街头霸王2电玩出招表:实况足球：胜利十一人9》(World Soccer Winning Eleven 9

为什么我安装了实况9之后,游戏总是卡呢?我以为是我的配直问题呢,但好像不是,官方说的配直是:
Minimum System Requirements(最小):
Windows 98SE/ME/2000/XP
Intel Pentium III 800MGHz or equivalent processor (Athlon/Duron/Celeron)
128 MB RAM
4X DVD-ROM Drive
NVIDIA GeForce 3 or ATI Radeon 8500 video card
DirectX 8.1 compatible sound card
DirectX 8.1 or higher (included on Disc 1)
Network(TCP/IP 128kbps or higher)
800MB free hard disk space

Recommended System Requirements(推荐):
Windows 2000/XP
Intel Pentium IV 1.4GHz processor
256 MB RAM
8X DVD-ROM Drive
NVIDIA GeForce 4 Ti, ATI Radeon 9600, or higher
DirectX 8.1 compatible sound card
DirectX 8.1 or higher (included on Disc 1)
Network(TCP/IP 1.5Mbps or higher)
3GB free hard disk space

My System Requirements(我的)
windowsXP SP2
Intel Pentium4 2.8GHz
512MB RAM
NVIDIA GeForce4 MX 440 with AGP8X(Microsoft Corporation)
DirectX 9(已经安装好了)
80GB(硬盘)
我觉得应该没有问题,但是不知道为什么总是卡,就是不流畅,请各位帮忙!!
嘿嘿,我知道了.是因为显卡内存太低,我的显卡内存才64M,所以不行,,呵呵,谢谢大家咯...