Copy iButton’s 64-Bit Serial Number from DS1990A-F5 to RW1990

iButton’s 64-bit Serial Number(also called ID) can be copied or cloned by TM1990B software for windows along with our iButton Copier for Universal Serial Port.

This artitcle focus on the copying process only. For copy software setup process please refer to Install iButton Copy Software TM1990B on Windows XP/7(32bit)/8(32bit).

 

RW1990 writable iButton key

RW1990

ds1990a-f5 ibutton with 64-bit serial number by Maxim

DS1990A-F5 iButton

 

 

 

 

 

 

 

 

 

Prepare a DS1990A-F5 iButton key, a RW1990 key (above pictures) and an iButton copy device for serial port with Blue Dot cable as below:

iButton reader for serial port with Blue Dot cable produced by ibutton.cc

First connect copy device to serial port of the computer board as below shows:

serial port of the computer board

Now launch the program by the shortcut. (What is this about? Please refer to Install iButton Copy Software TM1990B on Windows XP/7(32bit)/8(32bit).)

ibutton copy software tm1990b execute file

 

Then, the programmer shows as below:

iButton clone software overview

Note: For copy purpose, we only focus on the red column of the program.

Put a DS1990A-F5 iButton key on the blue dot and keep holding it, then click “ROMRD”  and wait for the ID show in the first text box as follow:

copy ibutton from ds1990a to rw1990 step 1

Then click the “Write ROM”button  and wait until the ID show in the ROMID box as following:

copy ibutton from ds1990a to rw1990 step 2

Still keep the key holding in the Blue Dot then click “ROMReadContinu” and the START is selected as follow:

copy ibutton from tm1990a to rw1990 step 3

Now take off the DS1990A-F5 key from and put an RW1990 key on the Blue Dot. Now first click “Write Rom” and then click “ROMReadContinu” until the STOP box is selected as following:

copy ibutton from tm1990a to rw1990 step 4

Now the copying process is complete.

 

The RW1990 key now has the same ID as the DS1990A-F5 iButton key as shown from 1-Wire Viewer as below:

ibutton copy complete with same id by 1-Wire Viewer

 

 

About iBUTTON CC

iButton CC is an Integrated High-Tech Which Includes Development, Production, Distribute and Trade. We manufacture & supply iButton, Dallas keys, iButton readers and iButton probes. We offer Chinese domestic ones as well as products by Maxim Integrated. Take a visit to our website iBUTTON.CC for more product detail.