They discontinued the more elaborate ScrollPoint III Pro Model 31P as pictured above in , presumably due to the cost of manufacture and little demand. When you’re replacing the ScrollPoint LED, ensure the replacement has sufficiently long leads to go inside the spacer. The second and final version of the standard three-button ScrollPoint mice were announced in David Hill the industrial designer of the mouse remarked: The research document can be read here:. These early ScrollPoints were mistakenly reported to use pressure pads instead of the resistance measuring mechanism as found on the TrackPoint. These mice came in two colours:
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If you’re moderately gentle the original porous texture underneath the rubber will be preserved. The ScrollPoint does not light up for these ones.
I will at some point try swapping the ICs to m0o9bo which one is responsible for the behaviour change. They came in two colours: The antique sage ones are prized for their unique look, however.
IBM Mo09bo 3 Button USB Optical Lighted Scroll Mouse Mice DD | eBay
Lenovo no longer manufactures any ScrollPoint mice anymore so they’re now officially dead. I have a few comments about the revision differences. ScrollPoint Sensor Optimization If you rely on the ScrollPoint over a conventional ‘wheel’ mouse and are seeking to increase the performance and capability of your ScrollPoint; there are a few modifications that can help the existing sensor used in these mice. Therefore it may be possible to replace the existing red LED with an infrared one.
The slate blue mice are presumably less common and were only manufactured with IBM logos because this colour was dropped with the later models. When you’re replacing the ScrollPoint LED, ensure the replacement has sufficiently mo09bbo leads to go inside the spacer. All proprietary software is property of IBM. Other colours can be used as well, however not all will mix well with the IBM blue transluscent caps. 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.
If you’re running a Slate Blue rev. Because of the extra feature being able to use them with both interfaces, these microcontrollers are often found in mice from many vendors.
IC replacement Another possible yet less practical solution might be to replace the optical sensor entirely with a superior one able to operate on transparent surfaces, but it would have to match the PCB pinout.
The LED is mounted mo09vo just behind the same– it can be swapped mousw for any desired colour.
IBM Black 3 Button Optical USB Scroll Point Mouse MO09BO
Antique Sage and Slate Blue. The ScrollPoint pointing stick is ideal for both horizontal and vertical scrolling, unlike standard wheel mice. No mechanical ball to get dusty, dirty or stolen. Be careful not to cut too deep and slice away the plastic.
The colour is actually very subtle, but the metallic black really has an edge with the glitter in the injection plastic. Make sure there is no excess glue to make the buttons taller in height than they were originally: Works on many types of surfaces. However, the stark blue doesn’t quite match the translucent “IBM blue” ScrollPoint cap which is very close to lavender. Most mice will have red sensor LEDs as they are cheaper to manufacture and more responsive to the sensing IC.
IBM Black 3 Button Optical USB Scroll Point Mouse MO09BO | eBay
Many used ScrollPoints will have little to no wear as they are generally not used in service extensively from users ultimately swapping them out for a wheel-based mouse; at least, this was common for a time when IBM bundled ScrollPoints with all of their computers such as IntelliStations but ended after a period due to customer disastisfaction.
These early ScrollPoints were mistakenly reported to use pressure pads instead of the resistance measuring mechanism as found on the TrackPoint. It’s also possible to replace the 5mm red optical sensing LED to blue.
First and foremost, it’s interesting the earlier IBM mouse lacked a detachable USB cable– and all of the sudden in the later models they implement this which is helpful when you have to disassemble these mice en-masse. I’m not exactly sure what makes them slower since they’re both DPI according to IBMhowever I presume this is either the optical sensor or the microcontroller.
Here’s a photo comparing both slate blue colours and a metallic black:. This PCB is connected by two ribbon cables that are hard-soldered. I’m not sure why IBM made these mice more expensive to manufacture as time went on perhaps to make it easier to repair as they carried a 1 year on-site warranty; or someone internally at IBM wanted to make it easier for people to mod them– unlikely.