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Chapter 1 Cisco XR 12404 Router Overview
Route Processor
1-18
Cisco XR 12404 Router Installation Guide
OL-13830-02
Table 1-7 lists supported flash disk sizes and Cisco part numbers.
PRP-3 Compact Flash
PRP-3 provides more flash memory than PRP-2. PRP-3 uses flash memory to
store Cisco IOS XR software images. PRP-3 includes a default internal flash
memory of 2 GB and also has an external flash memory of 2 GB. A flash memory
upgrade option is also available for a total of 8 GB (2 x 4 GB).
PRP-2 and PRP-3 compactflashes are not compatible w
ith each other and hence
PRP-2 compactflash cannot be used in PRP-3 and vice versa. PRP-3 uses
Multiword DMA to access the compactflash device, a PRP-2 compactflash does
not support this access type.
Note The PRP-3 external CompactFlash disk replaces the two PCMCIA slots
of PRP-2. The external CompactFlash disk can be installed or removed
from the PRP-3 front panel. The internal CompactFlash disk memory is
denoted as compactflash, while the external CompactFlash disk is
denoted as disk0:.
Ta b l e 1-8 PRP-3 CompactFlash Disk Sizes
Ta b l e 1-7 Supported Flash Disk Sizes
Flash Disk Size
1
1. 4 GB is supported with 2 GB mode prior to Release 3.8.0.
Part Number
2 GB
2
2. Default shipping configuration.
MEM-FD2G=
4 GB MEM-FD4G=
Flash Disk Size Part Numbers
2 GB FLASH-PRP3-2G(=)
4 GB FLASH-PRP3-4G(=)
todd.book Page 18 Monday, March 16, 2009 2:47 PM
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