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External 56K Flex Faxmodem
Rockwell Chipset
Model 2849/A - PC software package
Model 2848/A - Both PC and Macintosh software
Model 2845/A - Macintosh software package
Model 2855 - 56K Comstar
Model 2856 - European model
Model 2869 - European model
Model 2836A/2837A/2838A - 33.6 Flash Upgradeable

You can determine if your modem has a Lucent chipset or a Rockwell chipset by the serial number of your modem. An "L" in your modem's serial number indicates that you have a Lucent chipset. The absence of an "L" indicates that you have a Rockwell chipset. The modem's serial number is located on the bottom of external models under the barcode and on the back bracket of internal modems (near the phone jacks).

"n" is any integer from 0-9 in the following examples:
nnnn-Z2949-nn-nnL-nnnn uses a Lucent chipset.
nnnn-Z2949-nn-nn-nnnn uses a Rockwell chipset.

These chipsets differ in manufacturer only and offer the same functionality. Please note the presence or absence of an "L" in the below model #'s when selecting files for your modem. Files listed on this page for use with our Rockwell chipset products will not work with our Lucent chipset products.

Program Files

Modem Utilities Disk (.exe file) for our Rockwell chipset, K56flex and V.90, Dualmode external faxmodems. Disk includes INF files for use with Windows 95/98/ME/NT. This is a self-extracting file.

Windows 2000 INF files (.exe file) for ZOOM/Rockwell K56Flex/V.90 ISA, External and PCMCIA (PC Card) modem models. This is a self-extracting file.

Flash Files

All TSR (Terminate and Stay Resident) programs such as screen savers and anti-virus programs including any communications programs that could interfere with the flash process must be temporarily disabled before running this flash file. If the flash process is disrupted in any way, it could cause damage to the modem and necessitate the modem to be sent in for repair.

Flash Update for Model 2849, 2849A, 2848, 2848A, 2836A, 2837A and 2838A:

V.90 Upgrade for Zoom External FaxModems

K56Flex to V.90 Upgrade for the following modems:

  • External K56Flex modem, models 2845, 2848, 2849, and 2849A (external DATA/FAX)
  • External 33.6K FLASH UPGRADEABLE modem (models 2836-xx-xxA, 2837-xx-xxA, 2838-xx-xxA) WHICH HAVE ALREADY BEEN 56K ENABLED!

This program is NOT for any International, DualMode, Voice, Speakerphone, PCMCIA or Internal modem products. This self extracting file creates a flash upgrade program that runs on IBM compatible computers running Windows 95, 98 or 3.1 ONLY. A detailed readme.txt file and informative wizard are included.

NOTE: If you have upgraded from a 33.6k to a 56k modem (models 2836-xx-xxA, 2837-xx-xxA, 2838-xx-xxA), you must download and install the file called Xz1200d.exe BEFORE installing this v.90 upgrade.

Current K56Flex Code (.exe file) 244,317 bytes Date Uploaded: 2 Feb 1999

Current V.90 Code (.exe file) 219 Kbytes Date Uploaded: 12 Dec 1999
Previous V.90 Code (.exe file) 414,733 bytes Date Uploaded: 18 Aug 1998

This is the 56K Flex to V.90 flash upgrade for the external non-speakerphone faxmodem.
Australia (.exe file) Model 2869-27
Belgium (.exe file) Model 2856-08
Denmark (.exe file) Model 2856-11
Finland (.exe file) Model 2856-12
France (.exe file) Model 2856-06
Germany (.exe file) Model 2856-05
Holland (.exe file) Model 2856-13
Italy (.exe file) Model 2856-21
Portugal (.exe file) Model 2856-23
Sweden (.exe file) Model 2856-15
Switzerland (.exe file) Model 2856-07
UK (.exe file) Model 2856-03

Documentation

Quick Start Reference Guide for PC (.pdf file) for use with our Rockwell Chipset, ISA and External V.34 Plus, K56Flex and V.90 Dualmode models.

AT Command Reference Manual (.pdf file) for Rockwell chipset RCV56ACx, RCV336ACx, RCV288ACx and RCV144ACx modem families.
 

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2003/11/04 000017  2006-04-20