thanks  Simon 
thanks  Ben
 CPUID
 -tag: 'GenuineIntel'
 -fullname: 'Intel(R) Xeon(TM) CPU 3.60GHz'
Computed name: 'Intel P4 Xeon DP (Irwindale)'
 -notes: DP
 cpus cores hyperT =threads L1    L2    L3   code
  2 *   1  *   2   =  4     16K 4096K    0K   16K
 family-model  Brand  Extd:family-model  Brand [9-30b]
    F-4-3       2000            00-0       000
 features: mmx sse sse2 sse3 em64t
 cpuid   -eax-    -ebx-    -ecx-    -edx-
 0..0   00000003 756E6547 6C65746E 49656E69
 0..1   00000F43 07020800 0000659D BFEBFBFF
 0..2   605B5001 00000000 00000000 007D7040
 0..3   00000000 00000000 00000000 00000000
 8..0   80000008 00000000 00000000 00000000
 8..1   00000000 00000000 00000000 20100000
 8..2   65746E49 2952286C 6F655820 4D54286E
 8..3   50432029 2E332055 48473036 286E007A
 8..4   20294D54 20555043 30362E33 007A4847
 8..5   00000000 00000000 00000000 00000000
 8..6   00000000 00000000 08006040 00000000 
 Speed=3591 Mhz
    Test  :    L1   L2   RAM
    8 ints:   6485  3060 3439 - Reads
    8 ints:   3192  1754 1787 - Writes
     4 sse:  20418  3980 3992 - Reads
     4 sse:  12536  1568 1244 - Writes
 pre-cache:     33    33 4173 - Reads
not-cached:     33    33 3177 - Writes                                  
My Computer -  here - 
http://setiathome.berkeley.edu/beta/show_host_detail.php?hostid=5302Model  Dell Inc. Precision WorkStation 670
Chassis Type : Mini Tower
Operating System : Microsoft Windows XP Professional Service Pack 2 (Build 2600) 
Hard Drive 1 : MAXTOR ATLAS15K2_36WLS 
Size : 34.73 GB 
Memory - Total RAM Installed : 2048 MB - Type : DIMM - Used RAM Slots: 2 of 6 
Peripherals 
USB Version : 2.0
Number Of Processors : 2 Hyper-Threading Enabled
Type : Intel Xeon 3600 MHz
Package : mPGA-604
Manufacturer Codename : Nocona
Clock Speed : 3590   MHz
Clock Multiplier : 18.0
Front Side Bus (FSB) Speed : 800 MHz
L2 Cache Size : 2048 KBytes Stepping : N0
Trace Width : 0.09
Microcode : 4h
Instruction Sets : MMX, SSE, SSE2, SSE3, X86-64 
Processor Throttling : Enhanced SpeedStep+
Best Wishes
Byron