118 Netfinity 3500-M20 – Type 8657 Models 21Y, 22Y, 31Y, 32Y,
Þ1Ý Screws
Þ2Ý Power/LED card
To remove the power/LED card, do the following:
1. Pow er-off the server, if it is on.
2. Unplug the server.
3. Remove th e top c over (see “Top co ve r ” on page 11 3) .
4. Pull the power/LED cable toward the right side of the
server until it is free from its housing.
Note: Avoid allowing the cable to fall through the slot
to the inside of the s erver.
5. Remove th e screws.
6. Remove th e power/LED ca rd.
7. To install the new power/LED card, reverse the above
steps.

Adapter card guide

Before you begin:
• Read “S afety information” on page 155.
• Review t he informa tion in “Before you begin” on page
43.
Note: This illustration depic ts the server in the upright posi-
tion. It is recommended that the server be placed on
its left side before performing this service procedure.