Installing A Memory Card - IBM x3850 X5 7145 Installation And User Manual

Installing a memory card

At least one memory card with one pair of DIMMs must be installed for the server
to operate correctly.
To install a memory card, complete the following steps:
1. Read the safety information that begins on page v and "Installation guidelines"
2. Turn off the server and peripheral devices, and disconnect the power cords and
3. Remove the server cover (see "Removing the top cover" on page 30).
4. Remove the memory card filler.
5. Prepare the memory card:
The following illustration shows the LEDs on the memory card.
Light path
diagnostics
button
Light path
diagnostics
button
power LED
Memory card/DIMM error LED: When this LED is lit, it indicates that the
memory card or a DIMM has failed.
Memory card only error LED: When this LED is lit, it indicates that the memory
card has failed.
DIMM 1 - 8 error LED: When one of these LEDs is lit, it indicates that a DIMM
has failed.
Light path diagnostics button power LED: When this LED is lit, it indicates
that the capacitor has power and error LEDs can be lit as necessary.
Light path diagnostics button: Press this button to relight the error LED that
had previously been lit.
on page 25.
all external cables as necessary to replace the device.
DIMM 1
DIMM 2
DIMM 3
DIMM 4
DIMM 5
DIMM 6
DIMM 7
DIMM 8
Chapter 2. Installing optional devices
Memory
card/DIMM
error LED
Memory
card only
error LED
DIMM 1 error LED
DIMM 2 error LED
DIMM 3 error LED
DIMM 4 error LED
DIMM 5 error LED
DIMM 6 error LED
DIMM 7 error LED
DIMM 8 error LED
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