Chapter 1 Product Overview
Route Processors
Performance Route Processor
This section provides information about the PRP. The PRP is supported in both the Cisco 12406 Router and the Cisco 12006 Router. Figure 1-8shows the front panel view of the PRP. The PRP is shipped with 20 MB of Flash memory as the default configuration.
Figure 1-8 Performance Route Processor (Front View)
PERFORMANCE ROUTE PROCESSOR 1 (PRP-1)
The PRP is available as Product Number PRP-1=, which includes one PRP with 512 MB of SDRAM and one 64-MB ATA Flash disk. A redundant PRP (Product Number PRP-1/R=) is also available.
The PRP contains the following components:
•PowerPC processor—Motorola PowerPC 7450 CPU, which runs at an external bus clock speed of 133 MHz and an internal clock speed of 667 MHz.
•SDRAM—Up to 2 GB of Cisco-approved SDRAM on two DIMMs. 512 MB of SDRAM is the default shipping configuration. SDRAM is field replaceable only when using Cisco-approved DIMMs.
•SRAM—2 MB of SRAM for secondary CPU cache memory functions. SRAM is not user configurable or field replaceable.
•NVRAM—2 MB of NVRAM. NVRAM is not user configurable or field replaceable.
•Memory—Additional memory components include onboard Flash memory and up to two Flash disks.
•Sensors—Air-temperature sensors for environmental monitoring.
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