Two months ago, when adding the finishing touches to a customer's upgraded Atari 130XE, I discovered his brand new SIDE 3.2 cartridge did not work reliably in his computer or in my own daily-driver 600XL. The agonising, expensive saga which followed represents a depressing comedy of errors which has severely undermined my confidence in the future of this product and any potential derivatives.
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00:00:00 Introduction
00:01:43 The first problem with this SIDE 3.2
00:02:46 How to recognize SIDE 3.2
00:03:30 CPLD JED code version 2.3?
00:04:20 FAT directory corruption
00:06:47 Why this is a big problem
00:07:41 JED 2.3 - the 'ClownStrike' update
00:08:43 Lattice vs GoWin CPLD
00:10:13 What can be done about it?
00:11:38 Can I downgrade the JED?
00:13:58 Testing an older SIDE3
00:15:57 Testing a different computer
00:18:04 Possible Ultimate 1MB problems
00:20:05 Different SRAM chips on the U1MB
00:23:02 Patches and bodges on the U1MB
00:27:11 Testing a SIDE 3.2 with JED 1.3
00:29:17 How did we get into this mess?
00:30:15 The importance of testing
00:35:09 Potential impact on derivative designs
00:37:18 What is the point?
00:38:34 Five Weeks Later...
00:39:13 Where's the cable?
00:40:30 What I get paid for
00:42:58 Candle's bright idea
00:45:35 Other SIDE 3.2 differences
00:47:09 What I'm trying to accomplish
00:49:45 What this means for me
00:52:11 Two Weeks Later...
00:53:32 Damage limitation
00:56:04 Buying the customer a new SIDE3
00:56:48 Testing the replacement SIDE3
00:59:24 Recalling the wrong product
01:00:44 Should we RMA it?
01:02:29 I ordered a GoWin cable
01:04:20 What this all means for SIDE3
01:05:54 Beyond belief
01:07:44 Competing products from the same vendor
01:09:07 Pushing 'fixers'
01:10:42 The GoWin USB dongle arrives
01:12:14 Yes, JED 1.3 for GoWin does exist
01:13:34 Programming the GoWin CPLD
01:15:15 Has it fixed this issue?
01:15:58 Testing again to be certain
01:17:39 What does this tell us?
01:19:59 Summary
01:20:21 Talking to a brick wall
01:21:13 Blame everything but the JED
01:21:27 Where does this leave us?
01:22:39 Marketing genius
01:23:14 I don't get to test anything
01:24:52 The End

Soldering and test equipment:

● Hakko FX-951 T12 soldering station: https://uk.farnell.com/hakko/fx951-64...
● Best BST-863 hot air rework station: https://www.banggood.com/BEST-BST-863...
● Anesty (Duratool) ZD-915 thru-hole desoldering station: https://cpc.farnell.com/duratool/d006...
● Hanmatek DOS1102 dual-channel oscilloscope: https://www.amazon.co.uk/DOS1102-osci...
● Amtech NC-559 Tacky Flux: https://store.rossmanngroup.com/index...
● Goot Wick Desoldering Braid: https://store.rossmanngroup.com/index...
● Cynel Sn60Pb38Cu2 Tin/Lead Solder Wire: https://www.tme.eu/gb/details/lc60m2-...
● SysCheck v.2.2 by tf_hh: http://www.abbuc.de/component/jshoppi...

Equipment and software used for video production:

● Open Broadcaster Studio: https://obsproject.com/
● 2x Logitech Brio webcams: https://www.amazon.co.uk/Logitech-Gam...
● USB AV/s-video capture dongle: https://www.amazon.co.uk/Ex-Pro-Grabb...
● 135W Photography Studio Softbox Light: https://www.ebay.co.uk/itm/135W-Photo...
● Final Cut Pro
● Apple Motion
● 15" mid-2015 Apple Retina MacBook Pro

#atari
#retrocomputing