Cisco PRP-1= Installation And Configuration Manual page 9

PRP Hardware Components
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The PRP-2 provides the following additional Flash memory:
Compact Flash (CF) disk—Optional 1 GB CF can be used for large IOS
•
images.
Storing the Cisco IOS images in Flash memory enables you to download and boot
from upgraded Cisco IOS software images remotely, or from software images that
reside in PRP Flash memory.
Cisco 12000 Series Routers support downloadable system software for most
Cisco IOS software upgrades. This enables you to remotely download, store, and
boot from a new Cisco IOS software image. The Cisco IOS software runs from
within the SDRAM of the PRP.
For specific Cisco IOS software requirements for the PRP, see the
Software Requirements" section on page
Figure 3 shows the locations of the various hardware components on the PRP-1.
Figure 4 shows the locations of the various hardware components on the PRP-2.
Memory options and functions for both are listed in
Performance Route Processor Installation and Configuration Guide
3.
Table 1.
Product Overview
"Cisco IOS
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