Search results

Yes! I gave upon Twitter when it discontinued its API for TweetBot. Mastodon reminds me of Twitter in the early days, and I’m loving my test drive of Ivory by the makers of TweetBot. https://bitbang.social/@rikerjoe

I got a BlueSCSI v2 kit that I plan on assembling this weekend. Out of curiosity, if you had a choice between installing it in a Mystic Color Classic or Macintosh IIfx, which would you pick and why?

Thank you to everyone who volunteered to serve, and congratulations to the elected Board members. Let’s make tinkerdifferent.com even awesomer together!

Thanks for the links. I performed the steps and got the IIfx floppy to read existing disks but couldn't get it to write successfully. As I was troubleshooting, the drive made an awful sound then the motor stopped working. The eject mechanism still works fine. I suspect I might have shorted...

So far, I’ve had consistent behavior between internal BlueSCSIs and the external PiSCSI regarding termination, where I enable termination on the PiSCSI for all of my retro Macs except the IIsi. I recall back in the day the voodoo magic to get SCSI termination just right, then Don’t Touch It...

I had a similar problem with a Mac IIsi with an internal BlueSCSI and an external PiSCSI that I was able to resolve by turning off termination on the PiSCSI. A BlueSCSI in a IIsi requires external power (not enough is provided by the SCSI port itself) so I am assuming it is some weird...

Thanks for the suggestion. I found the zero track alignment procedure in the Dead Mac Scrolls, so I'll give it a shot next weekend and report how it goes.

My recent restoration projects have focused on the Macintosh II line, several of which I used in the early days of my NASA career. I wrote about previous restorations of a Macintosh IIci and Macintosh IIsi on TinkerDifferent. Today’s story is about my personal Holy Grail machine, one that I...

James, for the 7.5.5 image did you edit the gusd resource to enable booting on an SE/30?

Check your CPU. Can’t tell if it is the pic or not, but around pins 11 and 12 there looks like a solder ball. I got a gray screen with my IIci due to some bent pins touching on my CPU. I also wrote about my experiences working on the soft power circuit area here...

Yes, that’s it, Kai. Thank you. The list is proving handy in identifying equivalents for the 24- and 28-pin SRAM chips. I’ve started my troubleshooting of the dead cache card and hope to have more to share soon.

Out of curiosity @Kai Robinson i recall a guide you posted a while back showing memory chip equivalents, but I couldn’t find it. Could you share a link? I’m curious if it has the 24- and 28-pin static RAM chips that my cache cards have such as the CY7C185 and P4C116.

I don’t know much about the 475, but @Kay K.M.Mods created the Spicy O’Clock and he lists the 475 as an overclocking candidate.

I managed to get a second cache card. I’m still curious about troubleshooting the card you sent, especially with the anecdotal evidence of cache cards commonly failing as mentioned earlier in the thread. I’d like to know why.

Here are the same benchmarks as before, with the addition of a Centris 650 (68040 @25 MHz), Quadra 630 (68040 @33 MHz), and a Color Classic Mystic (LC 575 board) overclocked to 40 MHz. Interesting. My takeaway is that the Interware Booster is OK for boosting performance some, but doesn't come...

Yeah, I didn’t write about the PSU daughter board in my write up. It brought to mind the board in an Apple 300i caddy loading CD that I recapped. What a cheap, low-quality board! Naturally, I lost a pad when refurbing the daughter board. I thought for a brief second whether the pad repair might...

Yes, I have seen a few references to swapping out the 50 MHz oscillator, so that is on my future tinkering list. I saw your post and was curious about using the fourth connector from the speaker to drive the LED with disk activity. I tried a simple connection from the fourth to third connector...

I recently came into possession of a Macintosh IIsi for $30 from Yahoo! Japan Auction via the Buyee proxy service, and I thought it would make for an excellent restoration project. As is often common for items on Yahoo! Japan Auction, the IIsi was marked as “junk”. I figured it was worth a...

I managed to score one of these beauties for my Mac IIci, an Interware Booster 40-33 sporting the version 1.1.1 ROM from 1994. It may be a little hard to see above the heatsink, but it is rocking an XC68040RC33M variant of the 68040. Below is a MacBench 3.0 comparison of a stock Mac Iici...

Following. I have a Quadra 630 that exhibits the same green tinting, whether I use a Macintosh Color Display or an Apple Multiple Scan 15 Display.