5
W
ORKING
WITH
M
EMORY
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
make. To save settings
before resetting the modem,
use &W. See the section
Working with RAM
for more
detailed information.
ATI4
NVRAM
Saved settings (any
configurations you
can store, retrieve,
and change).
NOT affect your settings.
ATI5
Flash
Three templates of
permanent settings
(the Business
Modem’s operating
software).
NOT affect your settings.
You can retrieve the
permanent settings, and
save them to NVRAM, but
you cannot alter them.
Not
applicable.
Содержание U.S. Robotics 56K Voice
Страница 1: ...http www 3com com 3Com OfficeConnect 56K Business Modem Command Reference Published January 1999...
Страница 14: ...4 ABOUT THIS GUIDE...
Страница 32: ...1 18 CHAPTER 1 CONNECTING TO YOUR ISP...
Страница 42: ...3 6 CHAPTER 3 MODES OF OPERATION...
Страница 64: ...7 4 CHAPTER 7 CONTROLLING EIA 232 SIGNALING...
Страница 72: ...8 8 CHAPTER 8 CONTROLLING DATA RATES...
Страница 80: ...9 8 CHAPTER 9 ACCESSING AND CONFIGURING THE BUSINESS MODEM REMOTELY...
Страница 96: ...11 6 CHAPTER 11 FLOW CONTROL...
Страница 108: ...12 12 CHAPTER 12 HANDSHAKING ERROR CONTROL DATA COMPRESSION AND THROUGHPUT...
Страница 112: ...13 4 CHAPTER 13 DISPLAYING QUERYING AND HELP SCREENS...
Страница 124: ...14 12 CHAPTER 14 TESTING THE CONNECTION...
Страница 132: ...15 8 CHAPTER 15 TROUBLESHOOTING...
Страница 162: ...B 14 APPENDIX B ALPHABETIC COMMAND SUMMARY...
Страница 168: ...C 6 APPENDIX C FLOW CONTROL TEMPLATE...
Страница 210: ...14 GLOSSARY...