The biggest news this week comes from Apple. There’s a new Mac Mini (the press copy says it makes a great digital signage platform but we’ll stick to our Raspberry Pis), a gigantic iPad that costs $1900, and the MacBook Air gets a display with more than 900 pixels of horizontal resolution. It’s big news, but this isn’t the biggest news from Cupertino. [Aki-Baidya] reports Apple is bringing back the old-school rainbow logo to t-shirts sold in the Apple Park visitor center. The move follows Apple’s trademark renewal of the rainbow logo earlier this year.
The O.G. rainbow Apple logo was not Apple’s first logo — this honor belongs to the ‘Newton woodcut’ logo designed by [Jobs] and [Ronald Wayne] in 1976. [Wayne] is best known for selling his 10% stake in Apple for $800. The ‘rainbow Apple’ appeared in 1977 after [Jobs] commissioned [Rob Janoff] to design a logo based on the Apple itself. Newton is of course missing from this logo but his contributions to the sciences — the laws of motion and optics — are alluded to with the rainbow apple.
The rainbow Apple logo was phased out in 1998 with the release of the original Bondi Blue iMac and gradually replaced the logo on all four of Apple’s computer lines. The rainbow logo was last seen on Apple laptops with the Wall Street II / PDQ Powerbook, replaced by the Lombard PowerBook in May, 1999. On desktops, the last rainbow logo was found on the beige G3 tower, replaced with the Blue and White G3 in January, 1999.
Despite being discontinued twenty years ago, the rainbow Apple logo has remained one of the most loved corporate logos of all time. To this day, you can still find rainbow Apple logo stickers on the back of old Volvos and pinned to the windows of offices. It is a staple of 80s and 90s-era design. The Rainbow Apple logo t-shirt is available exclusively at the Apple Park Visitor Center gift shop, price is $40.
The greatest computer Apple will ever make isn’t the Apple II, it isn’t the Bondi Blue iMac, it isn’t the trash can, and it certainly isn’t whatever overheating mess they’re pushing out now. The best computer Apple will ever make is the SE/30, at its time a server in a tiny portable shell, and capable of supporting 128 Megabytes of RAM thirty years ago.
Over the years, people have extended and expanded the SE/30 to absolutely ludicrous degrees, but now we have a simple way of adding WiFi to this classic computer. Over on the 68kmla forums, [ants] discovered a tiny cheap card that could easily serve as an Ethernet to WiFi bridge. After attaching this card to a Danaport Ethernet card and bending some aluminum for a bracket, they had a WiFi antenna sticking out of the back of a 30-year-old computer.
But adding a WiFi card to an old computer is nothing new — this could have been done with a Pi, or if you’re a hacker, a TP-Link router flashed with OpenWRT. To really do this right, you’ll need integration with the operating system, and that’s where this build goes off the rails. [ants] wrote a WiFi extension for System 7 (with the relevant GitHub)
The problem with the Vonets WiFi card is that configuration has to be done through a browser. Since there are no modern browsers for classic macs, this meant either pulling out a PowerBook or doing the configuration through your daily driver desktop PC. The WiFi extension gets around that by giving a classic mac the ability to configure the Vonets card almost automatically. This extension also looks like how you would configure the WiFi on a modern mac, complete with the WiFi icon in the toolbar. It’s beautiful, and one of the rare examples of modern 68k mac programming.
[AkBKukU] writes in to tell us of his experiments with the rather vile-sounding “ChugPlug”, an odd portable AC power bank designed for the express purpose of powering MacBook chargers. It would seem more efficient to simply build a DC power bank with a MagSafe connector to cut out the charger all together, but presumably there is some market for this particular niche device. Especially at the $15 they are currently selling for on Amazon.
Unfortunately, the ChugPlug that [AkBKukU] bought doesn’t seem to work. After some experimenting he found that it appears to only be outputting 80 VAC, obviously too low for many devices to function. But he reasoned that some things, like switch mode power supplies or restive loads, might still work. He just needed to come up with a way to plug them into the ChugPlug.
If his testing setup gives you a case of sweaty palms, you aren’t alone. He breaks open a dead MacBook charger to recover the female AC connector, and then solders that directly to an AC grounding adapter. The resulting pigtail lets [AkBKukU] plug in various AC loads while allowing him to probe the wires with his multimeter and oscilloscope.
Once he’s satisfied his hack works conceptually, that is, he’s able to plug arbitrary AC loads into this purpose-built battery pack, he follows up with a less dangerous looking adapter. Making use of the shell of the dead MacBook charger and what some might describe as a salacious amount of hot glue, he produces a compact and relatively safe looking device that will let him use his handicapped ChugPlug as a general purpose source of AC power.
It’s not the most elaborate portable power supply we’ve ever seen, and certainly wouldn’t be our first choice in an emergency, but at least [AkBKukU] managed to wring some use out of the thing in the end.
