Thanks for your response.
Applications>System>Info Centre>Xserver shows 1680X1050 so the drivers are doing the best that they can.
My Grub2 tuition was
http://www.dedoimedo.com/computers/grub-2.html a thoroughly good tutorial.
I generated a script for the Pardus entry according to this tutorial and this is what it produced in /boot/grub/grub.conf;
### BEGIN /etc/grub.d/11_Pardus_2009_2 ###
Adding my custom Linux to GRUB 2
menuentry "Pardus 2009-2 Geronticus emerita" {
set root=(hd0,7)
linux /boot/kernel-2.6.31.13-131 root=LABEL=PARDUS_ROOT splash=silent quiet vga=0x31a
initrd (hd0,7)/boot/initramfs-2.6.31.13-131
This has given me two boot loader lines for LinuxMint then The Pardus entry followed by the two Memory Test entries. I disabled 'execution' on all of the other entries. I think that the vga entry only effects the boot screen display and perhaps the fall back vga setting. The kernel should instigate/enable the Nvidia driver as it is loaded. I am probably wrong!
Thanks again for your reply
martin welsh