Purpose of this tesing was basically to find out how far these first batch of 875P's can overclock... 
The processor ran rock stable @189fsb with Abit BH-7. I only used the same voltage of 1.55v that I used with BH-7.
I found out that if you want to change the timing of the memory, you have to change the H/W Strap Setting in the bios (thanks, THUGS.
). All the testings were done with 1:1 ratio.
Sytem Spec
P4 2.4B SL6EF (week 39) - 1.55v
Abit IC7 (shipping bios)
Kingston Hyper-X PC3500 2x 256mb - 2.7v
Thermake AquariusII H2O kit, Koolance CPU-200 waterblock, ASII
Antec TruePower 550w
GF4 Ti4200 (128MB) - det 40.72 (WHQL) - WinXP SP1
>H/W Strap Seetings<
H/W533: 2-2-2-6
H/W667: 2-3-3-7
H/W800: 2.5-3-3-8 :Q
>Maximum FSB< (P95 1hr loop, Hot CPU Tester (6hr test!!), 3DMark 2001SE 1hr loop)
H/W533: 186FSB (3355MHz)
H/W667: 188FSB (3391MHz)
H/W800: 188FSB (3391MHz)
>Max OC Comparison<
3355MHz (186fsb) H/W533: 2-2-2-6
AIDA read - 4668
AIDA write - 1456
Sandra Memory - 4601/4602
3DM 2001SE - 12949
3391MHz (188fsb) H/W667: 2-3-3-7
AIDA read - 4383
AIDA write - 1265
Sandra Memory - 4496/4499
3DM 2001SE - 12694
3391MHz (188fsb) H/W800: 2.5-3-3-8
AIDA read - 4146
AIDA write - 1172
Sandra Memory - 4284/4292
3DM 2001SE - 12566
>186FSB (3355MHz) Performance Comparison<
H/W533: 2-2-2-6
AIDA read - 4668
AIDA write - 1456
Sandra Memory - 4601/4602
3DM 2001SE - 12949
H/W667: 2-3-3-7
AIDA read - 4383
AIDA write - 1265
Sandra Memory - 4496/4499
3DM 2001SE - 12694
H/W800: 2.5-3-3-8
AIDA read - 4146
AIDA write - 1172
Sandra Memory - 4284/4292
3DM 2001SE - 12566
At least now we know 2 Canterwood boards (PJ's Aopen & mine) are able to overclock beyond 180fsb...
Enjoy!
The processor ran rock stable @189fsb with Abit BH-7. I only used the same voltage of 1.55v that I used with BH-7.
I found out that if you want to change the timing of the memory, you have to change the H/W Strap Setting in the bios (thanks, THUGS.
Sytem Spec
P4 2.4B SL6EF (week 39) - 1.55v
Abit IC7 (shipping bios)
Kingston Hyper-X PC3500 2x 256mb - 2.7v
Thermake AquariusII H2O kit, Koolance CPU-200 waterblock, ASII
Antec TruePower 550w
GF4 Ti4200 (128MB) - det 40.72 (WHQL) - WinXP SP1
>H/W Strap Seetings<
H/W533: 2-2-2-6
H/W667: 2-3-3-7
H/W800: 2.5-3-3-8 :Q
>Maximum FSB< (P95 1hr loop, Hot CPU Tester (6hr test!!), 3DMark 2001SE 1hr loop)
H/W533: 186FSB (3355MHz)
H/W667: 188FSB (3391MHz)
H/W800: 188FSB (3391MHz)
>Max OC Comparison<
3355MHz (186fsb) H/W533: 2-2-2-6
AIDA read - 4668
AIDA write - 1456
Sandra Memory - 4601/4602
3DM 2001SE - 12949
3391MHz (188fsb) H/W667: 2-3-3-7
AIDA read - 4383
AIDA write - 1265
Sandra Memory - 4496/4499
3DM 2001SE - 12694
3391MHz (188fsb) H/W800: 2.5-3-3-8
AIDA read - 4146
AIDA write - 1172
Sandra Memory - 4284/4292
3DM 2001SE - 12566
>186FSB (3355MHz) Performance Comparison<
H/W533: 2-2-2-6
AIDA read - 4668
AIDA write - 1456
Sandra Memory - 4601/4602
3DM 2001SE - 12949
H/W667: 2-3-3-7
AIDA read - 4383
AIDA write - 1265
Sandra Memory - 4496/4499
3DM 2001SE - 12694
H/W800: 2.5-3-3-8
AIDA read - 4146
AIDA write - 1172
Sandra Memory - 4284/4292
3DM 2001SE - 12566
At least now we know 2 Canterwood boards (PJ's Aopen & mine) are able to overclock beyond 180fsb...
Enjoy!
