Cisco XR 12406 Installation Manual page 33

Chapter 1 Cisco XR 12406 Router Overview
Table 1-4 PRP-3 Memory Components
Type Size
1
SDRAM 2 GB (Default) for each
DDR2 DRAM for a total
system memory of 4 GB,
option for upgrade to total
system memory of 8 GB (4
GB each).
3
NVRAM 2 MB (fixed)
Flash memory 2 GB (default) or 4 GB
(optional) Flash disks
Flash boot 8 MB
ROM
6
HDD 80 GB SATA
1. Default SDRAM configuration is a total of 4 GB (2 x 2GB) system memory for PRP-3. Bank 1 (U15) must be populated first.
You can use one or both banks to configure DDR2 DRAM combinations of 2 GB or 4 GB for the PRP-3. DIMM devices that
are not from Cisco are not supported.
2. If both banks of the PRP-3 are populated, bank 1 and bank 2 must contain the same size DIMM.
3. NVRAM is not user configurable or field replaceable.
4. ATA Flash disks are supported in the PRP-3.
5. PRP-3 provides an onboard internal CompactFlash and also an external CompactFlash. The external CompactFlash in PRP-3
replaces the two PCMCIA slots (slot0 and slot1) of PRP-2.
6. Hard disk drives that are not from Cisco are not supported.
OL-13831-01
Quantity Description
2 Two 2-GB default DDR2
DRAM for main CiscoIOSXR
software functions. Provision
for optional upgrade to 4 GB
also possible to provide total
system memory of 8 GB.
1 System configuration files,
register settings, and logs
2 Contains Cisco IOS XR
4
(Internal software images, system
and configuration files, and other
External user-defined files on two
Compact CompactFlash.
Flash)
1 Flash EPROM for the ROM
monitor program boot image
1 Contains log and crash
information for specific
Cisco IOS XR versions
Cisco XR 12406 Router Installation Guide
Physical and Functional Description
Location
U8 (bank
2
1)
U10 (bank
2)
—
Internal and
External
Compact
Flash
—
—
5
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