Overclocking Parhelia with Peltier Cooling!

[borat]

thats one bitch of a speed to be getting out of little P, well done mate.

[Enak]

It will go higher...

Just getting concerned about the P's power supply which is becoming quite warm... some additional cooling may be required.

[Ashley]

Originally posted by Enak
Tonight I'm going to see if I can dump the Pins and make the overclock permanent...

Powerstrip won't let me go any higher :-)

You mean its unstable, or the sliders are maxed out? If its the latter, click the icon immediately below the slider(s) to increase the range...

[Enak]

Maxed out... I'll give that a go tonight!

Thanks Ashley

[Richh]

Originally posted by Ashley
You mean its unstable, or the sliders are maxed out? If its the latter, click the icon immediately below the slider(s) to increase the range...

Alternatively, if you overclock the card by changing the pins file, and then allow PowerStrip to redetect it, your new pins values will be treated as the default clock speed, with the maximum slider values consequently being raised too.

[Enak]

OK, changing the slider max worked in Powerstrip... Screen still corrupts with memory clock increases, but changing the resolution fixes that.

Currently running 350/360MHz

Gonna try the pins file next

[Enak]

Make that 360/360

[Enak]

Just dumped my pinsfile...

Bit confused,can't find the clocks!

Fill: 0 511 0xFF

0 2 0x412E
2 2 0x0200
4 2 0x0609
6 2 0x0876
8 2 0x0001
10 2 0x840A
12 16 ********
28 6 '101'
36 4 0
40 4 0x00000000
44 2 600
46 2 1200
48 2 600
50 2 1200
52 2 50
54 2 400
56 4 600000
60 4 0x00000000
64 2 600
66 2 1600
68 2 600
70 2 1600
72 2 50
74 2 400
76 4 500000
80 4 0x00000000
84 2 600
86 2 1200
88 2 600
90 2 1200
92 2 50
94 2 400
96 4 0
100 4 0x00000000
104 2 600
106 2 1200
108 2 600
110 2 1200
112 2 50
114 2 400
116 4 25175
120 4 0x00000000
124 4 28311
128 4 0x00000000
132 4 0x00054574
136 4 0x0000A0B4
140 4 0xA48A0006
144 4 0x00000242
148 4 0x00000F03
152 4 0x29296464
156 4 0x29290000
160 4 0x00000040
164 4 0x3978C200
168 4 0x80041462
172 4 0x1923297A
176 4 0x00000025
180 4 0x10240902
184 4 0x00040902
188 4 0x00000408
192 4 0x000E607F
196 4 0x55555555
200 4 0x00000000
204 4 0x55555555
208 4 0x01010000
212 4 0x00000000
216 4 0x3978C200
220 4 0x80041462
224 4 0x1923297A
228 4 0x00000025

[Mikko]

Matrox has slightly changed their way to use pinsfile since the original Parhelia-4x. In the pinsfile of Parhelia-8x, you should look for lines 56 and 76.


56 4 600000 = memory speed @300MHz (600MHz effective because of DDR)

76 4 500000 = GPU speed @250MHz (500/2=250)


Those are the default speeds of Parhelia-8x 128MB. So, if you want 360/360 to be permanent, modify lines like this:

56 4 720000

76 4 720000


I hope this helped you.

[Enak]

Bios changed... started with 285/300 for the moment...

If I don't repost, the P is broke!

[Enak]

:-)

All working!

Been doing some stability testing and the P doesn't like running for extended periods of time at the higher clocks... :-(

So for the time being 285 will be the max core speed.

Testing some higher memory speeds now.