Cisco Systems Cisco 12008 manual PRP Memory Components, Type Size Quantity Description

Overview of the Cisco 12008

1	Backplane connector	6	Ethernet ports
2	Flash SIMM (Socket number P3)	7	Auxiliary port
3	SDRAM DIMMs	8	Console port
	Bank 1 - Socket number U15
	Bank 2 - Socket number U18
4	Ejector lever	9	Handle
5	Flash disk slots (covered)	10	Display LEDs

PRP Memory Components

Table 1-4 lists the memory components on the PRP.

		Table 1-4	PRP Memory Components
Type	Size		Quantity	Description
SDRAM1	512 MB, 1 GB, or		1 or 2	512-MB and 1-GB DIMMs (based on desired SDRAM
	2	GB		configuration) for main Cisco IOS software functions
SRAM2	2	MB (fixed)	—	Secondary CPU cache memory functions
NVRAM3	2	MB (fixed)	1	System configuration files, register settings, and logs
Flash	64 MB SIMM4		1	Cisco IOS boot image (bootflash), crash information, and other
memory				user-defined files
	Flash disks5		1 or 2	Cisco IOS software images, system configuration files, and other
				user-defined files on up to two Flash disks
Flash boot	512 KB		1	Flash EPROM for the ROM monitor program boot image
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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