We offer a complete inventory of Atari ST Computer repair / replacement parts (down to component level, Switches, I.C. Chips, ST Mouse parts, plastics....) as well as complete computers and replacement Motherboards.  Not all of the hundreds of different Atari ST computer replacement parts we carry are listed here.  If you do not see the Atari ST part or items you are looking for see the Best Rev. 10 Catalog or E-Mail us at: bestelec@concentric.net 

 

     

Atari 520ST, 520STFM,1040ST and 1040STE Computers. 68000 Microprocessor with built in 720K disk drive (not on 520ST model), MIDI  serial/parallel ports

CB102867   New Atari NTSC / US 1040ST Computer with English Owners Manual,110V Power Cord and STM1 Mouse $395.00
CB102867-RE  Reconditioned 1040ST NTSC with English Owners Manual,110V Power Cord and STM1 Mouse (down to the last few of them) $330.00
CB102986 New Atari NTSC / US 520STFM Computer with Built in RF Modulator (US TV output), English Owners Manual,110V Power Cord and STM1 Mouse $275.00
CB101345 New Atari 520STFM internal SSDD Floppy Disk Drive drive belt $9.95
CB102871  Atari NTSC 1040STE Computer Reconditioned1 Meg Ram (User Upgrade able to 4 Meg), with English Owners Manual, 110V Power Cord and STM1 Mouse.   $495.00
CB101630 Atari 520STE / 1040STE / MegaSTE 1 Meg 30 pin upgrade SIMM Memory          $10.00ea

 

Wade R. of SC  Buy his very very low Best Customer number, we can tell Wade has been a Best Atari Customer for over 20+ years now. 

Wade contacted Best about 1/2 month ago, looking for a Reconditioned Atari 1040STE computer that he wanted to be upgraded to 4 Meg of memory (Atari's official name / model for that Atari 1040STE computer upgraded to 4 Meg of memory is 4160STE)  At that time we told Wade there was a couple weeks delay / wait on getting an Atari 4160STE Computer for him.  Wade put in an order for one.  "Thanks for the timely delivery of my new 4160STE.  The unit looks simply amazing and works flawlessly - both are attributes Iíve come to expect from Best over the years!  Thanks again for great service and a great product!"

Andrew R. of NY   Andrew contacted Best Electronics because he was looking for an Atari 1040STE computer in prime shape.  Andrew said he was going to use the Atari 1040STE computer a little, but when it was not being used, he planned to put it into a clear show case, as an Atari ST Display / Museum computer.  We suggested to Andrew get one of Best Reconditioned Atari 1040STE computers.  We also told Andrew, we could upgrade his reconditioned 1040STE from 1 Meg of memory up to 4 Megs of memory and upgrade the stock 1040STE TOS operating system to the last TOS Atari made TOS 2.06.  Both 1040STE upgrades Robert went with on his reconditioned Atari 1040STE.  Best also installed one of the official 4160STE labels (Atari official model number for a 4 meg 1040STE computer) on his upgraded STE Computer.  "Just a quick note to say I received the machine in perfect condition (A1 on the packing, this is how it should be done!) and it works great!"

Ashton H. of NC   Ashton's second Atari order from Best, he got a Reconditioned Atari Jaguar CD Player and Reconditioned Atari 1040ST Computer.  "I received the Jag CD and 1040STF. Wow is all I can say they look brand new especially the 1040 next to my old yellowed one I've been using the past few years."

Matt P. of PA  Matt contacted Best Electronics about a half month ago, looking for one of our reconditioned

Atari 1040STE computers.  We explained to Matt, that we did not have any on the shelf ready to ship out. Our 32+ year Atari Super Tech was swapped with more Atari work than he can do 7 days a week here for the last year+ (one of the reasons why we did not have any on the shelf ready to ship out).  We told Matt it would be at least a half month before we could ship him one.  He put one on order. "Brad, arrived from you today one Atari STE. Wonderful!  It is in perfect condition. It's as if I went back in time to buy it. Remarkable. Thank you so much."

