Motorola flip-phone programming cable diagram

25 pin D-plug(P.C. LPT1)                     Phone Back(battery removed)        
                                                                                
Pin            Diodes             Battery terminals--> [] [] []
                                                           |                    
 2.--black----|<1n4001-------------------------------------|                    
                                                            \                   
                                                             \black fly lead
                                                              \
                             Data plug---> |    |    |    |    |  |  |    | 
                                           |    |    |    |    |  |  |    | 
                                         white  /   blue  /  yel    red     
                                          /    /    /  green  /      /       
                                         /    /    /    /    /      /        
18.--white----Neg 8-12V-----------------/    /    /    /    /      /         
             +8 to +12V---------------------/    /    /    /      /          
13.--blue---------------------------------------/    /    /      /           
12.--green------------------------------------------/    /      /            
 1.--yellow---------------------------------------------/      /             
 4.--red------|<1n4001----------------------------------------/              
                                                                                
NOTE Diode protocol: Kathode---|<diode---Anode                                  








Here's ANOTHER VERSION of this cable. It looks pretty much the same to 
me, but in case YOU DON'T GET IT:


==============================================================================
||                                                                          ||
||                    FLIP_CBL.CT   -   9746  -  02/07/94                   ||
||                                                                          ||
||           Assembling a _QUALITY_ Motorola Flip programming cable         ||
||                    from a standard battery eliminator.                   ||
||                                                                          ||
||                      Written by KG/Control Team/Umf                      ||
||                                                                          ||
==============================================================================

     Word.  It seems that alot of bad cables are being sold by some lame asses
here on the west coast.  The result, alot of _rare_ LO phonez are being fried.
Welp,  this  file should clear things up.   Even if you've never made anything
but clay pots this should be easy for ya.  Take your time and this, along with
your phone will last a lifetime...

                      Parts:  (1) 550 Battery Eliminator
                              (2) IN4001 Diodes
                              (1) Head pins(single row straight stick headers)
                              (1) DB25/RS232 Connector for connection to LPT1
                              (1) METAL DB25 cover/protector
                              (1) 1 1/2 foot of 5 line ribbon
                              (1) jumper wire (be creative)

                      Tools:  Sizzors (I like sizzors for splicing wires)
                              Soldering Iron
                              Hot glue gun (borrow mom's)
                              Exacto knife (optional)
                              DMM w/continuity

     I'll try and be as  verbose as possible.   All  references to the plastic
part that connects the phone  to the cable will be known here as the  ADAPTER.
The hardest  thing to  find, at  least in  where I am, is a battery eliminator
that has all  8 pins on the  ADAPTER.   So if ya do have a cable  with all the
pins you can  skip this  paragraph.    What I did was to go  ahead  and  shell
out the 35 duckets for a battery  eliminator that only had pin's 7 & 8 (power)
on the ADAPTER.   Go to you  local electronix  shop and pick up a pack of head
pins. These  puppies are the EXACT same thing as what's in the ADAPTER,  'cept
their nickel instead of copper.  Cut 4 of them off the plastic but be carefull
not to bend them when you do so.

     Carefully pry off the  cover of the  ADAPTER  and use the exacto knife to
get the pins  and attatched  wires out of the  cover.   Otherwise  you'll  end
up  melting the  cover,  and trashing  the project.  Now  de-solder the  wires
connected to pins 7 & 8, wrap then with 2 of the ribbon's leads then re-solder
them  back to the  same pins.   Once  again,  be  carefull  not to  bend them.
Now  solder the other  4  ribbon lead to the pins 1, 4-6.   Now  carefully put
each  pin  back into the  ADAPTER cover,  if some of the holes are filled with
resin (batt eliminator),  simply push an  _extra_  bridge pin thru to get that
shit out!  Make a note of their colors, then take the  DMM and and go over all
the connections, making sure that no pin one pin on  the  ADAPTER is _touching
another:  1-4, 2-8, 4-6 ect...   * note that  pins 7 & 8 will show values from
due to the voltage regulator inside the ciggy plug.

    Fire up that hot  glue gun and  place some on the cover to make sure those
pins/ wires / solder don't move around  when ya put the ADAPTER back together.
Don't put too much on or you wont be able to close it.   Wait a min or 2 until
that dries, then throw some glue into the ADAPTER and quickly close it up.







    As for the DB25 you shouldn't have any trouble.  Just make sure you solder
the Diode to the wire before soldering it the the port.  Remember parallel pin
specs are not the same as serial!!

    The  following is a diagram of a  DB25 connector (soldering side). The "*"
marks the plain  wires,  "@" marks placement of the diodes,  and the "+" marks
where the jumper connects to the anode side of diode one:


                                                           +
              13  12  11  10   9   8   7   6   5   4   3   2   1
               *   *   .   .   .   .   .   .   .   @   .   @   *

                 .   .   .   .   .   .   .   *   .   .   .   .
                25  24  23  22  21  20  19  18  17  16  15  14





    Connect the cathode(black striped) side of the IN4001 to the port!!!!

                        Cathode              Anode
                        -------   |    /     -----
                                  |   /|
                                  |  / |
         LPT1/pin4 or 2   ________| /__|_________    ADAPTER pin 1
                                  | \  |             or Jumper wire
                                  |  \ |
                                  |   \|
                                  |    \

                                  IN4001
                                                   (educational innit?)


                               ____________
                              / !THE SHIT! \
                             /              \
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+                                                                            +
+                                                                            +
+ DB25        FLIP                                  Battery Eliminator cable +
+ ----        ----                                  attatchment pins up:     +
+   1(--------)4                                                             +
+                                                     --------=              +
+   2(--|<----)Jump this line to the Center                1  =              +
+              Pin on the back of phone.              --------=              +
+                                                             =              +
+   4(--|<----)1   "|<" is the IN4001 diode.          --------=              +
+                                                             =              +
+  12(--------)5                                      --------=              +
+                                                          4  =  -->To phone +
+  13(--------)6                                      --------=              +
+                                                          5  =              +
+  18(-+------)8                                      --------=              +
+      |                                                   6  =              +
+      |    +-)7                                      --------=              +
+      |    |                                              7* =              +
+      |    |                                         --------=              +
+      |    |                                              8* =              +
+     NeG  PoS ---Cig adapter                         --------=              +
+                                                                            +
+                                                                            +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++



     This cable  will work with the 6.6, 9.11 & 9.9 software.  This means that
without  a) AMPS  or  b) The Trick Clip  you'll need to find a Flip that has a
firmware  revision  equal to or below 9122.   A good  sign  that the  phone is
indeed a LO, is to check the ESN located on the  back and  look for any prefix
below A2A.   If  you can't locate the  ESN sticker, usually cause it's stolen,
then look  for a MCsquared printed along with the menu sticker.   If the phone
has the MC2 don't buy it.   If the phone doesn't  have the menu  sticker don't
buy it!  Also before you fork over the $$$ make sure that all the ports on the
phone are in good condition.

     Some people may experience  problems with 486 machines.  I'm looking into
slowing the shit down in order for the phone to respond.  One way is to divide
your  BIOS bus clock by 6,  another is to load a  TSR that actually slows your
CPU,  although I haven't yet  found this to work for me.   286-386  processors
work fine.  Short cables are a must!