Cisco 3631 Instalační příručka stáhnout pdf (Strana 30)

Upgrading System Memory in Cisco 3600 Series Routers

78-3636-05

Replacing ROM

Step 4 Beginning with bank 0, insert the Cisco Flash memory SIMM at an angle by sliding the end with the

metal fingers into the socket tilted toward the left side of the chassis at approximately a 45-degree angle

to the motherboard. Rock the SIMM into a vertical position and gently push the SIMM until the latches

on both sides snap into place. Do not use excessive force. When the SIMM is properly seated, the

socket guideposts fit in the alignment holes, and the locking springs click into place. (See Figure 19.)

Figure 19 Inserting Cisco Flash Memory SIMMs

Caution It is normal to feel some resistance, but do not use excessive force on the SIMM and do not touch the

surface components to avoid damaging them.

Step 5 Check the alignment to make sure that the SIMM is straight and that the alignment holes are lined up

with the plastic socket guides.

Step 6 When you finish replacing Cisco Flash memory SIMMs and installing all internal components, proceed

to either of these sections:

• “Replacing the Cover (Cisco 3620, Cisco 3631, Cisco 3640)” section on page 33

• “Replacing the Mainboard Tray (Cisco 3660)” section on page 35

Replacing ROM

Note The Cisco 3631 router does not have replaceable ROM and the following steps therefore do not apply.

To update the boot Cisco Flash on the Cisco 3631 router, refer to documentation on installing and

formatting compact flash-memory cards, available online at

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3600/hw_inst/index.htm

Follow these steps to upgrade the router ROM software to a new ROM monitor version:

H7084

1. Insert the SIMM into the socket

at an angle from vertical.

The socket guide posts fit through

the holes in the SIMM.

The locking springs clip the back

of the SIMM.

View from front of chassis

2. Push the top of the SIMM

down and back.

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Cisco 3631 Instalační příručka Strana 30