HI, I always get a grub prompt ,after I installed 2nd processor to the Server IBM x3610 At the grub prompt, I always have to issue below commands. Then, Server starts successfully. grub> root (hd0,0) Filesystem type is ext2fs, partition type 0x83 grub> kernel /vmlinuz-2.6.18-128.1.1.el5PAE [Linux-bzImage, setup=0x1e00, size=0x1bb714] grub> initrd /initrd-2.6.18-128.1.1.el5PAE.img grub> boot Could you pls let me know to overcome this issue? Hope to hear from you. -- Thank you Indunil Jayasooriya