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Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide
OL-5331-01
Chapter 1 Product Overview
Regulatory Compliance
•
For Cisco 850 series routers, the default and maximum flash memory is 20 MB. This is not
upgradable.
•
For Cisco 870 series routers, an expansion slot allows for an additional 8 MB, 16 MB, or 32 MB of
memory. The maximum flash memory is 52 MB. The default flash memory depends on which
Cisco IOS image is ordered with the router.
–
By default, the router ships with 4 MB in the expansion slot, for a total of 24 MB of flash
memory.
–
If ordered with a Cisco IOS Advanced IP Services image or Enterprise Services image, the
router ships by default with 8 MB of memory in the expansion slot, for a total of 28 MB of
flash memory.
SDRAM
SDRAM stores the Cisco IOS software and provides memory for data created during packet processing.
The router provides 128 MB of onboard SDRAM, with an expansion slot that allows an additional
64 MB or 128 MB, up to a maximum of 256 MB of SDRAM.
Router Hardware Security
The Cisco 850 series and Cisco 870 series routers have a Kensington security slot on the back panel. To
secure the router to a desktop or other surface, use the Kensington lockdown equipment.
Regulatory Compliance
For compliance and safety information, see the
Regulatory Compliance and Safety Information for
Cisco 800 Series and SOHO Series Routers
document that was shipped with the router.
For wireless models, also see the
Declarations of Conformity and Regulatory Information for Cisco
Access Products with 802.11a/b/g and 802.11b/g Radios
document that was shipped with the router.
