overclock cpu (warning totall newbie) :D

I want to overclock my cpu.But this is my first time so need help here


Here is my pc specs(i took it from other topic but nothing is changed only i added 512 mb ram(kingstom))


CPU


PROCESSOR

Name:Intel Pentium 4
Code name:willarnette Brand id: 9
Package:Socket 478 mPGA
Technology:0.18 um Core voltage: 1.712v

Specification: Intel(R) Pentium(R) CPU 1.60 ghz
Family: F Model: 1 Stepping: 3
Ext Family: F Ext Model: 1 Revision: EO
Instructions: MMX,SSE,SSE@

CLOCKS(CORE#0)

Core speed:1597.3 MHz (and changing )
Multiplier: x 16.0
Bus speed: 99.8 MHz
Rated FSB: 399.3 MHz


CACHE

L1 Data: 8KBytes
L1 Trace: 12 Kuops
Level 2: 256 KBytes


CACHE

L1 D-CACHE

Size: 8KBytes
Descriptor: 4-way set associative, 64-byte line size

Trace cache

Size: 12 kuops
Descriptor: 8-way associative

L2 Cache

Size: 256 Kbytes
Descriptor: 8-way set associative,64-byte line size



MAINBOARD


Motherboard

Model: P4X266-8233
Chipset: VIA : P4X266 (VT8753) Rev. : 01
Southbridge: VIA : VT8233A
LPCIO: Winbond : W83697HF

BIOS

Brand: Award software international,Inc.
Version: 6.00 PG
Date: 05/29/2002


Graphic Interface

Version: AGP version 3.0
Transfer Rate: 2x Max supported : 4x
Side band: not supported



MEMORY

General

Type: DDR
Size: 256 MBytes

Tirning

DRAM Frequency : 133.2 MHz
FSBRAM: FSB+## MHz
CAS# Latency(CL): 2.5 clocks
RAS# to CAS@DELAY (tRCD): 3 clocks
RAS#Precharge (tRP): 3 clocks
Cycle time(tRAS): 6 clocks


SPD

Memory slot selection

Slot #1: DDR (other 2 slots are empty)

Module Size : 256 MBytes correction: none
Max bandwidth: PC2100 (113 MHz) Registered: no
Manufacturer: Kingston Buffered: no
Part number: KVR266X64C25/256
Serial Number: 0414F904 Week/Year: 37.02


Tirnings Table

Frequency: 100 MHz : 133 MHz
CAS# Latency: 2.0 :2.5
RAS# to CAS#: 2 : 3
RAS# Precharge: 2 : 3
tRAS: 5 : 6
Voltage: 2.5 V : 2.5 V



i need to know how much and how to overclock (without buyng a new cooler)


If need any other things to know just ask.