Chapter 1 Cisco 12010, Cisco 12410, and Cisco 12810 Series Router Overview
Line Card and Route Processor Overview
1-20
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
GRP Memory Components
This section describes types of memory used on the GRP to support router
functions.
provides a quick reference of the different types of memory,
and
shows the location on the GRP board.
Table 1-1
GRP Memory Components
Type
Size
Quantity
Description
Location
DRAM
128
1
or 256
MB
1.
Default shipping configuration.
1 or 2
Uses 64 MB or 128 MB DIMMs
(based on DRAM configuration) for
main Cisco IOS software functions
U39 (bank 1)
U42 (bank 2)
SRAM
512 KB (fixed) —
Secondary CPU cache memory
functions
—
NVRAM
512 KB (fixed) —
System configuration files, register
settings, and logs
—
Flash memory
8 MB SIMM
1
Cisco IOS software images and other
user-defined files
U17
Flash memory
card
PCMCIA
2
2.
Type I or Type II PCMCIA cards can be used in either slot.
20 MB
1 or 2
Cisco IOS software images, system
configuration files, and other
user-defined files on one or two flash
memory cards
Slots 0 and 1
Flash boot
ROM
512 KB
1
Flash EPROM for the ROM monitor
program boot image
—
Содержание 12010 series
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