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394 files in 56 albums and 1 categories with 1 comments viewed 202,528 times
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Resistor mounting under socket104 views
Inside the 5.25" Floppy Emulator68 viewsTop View
fio2_teac-FD-55BR_40t_ds_dd__mfm_write_scope46 viewsScope capture of WG and WD problem.
Repair Coreboard Right13 views
prototype PSU for Dream 6800/68025827 viewshome made PCB with +5V 3A, -5V 1A, 12V 1A regulators. +5V uses 2576T-ADJ. tested on bench with 2A load with no signs of overheating. standard 78xx for the other voltages.
new version will have additional -12V with only slightly larger PCB.
Starnet Coreboard224 viewsStarnet Coreboard with additional 64K RAM and White PAL
51 viewsNew slimline Rotary Encoder
2013 Refurb - Completed Beeboard (top view)277 viewsCompleted Beeboard. The Z80 SIO and serial port components are not installed as I don't think I'll ever need them. The PIO is ready for installation but I don't have one ATM. All floppy disk interface components are replaced by headers for the MegaBee daughter card
Last additions
USB View1 viewsJun 13, 2024
11 viewsApr 17, 2024
Part Screen73 viewsScreen from running Part.com on CF cardApr 16, 2024
Final CF Timing7 viewsApr 14, 2024
sel60 to delayed rd5 viewssel60 (cs) to delayed rdApr 14, 2024
delayed cs to rd7 viewsdelayed / extended cs to rdApr 14, 2024
delayed cs7 viewssel60 (cs) to delayed csApr 14, 2024