Cisco ESR10008 Hardware Installation Guide - Page 138

Upgrading SDRAM on the PRE

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Upgrading SDRAM on the PRE Chapter 5 Maintaining the Cisco 10008 Router Caution Always tighten the captive screw on the PCMCIA flash card cover to prevent the risk of a harmful ESD event and to ensure electromagnetic interference (EMI) shielding. Figure 5-49 Tightening the Captive Screw OC-12/STM-4 POS SM-IR 6XCT3-DS0 6XCT3-DS0 6XCT3-DS0 PERFORMANCE ROUTING ENGINE PERFORMANCE ROUTING ENGINE 6XCT3-DS0 6XCT3-DS0 CH OC-12-DSO SM-IR GIGABIT ETHERNET POWER FAULT MISWIRE POWER FAULT MISWIRE RX TX CARRIER LOOP ALARM CARRIER RX TX LINK FANS OK FAN FAILURE MULTIFAN FAILURE WrbseyemhsdetoeonvmnahelosaihtnnCusduwtAdnarUodepwTeppnIrliaOntcwwgNeioltmlhmoiescnincftauumntre.utsrsaotyr, 1 CISCO 10000 2 CISCO 10000 3 CISCO 10000 4 CISCO 10000 FAIL FAIL FAIL FAIL LOOP CARALRAIERRM LOOP CARALRAIERRM 0 0 1 1 SSLLOOTT01 SSLLOOTT01 0A PROCESSOR ONLY0B CISCO 10000 CISCO 10000 CONSOLE AUX ELAICTNHTKIEVRITNYET CONSOLE AUX ELAICTNHTKIEVRITNYET LOOP CARALRAIERRM LOOP CARALRAIERRM LOOP CARALRAIERRM FAIL FAIL FAIL 5 CISCO 10000 0 6 CISCO 10000 0 7 CISCO 10000 0 2 2 1 1 1 3 3 2 2 2 4 4 5 5 3 3 3 4 4 4 5 5 5 FAIL 8 CISCO 10000 ACO CMRAIJTOICRAL MINOR SFATAILTUS ACO CMRAIJTOICRAL MINOR SFATAILTUS PROCESSOR ONLY 1 0 1 2 1 3 4 32689 1 Captive screw Step 5 Close the cover and tighten the captive screw (Figure 5-49). Step 6 Replace the front cover if necessary (see the "Replacing the Front Cover" section on page 5-6). Upgrading SDRAM on the PRE You can increase the amount of SDRAM in your system configuration by replacing the two dual in-line memory modules (DIMMs) with higher capacity SDRAM. The default SDRAM configuration is 128 MB, and can be upgraded to either 256 MB or 512 MB to meet your needs (Table 5-1). Note We recommend that you upgrade the SDRAM in both the primary and the secondary PRE in a redundant chassis configuration. The DIMMs that you remove may be used in other compatible equipment and should be stored in an antistatic bag. 5-46 Cisco 10008 Router Hardware Installation Guide OL-0659-13

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5-46
Cisco 10008 Router Hardware Installation Guide
OL-0659-13
Chapter 5
Maintaining the Cisco 10008 Router
Upgrading SDRAM on the PRE
Caution
Always tighten the captive screw on the PCMCIA flash card cover to prevent the risk of a harmful ESD
event and to ensure electromagnetic interference (EMI) shielding.
Figure 5-49
Tightening the Captive Screw
Step 5
Close the cover and tighten the captive screw (
Figure 5-49
).
Step 6
Replace the front cover if necessary (see the
“Replacing the Front Cover” section on page 5-6
).
Upgrading SDRAM on the PRE
You can increase the amount of SDRAM in your system configuration by replacing the two dual in-line
memory modules (DIMMs) with higher capacity SDRAM. The default SDRAM configuration is
128 MB, and can be upgraded to either 256 MB or 512 MB to meet your needs (
Table 5-1
).
Note
We recommend that you upgrade the SDRAM in both the primary and the secondary PRE in a redundant
chassis configuration. The DIMMs that you remove may be used in other compatible equipment and
should be stored in an antistatic bag.
1
Captive screw
1
3
2
4
0A
PROCESSOR ONLY
0B
5
6
7
8
PROCESSOR ONLY
POWER
FAULT
MISWIRE
POWER
FAULT
MISWIRE
32689
CISCO
10000
LINK
TX
RX
FAIL
GIGABIT ETHERNET
CISCO
10000
CARRIER
ALARM
LOOP
FAIL
CH OC-12-DSO SM-IR
CISCO
10000
CARRIER
ALARM
LOOP
FAIL
6XCT3–DS0
0
5
4
3
2
1
CISCO
10000
CARRIER
ALARM
LOOP
FAIL
6XCT3–DS0
0
5
4
3
2
1
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT 0
SLOT 1
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT 0
SLOT 1
CISCO
10000
CARRIER
ALARM
LOOP
FAIL
6XCT3–DS0
0
5
4
3
2
1
CISCO
10000
CARRIER
ALARM
LOOP
FAIL
6XCT3–DS0
0
5
4
3
2
1
CISCO
10000
CARRIER
ALARM
LOOP
FAIL
6XCT3–DS0
0
5
4
3
2
1
CISCO
10000
CARRIER
TX
RX
FAIL
OC–12/STM–4 POS SM–IR
CISCO
10000
CISCO
10000
FANS
OK
FAN
FAILURE
MULTI-
FAN
FAILURE
When hot swapping this fan tray,
removal and replacement must
be done in under two minutes or
system shutdown will occur.
CAUTION
4
3
2
1
1
0
1