Follow up Comment: "Best Electronics are apparently capable of miracles. The Atari STE I bought looked brand new and works like a dream. They also have some amazing items of stock most ST fans wouldn't have dreamed they could acquire 25 years ago - the diagnostic cart, a VGA adapter, the STacy. Highly recommended!"


ST / 520STFM / 1040STF English version Owners Manual 97 Pages   

CB101485   

$10.00

ST / 520STFM / 1040STF French version Owners Manual 118 Pages   

CO26406     

$10.00

Atari 520ST / 520STFM / 1040STF US / NTSC Field Service Manual.  Sections Covered:  Introduction Case Design-Power Supply, Theory of Operation-Main System-Audio/Video subsystem, Input/Output, subsystems-System Startup Errors-Functional Block Diagram-System clock diagram, Testing Overview/Test equipment Test Configuration-Troubleshooting a dead unit Diagnostic-Error Codes-Test Harness Hooks -up Diagram, Disassembly/Assembly -1040, Disassembly/Assembly 520ST, Symptom Checklist, Diagnostic Flowcharts, Parts Disassembly/Assembly Drawings, Schematics and Slick-screen and Glossary.  80 pages CB101474 $40.00

New World II 4 Meg Memory, SIMM type Upgrade, for ST/520STFM/1040STF computers

CB101935  

$99.00

Marpet 4 Meg Memory, SIMM type Upgrade, for ST/520STFM/1040STF computers

CB101935-UK  

$89.00


Program Design Techniques for the Atari ST by Paul Overaa.

Paul Overaa has been programming in Basic, C and Assembler for nearly two Decades.  He has worked with hundreds of computers including Atari, Commodore and Apple. In this book he has focused his attention on the Atari ST computer.

Subjects covered include:

361 page wire spiral bond book  CB102103  $29.95

Atari ST Battle Zone game for 520ST, 1040ST, MEGA 2/4 and 1040STE computers.  Six skill levels, one or two Atari Joysticks.  Will run on Atari ST Color Monitors and also on ST Monochrome displays.   DS5020  $29.95  Special buy $10.95

Atari ST Cracked Game for 520ST, 1040ST, MEGA 2/4 and 1040STE computers.  As a professional Ornithologist you're thrilled to find out that some rare South American Hornbills have nested in your "old yolk tree"  But while the hornbills are out feeding, a group of mischievous bluebirds, owls and snakes begin raiding their nests and stealing eggs. You get your trusty slingshot and begin hitting the marauding creatures.   Three skill levels, five exciting game scenes, plug Rooster Ranch bonus round.  One ST Player using your Atari ST mouse and color ST monitor.  DS5080 $20.00  Sale price $10.95

 

 

 

 

 

 

 

 

 

 

The Atari STM1 Original Atari ST mouse shipped with the Atari 520ST, 520STFM, 1040STF, 1040STFM computers.  CB102505 $39.95

                                                                                 

 

 

 

Best Electronics TrueMouse, Replacement Mouse for the Atari STM1 Stock Mouse.  The TrueMouse has been our bench mark Replacement ST mouse for over 15+ years now.  Thousands of World Wide Atari ST owners have found, once you switch over to a Best ST TrueMouse, you will never go back to the Stock Atari STM1 mouse ever again.  Same over all physical size as the stock Atari STM1 mouse except a slightly lower and more comfortable profile with a back end of the mouse which is round in shape Not square with sharp corners!, Extra Wide Left and Wide Right mouse switch covers similar to the stock Atari mouse so it will fit all size hands and also has a tactical raised lip between the Left and Right switch covers, Extremely Positive Feeling Industrial Grade Micro / Mouse switches which are rated at a minimum of 1,000,000 operations per switch with only 120 grams operating force, Tracking resolution of 200 DPI, Opto-Mechanical Encoder Design, 5 1/2 Foot mouse cord, replacement TrueMouse parts available from Best and FCC Class B Approved. CB102079 $34.95

 