Continue reading “Desperately Trying to Find a Use for the ChugPlug”
Sick of his 2011 Macbook kicking its fans into overdrive every time the temperatures started to climb, [Arthur] decided to go with the nuclear option and cut some ventilation holes into the bottom of the machine’s aluminum case. But it just so happens that he had the patience and proper tools for the job, and the final result looks good enough that you might wonder why Apple didn’t do this to begin with.
After disassembling the machine, [Arthur] used double-sided tape and a block of scrap wood to secure the Macbook’s case to the CNC, and cut out some very slick looking vents over where the internal CPU cooler sits. With the addition of some fine mesh he found on McMaster-Carr, foreign objects (and fingers) are prevented from getting into the Mac and messing up all that Cupertino engineering.
[Arthur] tells us that the internal temperature of his Macbook would hit as high as 102 °C (~215 °F) under load before his modification, which certainly doesn’t sound like something we’d want sitting in our laps. With the addition of his vents however, he’s now seeing an idle temperature of 45 °C to 60 °C, and a max of 82 °C.
In the end, [Arthur] is happy with the results of his modification, but he’d change a few things if he was to do it again. He’s somewhat concerned about the fact that the mesh he used for the grill isn’t non-conductive (he’s using shims of card stock internally to make sure it doesn’t touch anything inside), and he’d prefer the peace of mind of having used epoxy to secure it all together rather than super-glue. That said, it works and hasn’t fallen apart yet; basically the hallmarks of a successful hack.
It’s worth noting that [Arthur] is not the first person to struggle with the Macbook’s propensity for cooking itself alive. A few years back we covered another user who added vents to their Macbook, but not before they were forced to reflow the whole board because some of the solder joints gave up in the heat.
Why would you build a mini Mac Classic using LEGO and a Raspberry Pi? Well, why wouldn’t you?
[Jannis Hermanns] couldn’t find a reason to control this outburst of nostalgia for the good old days of small, expensive computers and long hours spent clawing through the LEGO bin to find The Perfect Piece to finish a build. It turns out that the computer part of this replica was the easy part — it’s just an e-paper display driven by a Raspberry Pi Zero. Building the case was another matter, though.
After a parti-colored prototype with whatever bricks he had on hand, a session of LEGO Digital Designer led him to just the right combination of bricks to build an accurate case, almost. It turns out that the stock selection of bricks in LDD won’t allow for the proper proportions for the case, so he ordered the all-white bricks and busted out the Dremel. LEGO purists may want to avert their eyes from the ABS gore within, but in the end the case worked out and the whole build looks great.
Fancy a full-size Mac Classic reboot? How about this iPad docking station? Or if tiny and nostalgic is really your thing, this retro-future terminal build is pretty keen too.
[Klakinoumi] wanted to use their Magsafe 1 charger from 2007 with their newer Macbook Pro Retina from 2012 — but it had a Magsafe 2 port. There were a few options on the table (buy an adapter, buy a new charger, cry) but those wouldn’t do. [Klakinoumi] went with the brute force option of grinding a Magsafe 1 charger to fit Magsafe 2.
Based on the existence of passive adapters that allow Magsafe 1 chargers to work with newer laptops, we’d assume that the older chargers are probably electrically similar to the newer models. That said, it’s not our gear and we’d definitely be checking first.
With that out of the way, it’s a simple enough modification — grind away the Magsafe 1’s magnet until it fits into a Magsafe 2 port. It really is that easy. The spring-loaded pins all seem to line up with the newer port’s pads. [Klakinoumi] reports it worked successfully in their tests with 2012, 2014 and 2015 Macbooks but that it should be attempted at your own risk — good advice, as laptops ain’t cheap.
When doing this mod, consider taking care not to overheat the connector during grinding. You could both melt plastic parts of the connector, or ruin the magnet by heating it past its Curie point.
Interested in the protocol Magsafe speaks over those little golden pins? Find out here.
Emulators are a great way to reminisce about games and software from yesteryear. [Jorj Bauer] found himself doing just that back in 2002, when they decided to boot up Three Mile Island for the Apple II. It played well enough, but for some reason, crashed instantly if you happened to press the ‘7’ key. This was a problem — the game takes hours to play, and ‘7’ is the key for saving and restoring your progress. In 2002, [Jorj] was content to put up with this. But finally, enough was enough – [Jorj] set out to fix the bug in Three Mile Island once and for all.
The project is written up in three parts — the history of how [Jorj] came to play Three Mile Island and learn about Apple IIs in the first place, the problem with the game, and finally the approach to finding a solution. After first discovering the problem, [Jorj] searched online to see if it was just a bad disk image causing the problem. But every copy they found was the same. There was nothing left for it to be but problem in the binary.
Continue reading “Fixing Bugs In A 37 Year Old Apple II Game”