Figure 76. Memory Module Buttons And Leds - Intel SR4850HW4 - Server Platform - 0 MB RAM Product Manual

Service Technicians Guide
3. Press the attention button on the memory board. The power LED will begin to flash. See letter
"E" in Figure 76.
Item Feature
A Mirror Configuration
(green)
B RAID Configuration
(green)
Hot-plug Attention
C
LED (amber)
D Attention Button
E Power LED (green)
F DIMM 1B Status
LED (amber)
DIMM 1A Status
G
LED (amber)
H DIMM 2B Status
LED (amber)
I DIMM 2A Status
LED (amber)
4. After the Hot-plug Attention LED stops flashing and turns off (letter "C" in the figure), make
sure the Power LED for the memory board is also off (letter "E" in the figure).
CAUTION
Do not attempt to remove any memory board while any of the LEDs are either on
or blinking. If the attention LEDs do not turn off, your configuration may not
support Hot-plug memory board activity. For instructions on non-Hot-plug
memory board maintenance, see
Insertion of a Memory
156
D
B
A
C E
Description
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
LED on: The server is in RAID Memory configuration.
LED off: server is not in a RAID configuration.
LED off: Normal operation.
LED on: Memory Hot-plug transition event.
Press this button to perform a hot-insertion or hot-removal of a
memory board.
LED on: Power is detected. The memory board is powered on.
LED off: Power is not detected.
LED flashing: The memory board is in a Hot-plug event.
LED on: Error LED for DIMM slot 1B (J3A1). The DIMM is
malfunctioning and needs to be replaced.
LED off: The DIMM is functioning properly.
LED on: Error LED for DIMM slot 1A (J3A2). The DIMM is
malfunctioning and needs to be replaced.
LED off: The DIMM is functioning properly.
LED on: Error LED for DIMM slot 2B (J3B1). The DIMM is
malfunctioning and needs to be replaced.
LED off: The DIMM is functioning properly.
LED on: Error LED for DIMM slot 2A (J3B2). The DIMM is
malfunctioning and needs to be replaced.
LED off: The DIMM is functioning properly.

Figure 76. Memory Module Buttons and LEDs

"Cold Removal of Memory
Board".
Intel® Server Platforms SR4850HW4 & SR4850HW4/M Product Guide
I
G
F H
TP01412
Board" and "Cold