"The Best" Trackball for ST / STE / MegaSTE / Stacy / TT / Falcon computers. Features like its small foot print (4 1/8 inch X 6 1/8 inch), tactical raised lip / line between left and right mouse switches, Positive feeling Industrial Grade Micro / Mouse switches rated at minimum of 1,000,000 operations per switch with only 120 grams operating force, 200 Dots Per Inch (DPI) Resolution, a great smooth Thumb action ball and the only Trackball with easily removed ball locking ring for easy cleaning makes this Trackball "The Best". Although a Trackball is a Personal Choice type interface device, All ST, Midi and Desk Top Publishing Atari users who use a Best Trackball Agree, once you use a Best Trackball and Like it, you will Never go back to a mouse again!  Now Atari ST / Commodore Amiga Switchable, two Trackballs in one! CBT1  $45.95

 

Atari 520STFM / 1040STF / 520STE / 1040STE / Falcon ST Computer Owners.   Did you know that one of the reasons for the high failure rate of Atari 520STFM / 1040STF / 520STE / 1040STE / Falcon Mouse / Joystick Ports is caused by the constant plugging in and unplugging of Atari ST Mouse and Atari Joystick connectors into the mouse ports under your ST computer, depending on the ST game requirements?  Once the Atari ST mouse port is damaged or starts to act flakey, it requires you dissemble your ST Keyboard and either replace the ST DB-9 Mouse port damaged connector or touch up the bad Solder pads around the DB-9 connector pins inside the ST Keyboard PCB, which is about a 1 hour project if you can solder.   You can eliminate this problem from ever happening to your ST computer by using Bests short fully molded 12 inch Male to Female ST Mouse / Atari Joystick port extension cable.   You just leave this short Mouse / Joystick extension cable permanently plugged into your ST Mouse or Joystick port connector under your ST computer and plug and unplug your ST Mouse and Joysticks into the part of the Mouse Port Extension cable female connector that hangs on the outside of your ST computer.   CB101284 $6.00 

Atari STM1 Rebuild Kit.  Rebuild your order worn out Atari STM1 mouse and keep it as a back up ST mouse.  Kit includes, a new Atari OEM STM1 Mouse cable, two new Internal Atari Mouse switches, four better than stock Best's thicker STM1 Mouse new Teflon replacement feet and new a mouse ball.  Over the years Atari had about 5 to 7 different manufactures make the same STM1 mouse for them.   Each version mouse looks the same from the outside but differs on the inside and bottom locking plate construction.  All STM1 rebuild kits require ability to unsolder and solder in the replacement new mouse switches and one case the cable too.  To configure the correct Atari STM1 Rebuild kit for your exact version old STM1 mouse.  We need the following questions answered from you:

1.  Where your STM1 mouse was made (one version, does not have a country listed).  Usually listed on bottom label?

2.  Do you have slide and snap in or Round twist and lock mouse ball locking plate?

3.  Do you have Steel, Brass or Plastic internal Ball contact rollers?

4.  Size of your STM1 Mouse ball, 22 mm (3/4 inch) or 25 mm (1 inch) Diameter?

5.  Size of your SMT1 Mouse Internal Switches, 1/4 or 3/8 inch square?

6.  Internal STM1 Mouse cable female (and the Male mating) connector Color, Tan, White, Black or in one case wires soldered directly to the STM1 mouse PCB board?

Best STM1 Rebuild Kit.  CB101298  $19.95

Also in stock for the Atari STM1 mouse, Bottom Mouse Ball Locking plates, Internal sets of Photo Optics (matched set of 8) and SMT or Dip version LM339 I.C.

Best's STM1 Mouse new Teflon replacement feet with adhesive backing.  These Best designed and produced upgraded Atari STM1 replacement mouse feet (very light off white to light blue color), have a Teflon pad thickness about twice as thick, compared to the Stock made Atari STM1 OEM mouse feet.  In theory should last twice as long as the Original STM1 mouse feet.  CB101114  $5.00  per set of 4 feet


