Grp Memory Components - Cisco 12006 series Product Overview

Chapter 1 Product Overview

GRP Memory Components

Table 1-1 GRP Memory Components
Type Size
1
DRAM 128
MB
SRAM 512 KB
(fixed)
NVRAM 512 KB
(fixed)
Flash Memory 8 MB SIMM
20 MB
memory card
Flash boot 512 KB
ROM
1. 128 MB of DRAM is the default DRAM configuration for the GRP.
2. This memory is neither user configurable nor field upgradeable.
3. SIMM socket is wired according to a Cisco design and does not accept industry-standard, 80-pin Flash SIMMs.
4. 20-MB Flash memory card is the default shipping configuration.
5. Type I or Type II PCMCIA cards can be used in either PCMCIA slot.
DRAM
OL-11497-03
Table 1-1 lists the memory components on the GRP.
of the DRAM and Flash SIMM on the GRP.
Quantity
or 256 1 or 2
2
2
3
1
4
Flash 1 or 2
1
The EDO DRAM on the GRP stores routing tables, protocols, and network
accounting applications, and runs the Cisco IOS software. The standard (default)
GRP DRAM configuration is 64 MB of EDO DRAM, which you can upgrade to
256 MB. Table 1-2 lists the DRAM configurations and upgrades.
Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
Description
64-MB or 128-MB DIMMs (based on
DRAM required) for main Cisco IOS
software functions
Secondary CPU cache memory functions
System configuration files, register
settings, and logs
Cisco IOS software images and other
user-defined files
Cisco IOS software images, system
configuration files, and other user-defined
files on up to two Flash memory cars
Flash EPROM for the ROM monitor
program boot image
Route Processors
Figure 1-5 shows the location
Location
U39 (bank 1)
U42 (bank 2)
—
—
U17
Flash
memory card
5
slot 0 and
slot 1
1-19