In the final installment of the Laser 128EX series, we cover lots of things including testing a newer ROM, getting beautiful RGB output from the machine and giving the machine a RAM upgrade.
Part 1: https://youtu.be/aEkqXq-B3Gw
Part 2: https://youtu.be/5F-6021W3Gk
Part 3: This part!
0:00 Intro
0:52 Testing out the 128EX/2 Rom V6.2
7:30 Port Configuration menu and other keyboard shortcuts
8:35 How to get RGB video from the Laser 128
14:22 Apple II RGB on a CGA monitor
15:31 Using the RGB2HDMI with the Laser 128 to get the right colors
24:06 The STD/ALT switch on the back of the machine
25:10 The Function keys and other special keys on the Laser 128
26:58 Tear down of the Laser 128
31:08 Analysis of the internals of the Laser 128
36:48 Installing RAM into the RAM card
37:16 The floppy drive belt size
37:33 Testing out the 1meg RAM drive with Apple II Desktop
42:04 Conclusion and outro
Laser 128 Floppy Drive belt dimensions 2.3mmx288mm
-- Video Links
Apple II Desktop:
https://www.a2desktop.com/
Attack of the PETSCII Robots (Apple II version)
http://www.the8bitguy.com/product/petscii-robots-for-apple/
Laser 128 Technical Manual:
https://www.apple.asimov.net/documentation/hardware/machines/Laser%20128%20Series%20Technical%20Reference%20Manual.pdf
RGB2HDMI Fork with Laser 128 support: (will be mainline eventually)
https://github.com/IanSB/RGBtoHDMI/releases
Support the channel on Patreon:
https://www.patreon.com/adriansdigitalbasement
Adrian's Digital Basement ][ (Second Channel)
https://www.youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g
Article on the history of the Laser 128:
https://en.wikipedia.org/wiki/Laser_128
-- Tools
Deoxit D5:
https://amzn.to/2VvOKy1
http://store.caig.com/s.nl/it.A/id.1602/.f
O-Ring Pick Set: (I use these to lift chips off boards)
https://amzn.to/3a9x54J
Elenco Electronics LP-560 Logic Probe:
https://amzn.to/2VrT5lW
Hakko FR301 Desoldering Iron:
https://amzn.to/2ye6xC0
Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digital-oscilloscopes/1000z/
Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
https://amzn.to/3adRbuy
TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://amzn.to/2wG4tlP
https://www.aliexpress.com/item/33000308958.html
TS100 Soldering Iron:
https://amzn.to/2K36dJ5
https://www.ebay.com/itm/TS100-65W-MINI-Digital-OLED-Programmable-Soldering-Iron-Anti-static-Structure/113382669853
EEVBlog 121GW Multimeter:
https://www.eevblog.com/product/121gw/
DSLogic Basic Logic Analyzer:
https://amzn.to/2RDSDQw
https://www.ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672
Magnetic Screw Holder:
https://amzn.to/3b8LOhG
https://www.harborfreight.com/4-inch-magnetic-parts-tray-90566.html
Universal ZIP sockets: (clones, used on my ZIF-64 test machine)
https://www.ebay.com/itm/14-16-18-20-24-28-32-40-pin-IC-Test-Universal-ZIF-Socket-Fs/303206721971
RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI)
http://www.retrotink.com/
Plato (Clone) Side Cutters: (order five)
https://www.ebay.com/itm/1-2-5-10PCS-Micro-Scissor-125mm-PLATO-170-Electronics-Cutter-Side-Cutting-Pliers/163458746184
Heat Sinks:
https://www.aliexpress.com/item/32537183709.html
Little squeezy bottles: (available elsewhere too)
https://amzn.to/3b8LOOI
--- Links
My GitHub repository:
https://github.com/misterblack1?tab=repositories
Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group
https://www.commodorecomputerclub.com/
--- Instructional videos
My video on damage-free chip removal:
https://www.youtube.com/watch?v=XQVjwPsVFd8
--- Music
Intro music and other tracks by:
Nathan Divino
@itsnathandivino