"TT" Touch "The Best" upgrade for the 520STFM / 1040STF / 1040STE / Falcon 030 Keyboards By Best Electronics. Improved High Grade Replacement Internal Silicone contacts firms up and gives you a Tactile bounce back on each 520STFM / 1040STF / 1040STE Keycap. Upgrades your Mushy 520STFM / 1040STF / 1040STE keyboard to the Atari TT / High grade P.C. type key board standards, an amazing difference compared to the stock ST / STE Keyboards. A must for ever Touch Typist! Set of 95 contacts for all world wide 520STFM / 1040STF / 1040STE version Keyboards, only a #0 Phillips screw driver required for installation! CB101980     $44.95  Special Buy!!  $21.95

Matt M. of WA  On placing his 3rd in a row Atari order for the month of May with Best Electronics, Matt wanted to order the Mega Touch ST Keyboard Key Cap springs that stiffen up the mushy ST keyboard key caps.  Best recommended that he would be much better off getting the Best TT Touch 1040STE Keyboard internal Silicon upgrade cups.  "Installed those rubber cups on my STEís keyboard this morning ó BIG improvement! Thanks!"

Brian R. of KS  "Got the TT-touch installed yesterday and they work wonderfully!!"

Jason F. of UT  Jason purchased Best Electronics TT Touch internal silicon cups that upgrade Atari 520ST, 520STFM, 1040ST, 1040STE and Falcon Atari Computer Keyboards.  The easy to install TT Touch product will remove the ST / Falcon Mushy Key caps and end up with a high grade tactical feedback PC feeling Atari ST keyboard  "I have to say the TT Touch I installed into my Falcon is premium work, I can tolerate typing on it now! Certainly, definitely a worthy product to back"

Mega Touch Now one of those Must Have Upgrades for all 520STFM / 1040STF / 1040STE Owners! 520STFM/1040STF/1040STE/ 4160STE "Mega Touch" keyboards springs Firms up mushy ST keyboard key caps. One full ST keyboard set of springs. CB101634 $9.95

520STFM / 1040STF Dust Cover
This Custom made 520STFM / 1040STF Dust Cover is made of a Clear Translucent light weight textured vinyl with reinforced edging. 18 3/4 inches x 11 3/4 inches x 2 3/4 - 1 5/8 inches approximately.  CB101102  $12.95

Atari 520ST/1040ST English Owners Manual CB101485 $12.00

1040STE / 4160STE English version Owners Manual with Addendum.  Includes ST Owners Manual. (CB101485) and STE Addendum. CB101873  $12.00

520STE / 1040STE / 4160STE Dust Cover.
This Custom made Dust Cover with side cut outs for the STE Analog Joystick ports, is made of a Clear Translucent light weight textured vinyl with reinforced edging. 18 3/4 inch X 12 inch X 2 3/4 - 1 5/8 inch approximately. CB101102  $12.95

520STE / 1040STE / 4160STE    Clear Keyboard Protector / Overlay  For your STE keyboard. This clear, flexible skin covers the keys of your keyboard but lets you See and Type through it. Used to protect your STE keyboard from dust, liquids, metals and other small items that could fall into your keyboard and damage it. CB102419  E-Mail us at bestelec@concentric.net 

Megamater Cable for the 520STFM, 1040ST, 1040STE / 4160STE This short inexpensive cable assembly (8 pin connector to 6 pin Phone jack) allows you to interface a complete Mega free standing Keyboard assembly (Best part # CB101513 keyboard + CB101539 keyboard cable) to your STFM / STE computer. All you have to do is unplug your STFM / STE internal keyboard connector, plug in Megamater cable and snake the 6 pin receptacle end of the cable out through the joystick port. For Best results, the right side top or bottom half of the STFM / STE / Falcon case should be notched for the 6 pin connector housing for best strain relief! Now you will have an Atari lap keyboard with full Keyboard / Mouse / Joystick functions! CB101909  $15.95


