug Memory Boards have LEDs indicating the configuration and status of the DIMMs on

the hot-plug Memory Board. See the following diagram.

Figure 9. Hot-Plug Memory Board LEDs and Buttons

Table 12. Hot-Plug Memory Board LEDs and Buttons

Item Feature Description

A Mirror Configura-

tion (green)

LED on: The server is in Memory Mirror configuration. This Memory

Board mirrors another Memory Board in the system.

LED off: The server is not configured for Memory Mirror.

B RAID Configura-

tion (green)

LED on: The server is in RAID Memory configuration.

LED off: The server is not in a RAID configuration.

C Hot plug Attention

LED (amber)

LED off: Normal operation.

LED on: Memory Hot plug transition event.

D Attention Button Press this button to perform a hot-insertion or hot-removal of a

Memory Board.

E Power LED (green) LED on: Power is detected. The Memory Board is powered on.

LED off: Power is not detected on all boards.

LED flashing: The Memory Board is in a hot-plug event.

F DIMM 1B Status

LED (amber)

LED on: Error LED for DIMM slot 1B (J3A1). The DIMM is malfunc-

tioning and needs to be replaced.

LED off: The DIMM is functioning properly.

G DIMM 1A Status

LED (amber)

LED on: Error LED for DIMM slot 1A (J3A2). The DIMM is malfunc-

tioning and needs to be replaced.

LED off: The DIMM is functioning properly.

H DIMM 2B Status

LED (amber)

LED on: Error LED for DIMM slot 2B (J3B1). The DIMM is malfunc-

tioning and needs to be replaced.

LED off: The DIMM is functioning properly.

I DIMM 2A Status

LED (amber)

LED on: Error LED for DIMM slot 2A (J3B2). The DIMM is malfunc

tioning and needs to be replaced.

LED off: The DIMM is functioning properly.

C E