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7000 Series Route Switch Processor (RSP7000) Installation and Configuration in the Cisco 7000 Series Routers 5
Product Descriptions
Memory Components
Figure 3 shows the various types of memory components on the RSP7000, and Table 1 lists the
functions of each type.
Figure 3 7000 Route Switch Processor (RSP7000)
Table 1 RSP7000 Memory Components
System Software
The Cisco 7000 series routers support downloadable system software and microcode for most Cisco
IOS and microcode upgrades, which enables you to remotely download, store, and boot from a new
image. The publication Upgrading Software and Microcode in Cisco 7XXX Series Routers
(Document Number 78-1144-xx), which accompanies all Cisco IOS upgrade kits, provides
instructions for upgrading over the network or from floppy disks. Flash memory contains the default
system software. An erasable programmable read-only memory (EPROM) device contains the latest
microcode version, in compressed form, for each interface processor. At system startup, an internal
system utility scans for compatibility problems between the installed interface processor types and
the bundled microcode images, then decompresses the images into running dynamic random-access
memory (DRAM). The bundled microcode images then function the same as the EPROM images.
1. A system configuration file is contained in NVRAM, which allows the software to control several system variables.
2. Only Intel Series 2 Flash memory cards can be used with the RSP7000.
Type Size Quantity Description Location
DRAM 16 to 128 MB 2 to 4 8, 16, or 32-MB SIMMs (based on maximum DRAM required) Bank 0: U4 and U12
Bank 1: U18 and U25
NVRAM 128 KB 1 Nonvolatile EPROM for the system configuration file
1
U17
Flash SIMM
Flash Card
8MB
8, 16, and 20 MB
2
1
Up to 2
Contains the Cisco IOS images on the RSP7000 (standard)
Contains the Cisco IOS images on up to two PCMCIA cards
U1
Slot 0, slot 1
Boot ROM 256 KB 1 EPROM for the ROM monitor program U24
H5364
CPU
Flash SIMM
holder
Console port
Auxiliary port
NVRAM
Flash card
(PCMCIA) slot
DRAM
SIMMs
ROM monitor
(boot ROM)
U1
U4
U12
U18
U25
U24
U17
Bus connector
Bank 0
Bank 1