Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 60

Overview of the Cisco 12008
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5
PRP Memory Components
Table 1-4 lists the memory components on the PRP.
Table 1-4
Type Size
1
SDRAM 512 MB, 1 GB, or
2 GB
2
SRAM 2 MB (fixed)
3
NVRAM 2 MB (fixed)
Flash 64 MB SIMM
memory
Flash disks
Flash boot 512 KB
ROM
1. Default SDRAM configuration is 512 MB. Bank 1 (U15) must be populated first. You can use one or both banks to
configure SDRAM combinations of 512 MB, 1 GB, or 2 GB. 1.5-GB configurations are not supported.
2. SRAM is not user configurable or field replaceable.
3. NVRAM is not user configurable or field replaceable.
4. Flash memory SIMM is not user configurable or field replaceable.
5. ATA Flash disks and Type I and Type II linear Flash memory cards are supported. See the
"Flash Memory" for Flash disk information.
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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
Backplane connector
Flash SIMM (Socket number P3)
SDRAM DIMMs
Bank 1 - Socket number U15
Bank 2 - Socket number U18
Ejector lever
Flash disk slots (covered)
PRP Memory Components
Quantity Description
1 or 2 512-MB and 1-GB DIMMs (based on desired SDRAM
configuration) for main Cisco IOS software functions
— Secondary CPU cache memory functions
1 System configuration files, register settings, and logs
4
1 Cisco IOS boot image (bootflash), crash information, and other
user-defined files
5
1 or 2 Cisco IOS software images, system configuration files, and other
user-defined files on up to two Flash disks
1 Flash EPROM for the ROM monitor program boot image
6 Ethernet ports
7 Auxiliary port
8 Console port
9 Handle
10 Display LEDs