3Com 56K manual Working with Memory, NVRAM, and Flash memory

5

WORKING WITH MEMORY

This chapter contains information about:

■Saving a phone number to NVRAM

■Working with Flash Memory

You can upgrade the software held in Flash memory by performing a software download. See Chapter 3, Upgrading your Software, for more information about performing a software downloads.

Overview	Business Modems contain three types of memory that you can interact
	with: random access memory (RAM), nonvolatile random access memory
	(NVRAM), and Flash memory.

Memory type	Applies to	Loss of power will	Command
RAM	The current settings.	Cancel any changes you	ATI4
		make. To save settings
		before resetting the modem,
		use &W. See the section
		Working with RAM for more
		detailed information.
NVRAM	Saved settings (any	NOT affect your settings.	ATI5
	configurations you
	can store, retrieve,
	and change).
Flash	Three templates of	NOT affect your settings.	Not
	permanent settings	You can retrieve the	applicable.
	(the Business	permanent settings, and
	Modem’s operating	save them to NVRAM, but
	software).	you cannot alter them.