From what I can gather the slate blue ScrollPoints came out first and the metallic black ones came out after with some changes. Sometimes they are listed under 31P, I think this might be only on very early models from Audible Download Audio Books. Replacement batteries for Bluetooth wireless mice are not readily available. Despite IBM’s original Almaden page proclaiming “After a few days with the ScrollPoint, you’ll find you can’t go back” most people still prefer wheels. I would have rated it 5 stars, but the wheel is not quite as smooth for scrolling as its Lenovo wired ‘big brother’ that I’m more accustomed to. And fortunately you can just use the black rubber siding from a slate blue MO18B so it fits nicely at the top and you get a fresh piece.

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Some of the earlier ScrollPoint Pros suffer from misaligned buttons at the assembly process which results in a click response that isn’t as crisp and slightly spongy.

You have to use a fine pair of pliers to snip the excess plastic out, shown here: Now power down again. Get fast, free shipping with Amazon Prime. Page 1 of 1 Start over Page 1 of 1.

Half-Saint Thread Starter Posts: The buttons are responsive and make soft clicking sounds. Alexa Actionable Analytics for the Web. Andy “Nobody expects the Spanish Inquisition!!!! However, it is a standard size mouse and it is not nearly as good as the mini-sized mouse.


Have you tried plugging in a USB memory stick to see if it works while the mouse does not work? Another difference is that the bottom covers are different between the two as well: Read reviews that mention travel mouse scroll wheel ibm thinkpad best mouse mouse ever travel mice mouse when i bought mouse for small great mouse laptop lenovo button precise buttons mouss computer died fingers move scrolling.

I’ve replaced the original blue LED with a purple one, and it really fits the mouse very well 1 matching the ScrollPoint cap’s original colour much better 2 makes the glow a lot more soft and less visually intrusive. Here’s a photo comparing both slate blue colours and a metallic black:.

Vintage IBM Scroll Optical Mouse Model Mo27fo

It still has an IBM logo but its much closer to the bottom not the buttons. He won’t break-up the lot. Disassembling the ScrollPoint mechanism itself reveals the mousd which sense the resistance when compressed, along with the patent number for the technology on the back which doesn’t seem to be an IBM patent: You have to use a fine pair of pliers to snip the excess plastic out, shown here:.

The research document can be read here:. It is best mouae to load the IBM mouse drivers. I have at least average-to-larger hands for a man, yet I’ve found that these small-to-medium, travel-size mice provide better physical control.

USB mouse problems

I am not sure if the sensor will pick it up, but it should; and if it does, you’ll have a more intuitive mouse able to hit more surface variations. Ensure this works, then power off the system. The models for both mice are the same, however the part number varies depending on which colour you get.


This PCB is connected by two ribbon m027r0 that are hard-soldered.

Options by IBM: IBM Optical 3-Button Travel Wheel Mouse — dpi — PS/2 & USB

For some reason only the ivory version has the IBM logo printed up near the top of the mouse instead near the bottom like the other ones, AND later black ones used a silver logo.

Moise smaller footprint not quite 3.

USB mouse problems I have similar issues. I’ve seen problems with IBM mouse drivers on multiple Windows platforms.

Like all things, eventually these mice will be harder to find as time goes on. Does the wheel light up like the ScrollPoints on later ScrollPoint-equipped mice?

Don’t see what you’re looking for? The first version of the standard three-button ScrollPoint mice were announced in around By the way I didn’t have much luck with the Mouse Suite software for the scrollpoint mice I have.