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Commodore 64 64C SX DX 128 128D 128-DCR FULL Diagnostic Test Harness For Sale


Commodore 64 64C SX DX 128 128D 128-DCR  FULL Diagnostic Test Harness

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Commodore 64 64C SX DX 128 128D 128-DCR FULL Diagnostic Test Harness:
$80

COMMODORE MULTI SYSTEM DIAGNOSTIC HARNESS
The new design now works on the following systems
C64 64C
SX64 DX64
C128 128D 128DCR
NTSC AND PALThis sale is for one of our Coprolite Commodore multi-unit test harness
Commodore 64 , 64C, SX-64, DX-64 C128 , C128D and C128-DCR Multi- unit Diagnostic Test harness kit with ribbon cableworks on both NTSC and PAL systems this is based 100% off of the Factory test harness but we redesigned it for a new lookCustom Made By Coprolite Computer By-Products (that's us By the way)
This item is an extremely hard to find diagnostic tool used for trouble shooting and repairing malfunctioning Commodore 64's & 128's (C64, C64C, SX-64, DX-64, 128, 128D, 128-DCR)
YOU WILL GET ONLY THE HARNESS PICTURED NOT THE COMMODORE BOARDS WE USED IT TO TEST AND ILLUSTRATE HOW EASY IT IS TO HOOK UPThis Kit Includes
1 Cartridge with 64 and 128 mode with the push of a button #586220 #789010 #588220
1 Full loop back harness for use on the 64 , 64c SX-64 DX-64 and 128 128D 128DCR attached to the user port
1 tethered serial dongle for use on the 64 , 64c SX/DX and 128 128D 128-DCR
1 set of keyboard dongles for use on the 64 , 64c, SX/DX
1 set of keyboard dongles for use on the 128,128D and 128-DCR
NOTE: pdf manual for this item can be found here:Please downolad and read the manuals.
C64: for use: on a 64 , 64c
#586220
Harness is plugged into user port (select 64 mode), Serial port, cassette port, both control ports (joystick ports)
Keyboard dongle is plugged into the keyboard port
Cartridge is plugged into cartridge port and set to 64 mode
Hook up your power and monitor and turn unit on
(check that proper LED is lit up indicating which mode user port cartridge is in)
and allow time for it to run its tests which it will then display on screen for you.
The 64 assembly does the following tests
Zero page
Stack page
Screen ram
Ram test 1
Ram test 2
PLA
Color ram
Kernal basic
Character rom
Cassette port
Keyboard matrix
Control port (joystick port)
Serial port
User port
Timer 1A/1B 2A/2B
Interrupt
Sound ,Sid test (for sound and X and Y for mouse, light pen,paddles and so on )Directions for use: on a 128 / 128D 128DCR
#789010
Harness is plugged into user port (select 128 mode), serial port, cassette port, both control ports (joystick ports)
Cartridge is plugged into cartridge port and set to 128 mode
Hook up your power and monitor and turn unit on
(check that proper LED is lit up indicating which mode user port cartridge is in)
and allow time for test to start THEN plug the keyboard dongle into the keyboard portAllow time for it to run its tests which it will then display on screen for you.
The 128 assembly does the following tests
Zero Page
Stack Page
Screen Ram
Color Ram
Hi Ram Bank 0
Hi Ram Bank 1
Lo Ram Bank 0
Lo Ram Bank 1
Kernal Rom
Basic Lo Rom
Basic Hi Rom
Character Rom
PLA
Cassette Port
Keyboard Matrix
Control Port (joystick port)
Serial Port
User Port
Timer 1A/1B 2A/2B
Interrupt
Sound ,Sid test (for sound and X and Y for mouse, light pen,paddles and so on the 128DCR you must do a drive disable mod for the harness to work ****more info on the mod here for use: on a SX-64/DX-64
#588220
Harness is plugged into user port (select 64 mode), serial port and both control ports (joystick ports)
Keyboard dongle is plugged into the keyboard cableremove top cover, and unplug plug at P-11
Cartridge is plugged into cartridge port and set to 64 mode
Hook up your power and turn unit on and allow time for it to run its tests which it will then display on screen for you.
The SX64 assembly does the following tests
Zero page
Stack page
Screen ram
Ram test 1
Ram test 2
PLA
Color ram
Kernal basic
Character rom
Cassette port(will display as open)
Keyboard matrix
Control port (joystick port)
Serial port
User port
Timer 1A/1B 2A/2B
Interrupt
Sound ,Sid test(for sound and X and Y for mouse, light pen,paddles and so on )SX64 / DX64, PLEASE NOTE WILL ONLY WORK WITH FACTORY KERNAL ROM ANY AFTER MARKET ROMS SUCH AS JIFFYDOS WILL CAUSE ERRORSThe included links to the manuals that explains all of this in detail.
We have also included a picture of what this test result would look like with both a failed test before repair was executed and again after repair had been done once diagnostics determined issue.Will work on c64 , 64C , SX-64, DX-64, 128 , 128D , 128DCR
WE have both the normal grey cable and rainbow colored cable harnesses I AM SELLING IS A FULL LOOP BACK SETUP THAT DOES TEST THE COMPUTER AND IS WHAT COMMODORE TECHS USED TO FIX THE COMPUTERS
This harness will only function if the 64/128 is able to boot, even with issues it still must be able to boot up to use this device.Do not be fooled by other sellers selling a single cartridge claiming it is a full system tester ...it is ARE MOST HAPPY TO ANSWER ANY AND ALL QUESTIONS PROMPTLY AND COURTEOUSLY.
PLEASE DO NOT HESITATE TO CONTACT US WITH ANY QUESTIONS CONCERNING THIS ITEM, If you bought a commodore from someone else only to find untested means broken, or if your commodore has issues and you want to repair it yourself, then this is the tool you need!
We repair most all Commodores and Commodore related drives and accessories
We also sell many replacement parts that allow you to repair and restore your vintage Commodore equipment.Please feel free to ask for more details.
Please see Pictures for better details you will get the items pictured in picture 1 not the 64/128 boards pictured in the other pictures which were used only to illustrate how easy it is to hook up this handy little tool.If you are looking for a anything specific contact us to see if we have what you are looking for. My Commodore stuff is ALWAYS TESTED My commodore Items ALWAYS WORK
Yes you may find cheaper on , but are they tested do they work ?please Sign up for my email newsletters by adding my store to your FavoritesI ship within 4 days of payment cleared Monday through Friday. No Shipping on Weekends, or holidays (because those days are for us)
Packing/handling fees plus delivery confirmation are in total shipping costs All packages come with Delivery Confirmation this is not a tracking number but proof of delivery
Commodore Commodore Commodore

International Buyers – Please Note:

Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.

Please check with your country's customs office to determine what these additional costs will be prior to offerding or buying.
Although the system says USPS first class is 2 to 5 days for delivery this is out dated information..I have been told by a USPS Post master, that first class has been changed to 7 to 10 days and that if my customers want it faster than that they must pay for priority or Express shipping.. We ship as quickly as we can and we apologize for any confusion that arises from the differing information provided by the system and the reality of the situation.. If you fail to receive a package when says you should have Please don't panic! we have been doing this for a long time and have never had a package lost or fail to make it to it's destination. It isn't perfect but I have faith in my postal service and ask you do as well...

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