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Introduction
9
NI-700 & NI-900 Hardware Reference Guide
NI-900 On-Board Memory Specifications
There are two variations on the NI-900, with different memory specifications. The latest version of the
NI-900 has double the on-board memory of previous versions.
The latest version of the NI-900 is FG2105-90
Previous versions of the NI-900 are FG2105-09
TimeKeeper
The NI series of controllers use a combination lithium battery and clock crystal package called a
Timekeeper. Only one Timekeeper unit is installed within a given NI controller. The battery can be
expected to have up to 3 years of usable life under very adverse conditions. Actual life is appreciably
longer under normal operating conditions. This calculation is based on storing the unit without power in
50° C (120° F) temperature until battery levels are no longer acceptable. The part number for a
replacement battery is 57-0032.
Related Documents
For information on using the on-board Web Console, as well as NetLinx send commands and terminal
communications to configure the NI Controllers, refer to the NetLinx Integrated Controller WebConsole
& Programming Guide.
NI-900 On-Board Memory Specifications
FG2105-90 • 64 MB SDRAM (not upgradeable)
• 32 MB Flash chip (not upgradeable)
• 512 Kb of Non-volatile SRAM
FG2105-09 • 32 MB SDRAM (not upgradeable)
• 16 MB Flash chip (not upgradeable)
• 512 Kb of Non-volatile SRAM
All product documentation is available to view or download from www.amx.com.