Atari ST Diagnostics

Atari 520ST Service MANUAL

All world wide versions 60 Pages. Sections covered: Theory of Operation/ Case Design/ Architecture/ Main System/ Graphics Subsystem / Music System / Device Subsystems/System Timing Diagram System Block Diagram, Schematics and Silk-screen,Testing/Overview-Test Equipment-Power Up Test ST Diagnostic Cartridge-Error Code List, Disassembly/ Assembly/Top Cover/ Keyboard Removal-Bottom Cover Removal-Shield Removal/ Reassemble, Symptom Checklist-Display Problems -Drive Interface Problems-MIDI Problems-Printer Port Problems-Keyboard/Mouse Problems/ Error Code Quick Reference, Diagnostic Flowcharts/Swap out Procedures/ Handling of Integrated Circuits-Power up Test-Black screen-White Screen-Scrambled Screen, Parts List and Updates.   CO26118  $32.00

Atari Service Manual 520ST / 520STFM / 1040STF Computers For all world wide 32 Ram Chip versions. 80 Pages. Sections covered: Introduction Case Design-Power Supply, Theory of Operation-Main System-Audio/Video subsystem Input/Output subsystems-System Startup System Errors-Functional Block Diagram-System clock diagram, Testing Overview/Test equipment Test Configuration -Troubleshooting a dead unit Diagnostic-Cartridge -Error Codes-Test Harness Hook-up Diagram, Disassembly / Assembly-1040 Disassembly 1040 Assembly 520 Disassembly 520 Assembly, Symptom Checklist, Diagnostic Flowcharts, Parts list and Assembly Drawings, Schematics and Silk-screen and Glossary.  CB101474  $40.00

Sams Computer facts  Service Manual for 520STNTSC/U.S. version computer, 520ST external U.S. 110 Volt power supply (only one version), Goldstar SM124 U.S. version Monochrome monitor and Epson SF354 disk drive. Sections covered: Block Diagram, Disassembly Instructions, General Operating Instructions, Grid Trace Location Guide Main Board-Power Supply, I.C. Pinouts and Terminal Guides, Line Definitions, Logic, Parts List, Photos Keyboard-Main Board-Power Supply Board, Safety Precautions, Schematics- Keyboard-Main Board-Power Supply, Schematic Notes, Test Equipment and Troubleshooting. 89 pages. CB101098  $49.00

1040STE / 4160STE Atari Field Service Manual  For all world wide versions. Sections covered, Introduction: Overview-Main Components-Case Design-Power Supply-Negative Supplies, Theory of Operation: Overview-Main System-Audio/Video Subsystem-Input/Output Subsystems-Microprocessing Unit-GSTMCU-Main Memory-Direct Memory Access-Multi-function Peripheral Control-Audio/Visual Subsystem-Digitized Sound-Genlock and the STe-Input/Output Systems-System Startup-System Errors, Testing: Overview-Test Configuration-Troubleshooting a dead Unit-520STE / 1040STE Diagnostic Cartridge-Power Up Sequence-Test Menu-RAM Test-ROM Test-Color Test-Keyboard Test-Midi Tests-RS232 Tests-Audio Test-Timing Test-DMA Tests-Floppy Disk Tests-Printer and Joystick Port Tests-Monochrome Monitor-Hard Disk Write/Read-Graphics Chip Blit-Error Codes Quick Reference, Disassembly /Assembly:520STE/1040STE Disassembly-520STE/1040STE Assembly, Symptom Checklist: Display Problems-Disk Drive Problems-Keyboard Problems-Midi Problems-RS232 Problems-Printer Port Problems-Hard Disk Port Problems and DMA Sound, Diagnostic Flowcharts: Replacement Procedures-Handing of Integrated Circuits, Parts List, Glossary and Schematics and PCB Silk-screen.. 94 pages with 8 pages of Atari Schematics. CB101626  $50.00

ST / Mega 4.3 Rev. Diagnostic Cartridge18+ Diagnostic Tests. Ram, ROM, Color, Keyboard, Midi (requires loop back cable), Serial Port (requires shorting connector), Audio, Timing, DMA Port (requires Loop back board and cable), Printer / Joy Ports (requires joy loop back + Printer cables with Loop back board) High Resolution (requires SM124 / SM125 /SM147), Short Blitter, Long Blitter, Real Time Clock, Hard Disk Read /Write Test with Park feature, Expansion Connector (Mega), Examine / Modify Memory, Set RS232 Rate, 50 / 60 Hz Video output Toggle, Internal tests burn in tests, All Tests Burn in cycle, Floppy Disk Tests including Test Disk Speed, Quick Test, Install Disk drives, Check 80 - 82 Copy Protect Tracks, Read Alignment Disk, Disk Interchange Test, Disk Exerciser Tests, this ST Diagnostic Cartridge also checks for current Keyboard I.C. Rev., TOS O.S. Version and Total ST Memory present during boot up. Cartridge and small manual.  CB101615 $39.95

