Tom's Hardware > Forum > Overclocking > CPUs > A, B, or C

A, B, or C

Forum Overclocking : CPUs - A, B, or C

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I have a P4 1.7 Ghz but im not sure if I have an A, B, or C type. Does anyone know of anyway to find out, and does anyone know if I can overlock it even without any special fans or anything.

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1.7 is probably A, you'll probably hit 2.4Ghz with stockcooling.

-Intel PIV 2.6C @ 3.276G -Asus P4P800 -OCZ Copper 4x256 4000EL memory @ 252mhz 2.5-3-4-6 -XFX 5900 128meg 570/1040 -SB audigy -2x120G Seagate 7200.7 S-ATA150 hdd -450 Enermax PSU

Reply to scottchen

Not if its a willamette. I always though the odd numbered P4's below 2GHz were all willamettes whilst the evens (1.6A, 1.8A) were northwoods.

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Reply to tombance

Oh right willies, I'm not sure if 180nm could even reach 1.7ghz

-Intel PIV 2.6C @ 3.276G -Asus P4P800 -OCZ Copper 4x256 4000EL memory @ 252mhz 2.5-3-4-6 -XFX 5900 128meg 570/1040 -SB audigy -2x120G Seagate 7200.7 S-ATA150 hdd -450 Enermax PSU

Reply to scottchen

Ha, you got a crappy rig.

Anyone who clames they can tell the difference between 450 and 500 FPS in Quake 3 should be severly beaten in the head with a rock. :eek:

Reply to YYZ_Slayer

Wow, you're helpful.

-Intel PIV 2.6C @ 3.276G -Asus P4P800 -OCZ Copper 4x256 4000EL memory @ 252mhz 2.5-3-4-6 -XFX 5900 128meg 570/1040 -SB audigy -2x120G Seagate 7200.7 S-ATA150 hdd -450 Enermax PSU

Reply to scottchen

Is there any way to check what kind it is. Oh yeah and what is stockcooling? Thx in advance.

Reply to Starkyca

stock cooling, is your boxed cooler, the one that came with your CPU.

-Intel PIV 2.6C @ 3.276G -Asus P4P800 -OCZ Copper 4x256 4000EL memory @ 252mhz 2.5-3-4-6 -XFX 5900 128meg 570/1040 -SB audigy -2x120G Seagate 7200.7 S-ATA150 hdd -450 Enermax PSU

Reply to scottchen

A, B, and C are Northwood cores. Your's in none of those, it's a Williamette core. It might be Socket 423 or Socket 478. Only Socket 478 boards are compatable with Northwood core P4's. You should find out what board you're using.

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<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>

Reply to Crashman

Crashman you're sure?

-Intel PIV 2.6C @ 3.276G -Asus P4P800 -OCZ Copper 4x256 4000EL memory @ 252mhz 2.5-3-4-6 -XFX 5900 128meg 570/1040 -SB audigy -2x120G Seagate 7200.7 S-ATA150 hdd -450 Enermax PSU

Reply to scottchen

All 1.3, 1.4, 1.5, 1.7, and 1.9GHz P4's are Williamette. 1.6, 1.8, and 2.0 can be either Willy OR Woody. Williamettes can be EITHER socket 423 or 478.

<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>

Reply to Crashman

Ok, thx for the information.

-Intel PIV 2.6C @ 3.276G -Asus P4P800 -OCZ Copper 4x256 4000EL memory @ 252mhz 2.5-3-4-6 -XFX 5900 128meg 570/1040 -SB audigy -2x120G Seagate 7200.7 S-ATA150 hdd -450 Enermax PSU

Reply to scottchen

my motherboard is:

Motherboard Properties
Motherboard ID 04/25/2002-SiS-650-6A6IXM4DC-00
Motherboard Name MSI MS-6533G

Front Side Bus Properties
Bus Type Intel NetBurst
Bus Width 64-bit
Real Clock 100 MHz (QDR)
Effective Clock 400 MHz
Bandwidth 3200 MB/s

Chipset Bus Properties
Bus Type SiS MuTIOL
Bus Width 16-bit

Motherboard Physical Info
CPU Sockets/Slots 1
Expansion Slots 3 PCI, 1 AGP, 1 CNR
RAM Slots 2 DIMM
Integrated Devices Audio, Video
Form Factor Micro ATX
Motherboard Size 230 mm x 240 mm
Motherboard Chipset SiS650

Motherboard Manufacturer
Company Name Micro-Star International
Product Information http://www.msi.com.tw/program/prod [...] d_list.php
BIOS Download http://www.msi.com.tw/program/supp [...] s_list.php

Reply to Starkyca

Acording to MSI this board supports 400MHz bus only. It may support 533 bus by overclocking, but that's chancy. You can probably find a 2.4A, 2.5A, or 2.6A at a discount price now that they're outdated. A stands for Northwood with 400MHz bus.

<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>

Reply to Crashman
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