downtowndougbrown.com on Hacker News

Fixing an NZXT Signal 4K30 part 2: the green/pink video bug(downtowndougbrown.com)

33 points by zdw 1 month ago | 10 comments

Debugging BeagleBoard USB boot with a sniffer: fixing omap_loader on modern PCs(downtowndougbrown.com)

68 points by todsacerdoti 11 months ago | 3 comments

Finding a 27-year-old easter egg in the Power Mac G3 ROM(downtowndougbrown.com)

374 points by zdw 1 year ago | 109 comments

Blog post by Doug Brown describing his discovery of an undocumented easter egg hidden in the Power Macintosh G3 ROM using Hex Fiend.

Modifying an HDMI dummy plug's EDID using a Raspberry Pi(downtowndougbrown.com)

283 points by zdw 1 year ago | 82 comments

How I fixed the infamous Basilisk II Windows “Black Screen” bug in 2013(downtowndougbrown.com)

69 points by zdw 1 year ago | 7 comments

Apple's long-lost hidden recovery partition from 1994 has been found(downtowndougbrown.com)

267 points by chmaynard 1 year ago | 88 comments

Gooey rubber that's slowly ruining old hard drives(downtowndougbrown.com)

259 points by zdw 1 year ago | 177 comments

An invalid 68030 instruction accidentally allowed the Mac Classic II to boot(downtowndougbrown.com)

284 points by todsacerdoti 1 year ago | 63 comments

Why is my CPU usage always 100%?(downtowndougbrown.com)

505 points by pncnmnp 1 year ago | 137 comments

Part 9 of a blog series on upgrading the Chumby 8's Linux kernel from 2.6.28 to 6.x, investigating why top always reports 100% CPU usage.

The capacitor that Apple soldered incorrectly at the factory(downtowndougbrown.com)

488 points by zdw 1 year ago | 220 comments

Blog post investigating whether Apple installed a capacitor backwards at the factory in the Macintosh LC III and Performa 450-467, analyzing the circuit.

Fixing an Elgato HD60 S HDMI capture device with the help of Ghidra(downtowndougbrown.com)

449 points by miles 2 years ago | 84 comments

Blog post by Doug Brown describing diagnosing and repairing a broken Elgato HD60 S HDMI capture device, including firmware reverse engineering with Ghidra.

Upgrading my Chumby 8 kernel part 13: the end(downtowndougbrown.com)

64 points by zdw 2 years ago | 3 comments

Upgrading my Chumby 8 kernel part 11: SD/CF card reader(downtowndougbrown.com)

32 points by todsacerdoti 2 years ago | 1 comments

Fixing a knockoff Altera USB Blaster that never worked(downtowndougbrown.com)

143 points by jandeboevrie 2 years ago | 26 comments

Upgrading my Chumby 8 kernel part 10: RTC(downtowndougbrown.com)

113 points by todsacerdoti 2 years ago | 17 comments

More fun with Apple's internal tools: creating a PDS card(downtowndougbrown.com)

154 points by todsacerdoti 2 years ago | 5 comments

How Apple's developers reflashed Mac ROMs in the '90s(downtowndougbrown.com)

178 points by SerCe 2 years ago | 76 comments

How to create a Qt 5 ARM/Intel universal binary for Mac(downtowndougbrown.com)

68 points by zdw 3 years ago | 44 comments

Upgrading my Chumby 8 kernel part 6: PWM backlight(downtowndougbrown.com)

60 points by zdw 3 years ago | 0 comments

Building Alex Taradov’s open-source USB sniffer(downtowndougbrown.com)

106 points by zdw 3 years ago | 14 comments

Upgrading my Chumby 8 kernel part 5: graphics(downtowndougbrown.com)

63 points by zdw 3 years ago | 7 comments

What happened with ASUS routers this morning?(downtowndougbrown.com)

699 points by zdw 3 years ago | 437 comments

Blog post by Doug Brown investigating a widespread May 2023 outage where ASUS routers lost connectivity and ran out of memory, unable to fork processes.