Atari 520ST, 1040ST, Mega 1/2/4, Stacy, 1040STE, MegaSTE, TT and Falcon Computer Diagnostic Loop Test Hardware Test Kit 

When Atari set up a new US Atari ST Service Center Dealer, as part of the ST Dealer Service Center package (full set of ST Computer repair Manuals, ST Color and Monochrome Monitor manuals, 520ST/1040ST Diagnostic Cartridge), a new complete 520ST, (later) 520STFM and 1040ST Computers for parts) and this loop back ST Test kit.  The new Atari ST Dealer paid for ($,$$$+) for this complete Atari Service Center Hardware Package.  

This Atari ST Loop back test hardware is used with the many different Atari ST different Diagnostic Cartridges (520ST/1040ST/Mega, Stacy, 1040STE, MegaSTE, TT or Falcon Diagnostic Cartridges) to fully test all ST computer Internal and External hardware functions.  Extra port shorting hardware / plugs required for the 1040STE, MegaSTE, TT and Falcon computers to full run all of the extra Diagnostic Tests / Ports (extra features or different style ports of those model Atari computers). 

The two DB-9 black Joystick cables are connected up to the ST Joystick/Mouse ports and back to the Loopback green PCB (most ST computers require you to crisis cross (not one to one) these DB-9 shorting cables back to the loop back PCB to get the proper port diagnostic results).  The short black or gray DB-25 Parallel cable is connected to the ST printer port and loop backboard.  The short gray ST DB-19 DMA cable is connected to the ST DMA port and the loop backboard.  The 5 pin Din shorting cable is connected up to both ST Midi Ports (one end of this Midi cable has a Red LED molded into the translucent connector housing to see the Diagnostic Midi Send and Receive sent signals).  The DB-25 Serial port shorting connector is connected to the ST Modem / RS232 external Port.

Depending on the exact version Atari ST Diagnostic Cartridge used with the ST loop back hardware test board, you can choose from the ST Diagnostic display menu to run between different ST Diagnostic tests one at a time or our 27+ year Atari Super Techís standard 12 to 24+ hour continues Burn in loop that he tests all ST computers with.  Typical Atari ST Diagnostic tests you can run using the different Atari ST Diagnostic Cartridges and Loop back external Hardware, upon boot up displays ST TOS Rev., Total ST / TT Fast Ram, Keyboard I.C. Rev. level., 5 ST Ram Tests, 7 ST internal Chip set timing Tests, if present 14 Blitter chip tests, if present 2 Real Time Clock tests, Audio tests, OS ROM Test, 2 Printer Port I/O Tests, Color and Monochrome ST display tests, 3 Keyboard tests, 5 Mouse and Joystick port tests, 12 RS232 / Serial / Modem I/O port tests, 50 / 60 Hz display toggle, 17 Internal or External Floppy Disk Drives tests, 4 DMA I/O port Tests, 2 Parallel port I/O tests, 5 Midi Send and Receive Tests.  The best way to fully test and burn in any unknown condition or repaired Atari ST computer. 

Atari ST Loopback board, cables and shorting connector Kit.  CB102271 $59.00 

Atari Tech Tip on the Loopback ST PCB board.  Our Atari Super Tech strongly recommends you tape the anti Static pink bubble bag the Loopback board comes in (or tape a piece of thick and oversized piece of cardboard) to the exposed back side / solder side of the Loopback PCB board, to prevent it from shorting out / damaging the different I.C.ís on the top side of Loop back PCB should the back side of the exposed PCB come in contact with any metal.

