need help with setting up fps,tick rate and maxupdate

[yourba]

Hi am running a dedicated css server i'll give u guys all the details of my pc and server:
internet speed:1.2mbps
pc:window xp, 1gb of ram , pentium 4,3.00ghz

server:
// Rate Settings
sv_minrate 5000
sv_maxrate 25000
sv_minupdaterate 20
sv_maxupdaterate 80
sv_unlag 1
sv_maxunlag 1

my startup line: C:\srcds\srcds.exe -console -game cstrike -secure+fps_max 500 -tickrate 60+maxplayers 10 +map de_dust2