What is the highest Ubuntu i can install without it being so slow? Thanks

Here are the specs:

```
Specifications
Name    Dell Inspiron B130
Processor   Intel Pentium-M 730 1.73GHz
Screen  14.1“ WXGA
RAM 512MB
HDD 60GB
Optical Drive   DVD-ROM/CD-RW
Graphics    Intel Graphics Media Accelerator 900
Network 10/100 Ethernet, Dell 1370 802.11g Wireless or Dell 1470 802.11a/b/g Wireless
Other   3 x USB2.0
Linux Compatibility
Device  Compatibility   Comments
Processor   Yes 
Screen  Yes 
HDD Yes 
Optical Drive   Yes 
Graphics    Yes 
Sound   Yes Use the snd-hda-intel module
Ethernet    Yes 
Wireless    Partial 
56K Modem   Not Tested  
USB Yes 

```