Cisco 7246 - uBR Router Hardware Installation Manual page 34

Hardware Component Descriptions
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Table 1-2
Table 1-2 I/O Controller Memory Components
Memory Type Size
Boot ROM 256 KB
Flash SIMM 4 MB or
8 MB
Flash memory card 20 MB
Flash card 48 MB or
128 MB
NVRAM 128 KB
For memory replacement instructions refer to Memory Replacement Instructions for the Network
Processing Engine or Network Services Engine and Input/Output Controller. To view the document
online, go to the following URL:
http://www.cisco.com/en/US/docs/routers/7200/install_and_upgrade/npe-nse_memory_install/memory
.html
For I/O controller replacement instructions, refer to Input/Output Controller Replacement Instructions.
To view the document online. go to the following URL:
http://www.cisco.com/en/US/docs/routers/7200/install_and_upgrade/7200_i.o_controller_install/4447i
o.html
Depending on whether the Fast Ethernet port is present, either two or four LEDs on the I/O controller
faceplate indicate system status; two additional LEDs indicate the status of the flash memory cards
installed in either PCMCIA slot.
A CPU reset button is located next to the IO PWR OK LED on the I/O controller faceplate. The CPU
reset button resets the entire system.
To prevent system errors and problems, use the CPU reset button only at the direction of your service
Caution
representative.
Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide
1-16
Nonvolatile random-access memory (NVRAM) for storing the system configuration and
environmental monitoring logs. NVRAM uses lithium batteries to maintain its contents when
disconnected from power.
Two PCMCIA slots for Type II flash memory cards.
Flash memory SIMM and flash memory cards for storing the boot helper image and the default
Cisco IOS software image.
Erasable programmable read-only memory (EPROM) for storing sufficient code for booting the
Cisco IOS software.
Two environmental sensors for monitoring the cooling air as it enters and leaves the Cisco uBR7200
series chassis.
lists the I/O controller memory components.
Quantity Description
1 EPROM for the ROM monitor
program
1 Contains the default boot helper
image
Up to 2 Contains the default Cisco IOS
image
Up to 2 Contains the default Cisco IOS
image
1 Nonvolatile EPROM for the system
configuration file
Chapter 1 Cisco uBR7200 Series Overview
Location
Socket U20
Socket U99 or U10, U11, U12, and
U13 or U13 and U25 (soldered)
PCMCIA slot 0 and slot 1
PC card slot 0 and slot 1
Socket U41 or U14 (soldered)
OL-5421-03