1571 installation
#2
SUPER-CARD+ INSTALLATION FOR 1571

The installation of a SUPER-CARD+ board in a 1571 will require soldering
experience. If you are not capable of de-soldering an IC chip from a
circuit board, DO NOT ATTEMPT THIS INSTALLATION! Seek the help of an
experienced electronics or computer repair technician.

Installation service is also available through Utilities Unlimited, Inc.
If you would like us to install the SUPER-CARD+ board into your drive
(reguardless of drive type), just send in your SUPER-CARD+ board, your disk
drive that it is to be installed into, and a $15.00 installation fee. The
whole package will be returned to you within 4 working days (from the time
we receive it). It will be returned to C.O.D. freight. This means that
you pay for the postage to get it back to you the day you receive your
package.

1 - After removing the case and setting the screws aside, remove the plug
that comes from the metal power supply 'cage'. This plug is marked as
CN1 on the circuit board. Now, remove the four screws that hold the
power supply in place and set them and the power supply aside.

2 Remove all of the plugs labeled CN2-CN7. Now, remove the four screws
that hold the drives mechanical section in place and set them and the
mechanical section aside.

3 - If by chance (which is VERY slim), you have a socket underneath the
6502 IC (U1) then you will not have to desolder the 6502 IC. Just
remove it from its socket and proceed with step 7.

4 - Remove the screws that hold the circuit board in place, and take the
board out of the plastic housing. You will notice that the circuit
has a metal shield on the bottom of the circuit board. This shield
must be removed.

5 - Locate the 6502 IC (U1) and CAREFULLY desolder the IC from the circuit
board. You will need this chip, so DONT destroy it! Now, solder a
40 PIN low-profile socket in place of the 6502 at location U1.

6 - Install the 6502 into the socket that you just put in (Note notch
position when installing it). Re-assemble everything except for the
case halves. Turn on power to the drive. The GREEN LED should turn on
and then go out (like the normal power-up procedure). If the LED DOES
NOT go out, then shut off the drive IMMEDIATELY! Re-check your work
and trying it again. If it never seems to work, try installing a new
6502 IC, as you may have damaged it when removing it (from
over-heating the chip). If all goes well then dis-assemble the drive
until you have just the circuit board and the plastic housing.

7 - Now that you know where the 6502 is, remove it and place it ON TOP
of the SUPER-CARD+ board. The notch (indent in one end of the IC)
should be closest to the edge of the board (facing opposite of the
three little chips).

8 - Plug the ribbon cable into the socket where the 6502 was located. Make
sure that the cable connector is plugged into the socket with the
connector facing the SAME way as the 6502 was prior to its removal.
See figure 4A.

9 - Now, solder a 12" piece of wire from the SUPER-CARD+ board at the
location marked '71'.

10 - Remove IC-U20. It will be a 6526 or 8521. Locate PIN 23 and SLOWLY
slowly bend this pin out to the side enough so that when you re-
install the IC, the leg does NOT go into the socket.

11 - Solder the other end of the wire from the SUPER-CARD+ board to PIN 23
of IC U20.

12 - Before re-assembling your drive, you may want to add the speed control
adjustment at this time. (Print out the SEQ file on installation)

13 - Re-assemble the drive. Remember to route the cable away from the
motor mechancism (it could drag on the motor). The SUPER-CARD+ board
will fit neatly inside on the left hand side of the drive mechanism.

14 - Re-assemble the entire drive and run the TEST program on the disk.
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Messages In This Thread
1571 installation - by admin - 12-21-2013, 10:53 PM
RE: 1571 installation - by admin - 12-22-2013, 02:25 PM
RE: 1571 installation - by admin - 12-22-2013, 02:25 PM
RE: 1571 installation - by nwcmdusr64 - 05-14-2014, 10:05 AM
RE: 1571 installation - by admin - 05-14-2014, 07:46 PM
RE: 1571 installation - by meistro - 06-19-2015, 02:44 AM
RE: 1571 installation - by admin - 06-19-2015, 10:39 AM
RE: 1571 installation - by Blitvig - 03-21-2016, 01:15 PM
RE: 1571 installation - by admin - 03-21-2016, 01:54 PM
RE: 1571 installation - by Blitvig - 03-21-2016, 02:10 PM
RE: 1571 installation - by admin - 03-21-2016, 08:52 PM
RE: 1571 installation - by Blitvig - 03-23-2016, 01:07 PM
RE: 1571 installation - by Blitvig - 03-23-2016, 04:05 PM
RE: 1571 installation - by admin - 03-23-2016, 07:03 PM
RE: 1571 installation - by Budking314 - 07-11-2017, 01:07 PM
RE: 1571 installation - by admin - 07-11-2017, 03:31 PM
RE: 1571 installation - by Budking314 - 07-12-2017, 03:36 AM
RE: 1571 installation - by admin - 07-12-2017, 07:43 AM
RE: 1571 installation - by Budking314 - 07-13-2017, 01:45 PM



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