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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=