Now that I've found my max Bclk limit of 228-230Blck, it's time to revisit max i7 920 AIR overclocks with HT disabled

Room temp = 21.5C - 23.5C

System specs
  • Intel Core i7 920 3836A756
  • Thermalright Ultra 120 Extreme + LGA1366 Bolt Thru kit + 2x 120x38mm Scythe UltraKaze 2000rpm 87cfm fans in push/pull
  • DFI LP UT X58-T3EH8 R.A51 - 01/06 beta bios
  • 128MB Gainward FX5200 PCI
  • 2x1GB Corsair DDR3-2133C9DF Dominator + 1GB G.Skill PC3-12800HZ (3x Samsung HCF0)
  • Ram cooling: 3x 60x25mm Sunon 23.5cfm Maglev fans
  • 80GB Hitachi 7K80 SATAII
  • Pioneer DVD-RW
  • 1KW Corsair HX1000 psu
  • WinXP Pro SP3 full nLite updated hotfixes / Windows 7 beta dual boot


i7 920 3836A756 @4769Mhz at 1.59375v bios







Max screen capture capable @4680Mhz at 1.5875v bios



Max Super Pi 1M & Pifast
@4677Mhz at 1.5875v bios


40416 efficiency





Max Super Pi 32M


@4638Mhz - more efficient run (2178985)



@4652Mhz - less efficient run (2184839)

Lucky I took this screen capture first, as system rebooted before I could load the other cpuz instances :o



Bench rig photos







Probably at the limit of this cpu on air, close to swapping cpu out and testing the other i7 920 3836A756 I have