1998 carisma 1.8 glx 16v gearbox problem

Hi all,

First of all can somebody please tell me what gearbox is in my 1998 carisma 1.8 glx 16v.

I also have a bog problem with it, when i try to put it into reverse it will go in now and again but most of the time it slips into first and it also squeeks when i select a gear has anyboy had the same problem or heard of this problem