Change document file size upload limit on powercms?

Hello, I have a client that needs to upload some pretty big PDF files on his site. They are bigger than the current allotted size in powercms upload. How can I change the upload size limit? Many thanks!

see this thread for details;
showthread.php?t=19204

That thread only showed to adjust image dimensions, not file upload size.

This is the only code in that file with the word upload:
$kfm->defaultSetting('use_imagemagick',1);
//upload
$kfm->defaultSetting('allow_file_upload',1);
$kfm->defaultSetting('only_allow_image_upload',0);
$kfm->defaultSetting('use_multiple_file_upload',1);
$kfm->defaultSetting('default_upload_permission',644);
$kfm->defaultSetting('banned_upload_extensions',array());
$kfm->defaultSetting('max_image_upload_width', 1024);
$kfm->defaultSetting('max_image_upload_height', 768);

Can you point me to where the default file upload size is so larger PDFs can be uploaded?
Many thanks!

Sorry, i misunderstood what you where asking.

the allowed file size is controlled in the php.ini file.

see this page for details on php settings that effect the allowed file size:
wap_upload.asp?page=php2

many thanks, but after doing a search, there is no php.ini file in the site?

the php.ini file is a file that controls php server settings, your host may or not allow you to modify the php.ini settings, you will need to contact them for assistance.