Question about the Macintosh Portable

[Froggy814]

Okay, Thanks!

 

[Froggy814]

I did the two diode mods. Here are some photos in case one of you wants to do it. I went to the resistor because there was a steady 5v there.

Zener Diode Mod


External SCSI Mod

 

[Froggy814]

Also, does anyone know if I can restore the original silicone rollers on the trackball? I don't like the 12 dollar price tag on the ones on ebay.

 

[Froggy814]

BlueSCSI on Macintosh Portable

I am using no special configuration (Mac Plus) and a self made adapter (some pics in the Resources section of the forum). Virtual drive formatted using HD Toolkit and with HDT driver installed. I just did a random test, waking it up 10 times in sequence after sleep. Not a single failure, even...

tinkerdifferent.com

@Sideburn
Do you remember or know what pin on the portable is 5v for the floppy drive? Can you label it? Thanks!

 

[finkmac]

Also, does anyone know if I can restore the original silicone rollers on the trackball? I don't like the 12 dollar price tag on the ones on ebay.

no.
just buy some silicone earring backs in an appropriate size.

 

[David Cook]

Also, does anyone know if I can restore the original silicone rollers on the trackball? I don't like the 12 dollar price tag on the ones on ebay.

Macintosh Portable horror story

The final conclusion of my earlier post is: TRACKBALL REPAIR SUCCESS! The tubing I ordered from this AliExpress seller ("ID 0.8mm OD 4mm") arrived last night, which enabled me to finish the repair today: I tried all kinds of nippers and other tools, but in the end, what make the straightest...

tinkerdifferent.com