Sun Oracle 4540 - Phaser Copystation, Service Manual, Page: 179 / 264

Chapter 3 Maintaining the Sun Fire X4500 and X4540 Servers 3-59
■
LED is off: Standby power is not reaching the GRASP board.
■
LED is lit (green): 3.3V standby power is reaching the GRASP board.
TABLE 3-15
lists the qualified part numbers for this component. These part numbers
are subject to change over time. For an updated list of components, see the following
web site:
http://sunsolve.sun.com/handbook_pub/Systems/
1. Power off the server as described in Section 3.7.1, “Powering Off the Server” on
page 3-10 .
2. Remove the cable management arm as described in one of the following:
■
Sun Fire X4500/X4540 Installation Guide
■
Sun X4500-J Slide Rail Installation Guide (X4500)
■
“Early-Production Slide Rail and CMA Information” on page G-1 (X4500)
3. Remove the system controller as described in
“To Remove the System Controller
(CRU)” on page 3-70 .
Caution – There is a power status LED (CR1) on the GRASP board that indicates
whether 3.3V standby power is reaching the GRASP board (see
FIGURE 3-28
). The
GRASP board is not hot-swappable and must never be removed while this LED is lit.
4. Remove the GRASP board:
Note – The GRASP board removal procedure only applies to the X4500 server.
Caution – Do not bend the GRASP board while removing it or installing it.
Carefully hold the board and lift to detach it from the left metal connector and from
the bottom connectors on the I/O board.
TABLE 3-15
Sun Fire X4500 Supported GRASP Board Part Numbers
Component Part Number
Graphics Service Processor (GRASP) board, includes SP board and
video board #541-0597