USB mouse module rev.2 for Amiga 1200 (1D* mainboard)

34.00

Replaces original D-sub 9 Amiga mouse port on your Amiga 1200(HD) with modern USB interface. Connect any USB HID compliant mouse, to your Amiga and use it without any limitations. That is right – this module works with USB mouse of any brand/kind: optical, laser, wireless, just take your pick.

NEW in rev.2:

  • Added resilience against overcurrent/overvoltage on USB port, making mouse hotplug safe
  • Under-the-hood changes for increased performance and stability
  • On-board mount system allowing you to fix the USB module to your rear I/O bracket, or original bottom EMI shield (minor mod needed)

In stock (can be backordered)

SKU: A1200USB_1D Category: Tags: ,

Description

This version is pinout compatible with A1200 mainboard revision 1D* only. Variant for 2B mainboard revision is available here.

Installation in a few easy steps:

  • remove chassis screws, separate top half og the chassis from bottom by lifting it up
  • disconnect LED module from mainboard
  • disconnect and remove keyboard assembly. be easy on connector!
  • unplug, unscrew and remove floppy drive (GOEX, Gotek,…)
  • unscrew mainboard assembly, remove it carefully from the chassis
  • unscrew mouse connector from EMI shielding, unlug its extension cable from mainboard
  • plug in Centuriontech USB module instead.
    IMPORTANT: Make sure pin 1 on USB module pigtail connector, marked with “I” symbol, connects to pin 1 of motherboard mouse port pinheader. Plugging pigtail cable incorrectly will most likely kill your USB module instantly.
  • secure the mainboard and USB module bard to the chassis
  • return and plug back keyboard, floppy drive port device and LED module
  • screw both parts of the chassis back together.
  • connect your favourite USB mouse, fire up your A1200 and enjoy all the comfort.

NOTE: The USB mouse module is powered from CN1 port header of your Amiga mainboard through R352 resistor, which in original configuration serves as basic short circuit protection. Under the load, this resistor inevitably creates slight voltage drop on a VCC. As long as your system is powered from well performing PSU and you do not over-stress USB port, this is perfectly fine. However, in the corner cases the voltage can drop bellow minimum threshold level, which causes USB module and/or USB device to shut off. In such a case, you are advised either to replace the PSU for one with better characteristics, or replace above mentioned 4R7 resistor with 0R value. USB module itself contains its own level of short circuit protection – a resettable polymer fuse.

Credits:
Amiga1200 USB board is based on unmodified SmallyMouse2 design by all great Simon Inns. All the files, schematics and firmware sources can be obtained directly from https://github.com/simoninns/SmallyMouse2

Additional information

Weight 90 g
Dimensions 10 × 12 × 3 cm

5 reviews for USB mouse module rev.2 for Amiga 1200 (1D* mainboard)

  1. Robert

    Hello,
    version for 1D1 mainboard will be available?

    • administrator

      Not planned for the moment 🙁

  2. xraynorm

    Hi

    Does this support the mouse wheel?

    • administrator

      It does not, sorry.

  3. Juri

    Hi,do you have a stock?

    • administrator

      No, sorry. It will eventually be restocked end on Q1/19.

  4. Milan

    Any information about the availability for 1D4 version?

  5. Kelvin

    Another voice here for the 1d4 version 😀

    • administrator

      Its happening guys, they should return to stock in a week of Nov.18

    • administrator

      And it is back on stock!

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