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A-3
Cisco 7401ASR Installation and Configuration Guide
OL-5419-01 B0
Appendix A Specifications
Processor Specifications
Processor Specifications
Memory Specifications and Configurations
Table A-2 Processor Specifications
Memory Type Size Quantity Description
SDRAM 128 MB,
256 MB,
512 MB
1 128-MB, 256-MB, or 512-MB DIMM
Boot ROM 512 KB 1 OTP
1
ROM for the ROM monitor program
1. OTP = one time programmable
Primary cache 16 KB
(instruction),
16 KB (data)
— RM7000 processor, internal cache
Secondary cache 256 KB — RM7000 processor; internal, unified cache
Tertiary cache 2 MB (fixed) — RM7000 processor, external cache
2
2. Located on the processor engine board
Table A-3 Memory Specifications
Type Quantity Size Memory Description
Flash memory 1 8 MB Contains the default boot helper (boot
loader) image
CompactFlash Disk 1 64 MB or
128 MB
Contains the default Cisco IOS image
NVRAM 1 512 KB Nonvolatile EPROM for the system
configuration file
Table A-4 Memory Configurations
Total SDRAM Quantity Product Number
128 MB 1 128-MB DIMM MEM-7400ASR-128MB=
256 MB 1 256-MB DIMM MEM-7400ASR-256MB=
512 MB 1 512- MB DIMM MEM-7400ASR-512MB=
Table A-5 CompactFlash Disk Configuration
Memory Size Product Number
64 MB MEM-COMP-FLD64M=
128 MB MEM-COMP-FLD128M=