ST / Mega 3.61 Rev. Diagnostic Cartridge This ST Diagnostic Cartridge is an earlier version of the above ST Diagnostic cartridge. 12+ Diagnostic Tests. Ram, ROM / O.S., Color, Keyboard, Midi (requires loopback cable), Serial Port (requires shorting connector), Audio, Timing, DMA Port (requires Loop back board and cable), Printer / Joy Ports (requires joy loop back + Printer cables with Loopback board) High Resolution (requires SM124 / SM125 / SM147), Examine / Modify Memory, Set RS232 Rate, 50 / 60 Hz Video output Toggle, Internal tests burn in tests, All Tests Burn in cycle, Floppy Disk Tests including Test Disk Speed, Quick Test, Install Disk drives, Check 80 - 82 Copy Protect Tracks, Read Alignment Disk, Disk Interchange Test, Disk Exerciser Tests, this ST Diagnostic Cartridge also checks for current Keyboard I.C. Rev., TOS O.S. Version, 50 or 60 Hz operation and Total ST Memory present during boot up. Cartridge and small manual.  CB102811 $24.95

520STE / 1040STE / 4160STE Rev.1.9 Diagnostic Cartridge  17+ Diagnostic Tests. Ram, ROM, Color, Keyboard, Midi (requires loop back cable), Serial Port (requires shorting connector), Audio, Timing, DMA Ports (requires Loop back board and cable), Printer / Joy Ports (requires joy loop back + Printer cables with Loop back board) (Analog Joystick port test, requires an Available Atari external STe test board and cables) High Resolution (requires SM124 / SM125 / SM147), Short Blitter, Long Blitter, Hard Disk Read / Write Test with Park feature, Expansion Connector (Mega), Examine / Modify Memory, Set RS232 Rate, 50 / 60 Hz Video output Toggle, Internal tests burn in tests, All Tests Burn in cycle, Floppy Disk Tests including Test Disk Speed, Quick Test, Install Disk drives, Check 80 - 82 Copy Protect Tracks, Read Alignment Disk, Disk Interchange Test, Disk Exerciser Tests also checks for current Keyboard I.C. Rev., TOS O.S. Version, 50 or 60 Hz operation and Total ST Memory present.  CB102032  $50.00

520STE / 1040STE / 4160STE    Rev. 1.4 Diagnostic Cartridge
This is an earlier Atari Factory / Manufacturing version of the above Atari Service Center STe Diagnostic Cartridge. This cartridge was used by the Atari factory to in-house test STE Computers during the Assembly Process! This 1.4 version STE Diagnostic Cartridge tests the following, Video, Audio, Midi (requires loop back cable), Serial Port (requires shorting connector), DMA Port (requires Loop back board and cable), Blitter, Floppy, ROM, Ram, Printer and Joystick Ports (requires joy loop back + Printer cables with Loop back board), Monochrome, Keyboard, Timing, Examine / Modify Memory, Set RS232 Rate, 50 / 60 Hz Video output Toggle also checks for current Keyboard I.C. Rev., TOS O.S. Version, 50 or 60 Hz operation and Total ST Memory present. CB102709  $39.95 

520STE / 1040STE / 4160STE Special version External Loop back board With Analog HD-15 Joystick Test ports. Loop back board, less all connecting cables CB102678 $100.00
Atari Service Center ST Diagnostic Assembly complete, Diagnostic Cartridge, Loop back board, cables and Atari Field Service Manuals (U.S. 520ST / 1040STF, Epson 1/2 Height SF354 / SF314, 3-SC1224s U.S. versions, SM124 U.S. version, SMM804 U.S. version) CB101477 CALL
Atari ST / Mega / STE / MegaSTe / TT Loop back Test P.C. board for Joystick / Mouse ports, Parallel, DMA, Midi and Serial ports to run all of the External ST port test s using the above ST Diagnostic Cartridge. Includes Atari Loop Back Board, one each Parallel-DMA-Midi-Joystick / Mouse (2) connecting cables and DB25 Serial port shorting plug. Only Available in the past with the above Complete ST Diagnostic Service Kits. Requires an Atari ST / Mega, STE, MegaSTe or TT Atari Diagnostic Cartridge to run the External port Diagnostic tests. Special One Time Buy, Once sold out, they will never be available again! CB102271 $59.00
Replacement ST Diagnostic Loop Back P.C. Test board only    CB102604   $49.00
Replacement 9 pin female to 9 pin female Joystick/Mouse Port Jumper 30 inch cable for above ST Diagnostic Test Board.   CB101870   $5.00 ea.
Replacement Midi 12 to 13 1/2 inch loop back cable for above ST Diagnostic kit.   CB102600 $4.00
Replacement DB-25 Female Serial Shorting plug for above ST Diagnostic kit.   CB102601   $3.50
Replacement Hard drive 24 inch cable DB-19M to DB-19M for above ST Diagnostic Test board.   CB102602   $14.00
Replacement DB25 Male to DB25 Male 13 inch cable for above ST Diagnostic Test board.   CB102603   $12.00

