diff --git a/_posts/2017-08-28-of-mice-and-when.md b/_posts/2017-08-28-of-mice-and-when.md index d37f3074a..5b860d132 100644 --- a/_posts/2017-08-28-of-mice-and-when.md +++ b/_posts/2017-08-28-of-mice-and-when.md @@ -40,7 +40,8 @@ Even this Wikipedia article on the [Microsoft Mouse](https://en.wikipedia.org/wi The first Microsoft Mouse, introduced in 1983, was available in Serial and Bus versions. The Serial version required a serial port using a DB-25 connector, while the Bus version came with a small ISA card that connected to the mouse -with a smaller DB-9 connector. +with a smaller DB-9 connector. For more details (with pictures), check out this 2014 article on +[The Original Microsoft Mouse](https://communities.intel.com/docs/DOC-22714). Fast-forward to 1986, when Microsoft announced the InPort chip. As of May 9, 1986, all of its "Bus" mice were reportedly shipping with the InPort chip, along with a new, round 9-pin connector (not to be confused with the round @@ -52,6 +53,7 @@ different programming interfaces. They used the same range of ports by default InPort chip added a number of registers that could only be accessed by first writing a register number to the card's "Address" port (0x23C) and then reading or writing that register through the card's "Data" port (0x23D). + --- This post barely scratches the surface of the evolution of the Microsoft Mouse, the various shapes and sizes of mice