How are the P4 2.0 Ghz O/Cing??

[nealh]

I have seen a couple posts of these running at 50% overclock..are C1 stepping out on these???

 

[Yeti101]

The ones that are running at 3Ghz are C1 chips, I've seen 2 people in these forums that have them..... The 2.0A's I've seen get to 2.5-2.7, though.......

 

[nealh]

any idea where people are getting these C1 steppings???

 

[John]

Originally posted by: nealh
any idea where people are getting these C1 steppings???

Dell of all places.

 

[ivanov]

oem ones... these C1s have yet to show up on retail boxed versions

 

[nealh]

Thanks

OEM...are most OEM in the retail sector C1 now.....

Yeti 101 are the 2.0 you refer non C1 chips...

debating on a 1.8a vs 2.0a...the 1.8a non C are getting often to 2700(no guarantee of course)....if most C1 2.0's are getting to 3.0 ghz or 50 % ..then I would wait a little longer..non C1 2.0's are getting bascically what a good 1.8a does

 

[AdamK47]

I have a 2.0 GHz P4 that I pulled from a Dell system. The stepping is SL6GQ. It's not overclocking like I expected it to. I'm currently at 2.9 GHz with the C1 stepping default voltage of 1.525 V. At 3.0 GHz it won't run stable no matter what I do. Not even a voltage change will allow it to run stable. The system previously had a 1.8 GHz P4 B0 stepping that ran with a 150 MHz bus for 2700 MHz no problem. Before anyone suggests, it's not the memory or AGP/PCI clock.

 

[lastig21]

Has anyone gotten an oem or retail P4 2.0Ghz C1 from an online vendor? What about other cpu speeds with the C1 stepping?

 

[nealh]

Adamk47-3ds...2.9 ghz off a P4 2.0A is not bad ..145 fsb..though I would like to get a chip to run stable at 150fsb.....
I am waiting for the GB dual channel ddr mobos to hook up with probably a P4 1.8a and hope to get 150fsb or 2700....seems like a better chance with the 1.8a

wonder if I got P4 2.0a@2900 vs 1.8a@2700 if I would see any difference....I have modest goals I do not expect like 155-160 or greater fsb

My current Athlon 1700 is at 148 fsb...but at 150 run winxp all day but if run games(crash after 5-15 min) or video editing(I get a floating point error so I assume this is cpu and not my ram)..I have a better cpu cooler on it AX-7 with ASII

The system seems to run nice at 150 fsb in winxp and most other non intensive cpu apps..so I think my crucial pc 2100 ddr at cas 2-2-6-2T is not limiting factor

Anyone have a nice chip they want sell..I got paypal noncc funds

 

[AdamK47]

Yeah, 2.9GHz is far from being bad. It's just that the CPU will run at that speed with default voltage, but not any higher with a voltage increase. I've overclocked dozens of CPUs and most of them will go a little higher with a voltage increase. The 2.9 is still faster than my 1.8 at 2.7. I can however lower the memory timings from 2.5-3-3-6 to 2.5-2-3-5. 400 MHz DDR is still faster than the 387 MHz DDR that I'm at now.

 

[techietam]

I have Celeron 2.0 C1 stepping
Runs only @ 2.58, since my mobo doesn't have voltage control :|

 

[masterxfob]

i've got a 2.0A at 133fsb for 2.67 with 1.56v that's prime95 stable. i tried bumping it to 140 fsb for 2.8 but it won't run prime95 longer than 5 minutes, and i'm scared to increase the voltage.

 

[LarryJoe]

Originally posted by: AdamK47 - 3DS
I have a 2.0 GHz P4 that I pulled from a Dell system. The stepping is SL6GQ. It's not overclocking like I expected it to. I'm currently at 2.9 GHz with the C1 stepping default voltage of 1.525 V. At 3.0 GHz it won't run stable no matter what I do. Not even a voltage change will allow it to run stable. The system previously had a 1.8 GHz P4 B0 stepping that ran with a 150 MHz bus for 2700 MHz no problem. Before anyone suggests, it's not the memory or AGP/PCI clock.

I have the same exact problem. I can run my 2.0 C1 at 2910 at 1.6 volts stable. BUT, at 3.0 or higher it requires a lot more voltage (1.8) and still not Prime95 or 3DMark loop stable. Very frustrating, all I want is to get 90 more mhz to reach the magical 3.0 and you would think that since 2910 is a piece of cake that 3000 would be simple.

It is like Intel designed it this way or something.