Need to speed up my network card Netgear FA510 pcmcia 32bit

[FernandoRueda]

Laptop pentium 3 850mhz
Xubuntu 16.04 xfce
512MB ram
10GB HD
8MB video memory
Netgear FA510 with a cat5e 6 feet cable.

I'm downloading very very slowly like 100kb/s from a 75mbit comcast and from a local network same, like I put wget 10.0.0.20/videos/video.mp4 and it gets it that slow. I used to have a problem with debian saying that it needs a linux-firmware but this version of Linux I have doesn't have that file I wonder what am I missing thanks.

[FernandoRueda]

here is a screenshoot of my cardbus card when is being inserted into computer pmcia slot.
and you can see how slow is downloading from my other pc on the lan. something about the auto sensing is not sensing the right speed it can do. please advise me I'm on xubuntu 16.04.
check out this screenshoot of my laptopIMG_0795.jpg