Grp Memory - Cisco Internet Router 12404 Technical Specifications

Product Architecture

GRP Memory

Table A-4 GRP Memory Components
Type Size
1
DRAM 64 to 256 MB
DIMM
SRAM 512 KB
(fixed)
NVRAM 512 KB
(fixed)
Flash Memory 8 MB
4
(SIMM)
Flash Memory 20 MB
(card)
Flash boot 512 KB
ROM
1. 64 MB of DRAM is the default DRAM configuration for the GRP.
2. SRAM is not able to be upgraded or configured.
3. NVRAM is not able to be upgraded or configured.
4. SIMM socket is wired for a Cisco design and does not accept industry-standard 80-pin Flash SIMMs.
5. 20-MB Flash memory card is the default shipping configuration for the Cisco 12404 Internet router.
Cisco 12404 Internet Router Installation and Configuration Guide
A-8
The MBus connection allows the GRP to download a system bootstrap image,
collect or load diagnostic information, and perform general, internal system
maintenance operations. The GRP plugs into any slot in the card cage in the
Cisco 12404 Internet router. The router is shipped with 20MB of Flash memory
as the default configuration.
Memory components of the GRP are listed in
Quantity
1 or 2
2
3
1
5
Up to 2
1
Table
Description
64- or 128-MB DIMMs (based on DRAM required) for
main Cisco IOS software functions.
3.3-volt, 60 nanosecond device
SRAM for secondary CPU cache memory functions.
Nonvolatile random-access memory (NVRAM) for the
system configuration file.
Contains Cisco IOS software images and other
user-defined files on the GRP.
Contains Cisco IOS software images and other
user-defined files on up to two PCMCIA-based Flash
memory cards.
Flash EPROM for the ROM monitor program boot
image.
Appendix A Technical Specifications
A-4.
OL-11636-01