Atari Power Supplies

520STFM/1040STF/1040STE/ 4160STE Atari Internal U.S. Power Supply CB101500 $75.00
520STFM/1040STF/1040STE/ 4160STE Atari Internal 220 Volt Power Supply    CB102621 $59.00

Atari Replacement Mother Boards

520STFM NTSC / U.S. Mother Board 1/2 Meg Memory with R.F. Modulator Less plug in chips. This 520STFM mother board can be upgraded to a 1040ST mother board by removing the solder from the 16 ram chip holes, soldering in 16 , 16 pin I.C. sockets and 16 .224 caps and 3 resistors. Most boards have a Blitter location (solder in holes). Can be upgraded to a Blitter chip by removing the solder from the socket holes, soldering in one of Best's Gold Plated 68 pin sockets and remove the solder from two solder pads around the Blitter chip. Most 520STFM mother boards have the ability to accept either 2 chip or 6 chips TOS ROM's!     CB102403 $159.95
520ST NTSC / U.S. Mother Board1/2 Meg Memory, Fully Populated CB102505 $154.00
520STM NTSC / U.S. Mother Board with 1/2 Meg Memory and R.F. Modulator, Less plug in chips CB101480-M $125.95
520STM NTSC / U.S. Mother Board with 1/2 Meg Memory and R.F. Modulator, Fully Populated CB102506 $185.95
520STFM NTSC / Fully Populated U.S. Mother Board, 1/2 Meg Memory with R.F. Modulator Same mother board as the Above but Fully Populated.    CB102501 $220.00
1040STF NTSC / U.S. Mother Board 1 Meg Memory, Less plug in chips.   CB101502   $175.00
1040STF NTSC / Fully Populated U.S. Mother Board, 1 Meg Memory CB102502 $275.00
1040STFM NTSC / U.S. Mother Board With modulator, 1 Meg Memory, Less plug in chips.    CB101502-M $150.00
1040STFM NTSC / Fully Populated U.S. Mother Board with modulator, 1 Meg Memory     CB102502-M $295.00
520STFM / 1040STFM Mother Board P.C.B. Bare, no components soldered in. 32 Ram Chip version.    CB102783 $32.95
1040STE / 4160STE NTSC / U.S. Mother Board, Less plug in chips CB101625 $250.00
1040STE / 4160STE NTSC / U.S. Mother Board, Fully populated LESS SIMMs, LESS TOS CB101625-P $345.00
1040STE / 4160STE Bare / Unpopulated (No components) printed circuit board CB102615 $35.95

 Atari Replacement Floppy Drives

520STFM / 1040STF / Mega Atari 1/2 height DSDD Drives With rhombus shaped long (13/4 inch) eject bar under the disk access opening. 1/2 Height Atari Disk drives are Dysan Investigator Disk Drive Program (CB102865) Tested "Pulls" from working Atari Computers with a full warranty!   CB101690  $99.00
520STFM / 1040STF / 1040STE / 4160STE / Mega / MegaSTe Atari 1/3 height DSDD drives Rhombus shaped eject button (5/8 inch long) on the lower right hand side of the disk access opening.   CB101841  $75.00

 


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