HP ZT1121 LAPTOP CPU UPGRADE TO PENTIUM

[tgbuc]

looking for a Pentium upgrade for celeron SL643 in HP ZT1121s laptop.
Anyone know what would be compatible?
Tried an SL5CL but it won't boot up!

[Neon_WA]

here is a list of cpus that should run in the notebook (off HP site)

Intel Mobile Celeron processor - 1.06GHz (Tualatin, 133MHz front side bus, 256KB L2 cache, uFCPGA, 0.13u, RH80530NZ004256)
Intel Mobile Celeron processor - 1.13GHz (Tualatin, 133MHz front side bus, 256KB L2 cache, uFCPGA, 0.13u, RH80530NZ006256)
Intel Mobile Celeron processor - 1.20GHz (Tualatin, 133MHz front side bus, 256KB L2 cache, uFCPGA, 0.13u, RH80530NZ009256)
Intel Mobile Pentium III-M processor - 1.06GHz (Tualatin, 133MHz front side bus, 512KB L2 cache, uFCBGA, 0.13u, RJ80530GZ004512)
Intel Mobile Pentium III-M processor - 1.13GHz (Tualatin, 133MHz front side bus, 512KB L2 cache, uFCBGA, 0.13u, RJ80530GZ006512)
Intel Mobile Pentium III-M processor - 1.20GHz (Tualatin, 133MHz front side bus, 512KB L2 cache, uFCPGA, 0.13u, RH80530GZ009512)

by HPs list, the processor u tried should of worked
unless its dead

[tgbuc]

THANKS FOR THAT NEON
BOUGHT AN SL642 ON EBAY LAST NIGHT BEFORE I RECEIVED YOUR REPLY.
THIS LAPTOP MAY HAVE OTHER PROBLEMS SO I BOUGHT THIS CELERON CHEAPLY AS MY NEXT STEP FORWARD.