Cisco 7200 VXR router User Manual page 40

Field-Replaceable Units
Figure 1-13
Captive
installation
screw
Table 1-8 lists the I/O controller memory components.
Table 1-8 I/O Controller Memory Components
Memory Type Size
1
Boot ROM 256 KB
Flash SIMM 8 MB
Flash memory 8 to 20 MB
card
Flash Disk 40 MB and
110 MB
NVRAM 128 KB
1 This boot ROM is used only when the I/O controller is used in conjunction with an NPE-100 or NPE-150. The NPE-200 has its own
boot ROM that overrides the I/O controller boot ROM.
1-30 Cisco 7200 VXR Installation and Configuration Guide
I/O Controller—with Fast Ethernet Port (Single MII Receptacle)
Temperature
sensor
Boot ROM U20
CPU reset
PC Card slots
Optional Fast Ethernet
port (MII receptacle)
Quantity Description
1 DIP-type integrated circuit 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
Console
port
LEDs and Auxiliary
port
button
Midplane
connectors
Flash SIMM U99
NVRAM U41
Temperature
sensor
Location
U20
U99
PC Card
slot 0 and slot 1
PC Card
slot 0 and slot 1
U41