How to connect to sql server database

[eluser]stefenw[/eluser]
i follow all instructions in there ,
i download sqlsrv30.exe and add this to php.ini

extension=php_sqlsrv_54_ts.dll
extension=php_pdo_sqlsrv_54_ts.dll

i install Native Client 10
i change sqlsrv_driver.php in folder database-driver-sqlsrv

to

Code:

function db_pconnect() {
        //return $this->db_connect(TRUE);
        return $this->db_connect(TRUE);
    }

but it not work , still

Unable to connect to your database server using the provided settings.

Filename: C:\xampp\htdocs\HRM\system\database\DB_driver.php

Line Number: 124

what should i do ? please help