Cisco RSP7000 Manuale di installazione e configurazione - Pagina 5

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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
Table 1
Type
Size
DRAM
16 to 128 MB
NVRAM
128 KB
Flash SIMM
8 MB
Flash Card
8, 16, and 20 MB
Boot ROM
256 KB
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.
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.
7000 Series Route Switch Processor (RSP7000) Installation and Configuration in the Cisco 7000 Series Routers
7000 Route Switch Processor (RSP7000)
Bus connector
U1
Flash card
(PCMCIA) slot
RSP7000 Memory Components
Quantity
Description
2 to 4
8, 16, or 32-MB SIMMs (based on maximum DRAM required)
1
Nonvolatile EPROM for the system configuration file
1
Contains the Cisco IOS images on the RSP7000 (standard)
2
Up to 2
Contains the Cisco IOS images on up to two PCMCIA cards
1
EPROM for the ROM monitor program
DRAM
SIMMs
U4
Bank 0
U12
U18
Bank 1
U25
Flash SIMM
Auxiliary port
holder
Product Descriptions
CPU
U24
ROM monitor
(boot ROM)
NVRAM
U17
Console port
Location
Bank 0: U4 and U12
Bank 1: U18 and U25
1
U17
U1
Slot 0, slot 1
U24
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