5 WORKING WITH M EMORYThis chapter contains information about:n Saving a phone number to NVRAMn Working with Flash MemoryYou can upgrade the software held in Flash memory by performing asoftware download. See Chapter 3, Upgrading your Software, for moreinformation about performing a software downloads.Overview Business Modems contain three types of memory that you can interactwith: random access memory (RAM), nonvolatile random access memory(NVRAM), and Flash memory.Memory type Applies to Loss of power will CommandRAM The current settings. Cancel any changes youmake. To save settingsbefore resetting the modem,use &W. See the sectionWorking with RAM for moredetailed information.ATI4NVRAM Saved settings (anyconfigurations youcan store, retrieve,and change).NOT affect your settings. ATI5Flash Three templates ofpermanent settings(the BusinessModem’s operatingsoftware).NOT affect your settings.You can retrieve thepermanent settings, andsave them to NVRAM, butyou cannot alter them.Notapplicable.
