Problems setting RAM to spec on Asus P67/i7

I tried setting my RAM to spec on my new system and had a "bad overclock". I got a blue error screen and couldn't get into Windows. Can someone help me figure out what went wrong? On "Auto", things were showing up as 8-8-8-20. I changed the voltage and the speed and manually set the first 4 timings to 8-8-8-21, but something went wrong. Did I change something I shouldn't have in the bios?

My build:
CPU: Intel Core i7 920
mobo: ASUS P6T LGA 1366 Intel X58 ATX
VGA: EVGA GeForce GTX 285 1GB 512-bit
CPU cooler: XIGMATEK Dark Knight-S1283V 1x 120mm
HDD: Western Digital Caviar Black WD1001FALS 1TB 7200 RPM SATA
HDD2: Seagate
400gb internal drive (SATA) (from my old machine)
Disc: LITE-ON 22X DVD Burner Black SATA Model iHAS122-04 - OEM
OS- Microsoft Windows Vista Home Premium SP1 64-bit
RAM: G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Triple Channel Kit Desktop Memory

RAM info:
Speed DDR3 1600 (PC3 12800)
Cas Latency 8
Timing 8-8-8-21
Voltage 1.6V -1.65V
Multi-channel Kit Triple Channel Kit
Features Compatible with Intel Core i7 series CPU for Intel X58 Motherboard

Many thanks in advance!
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More about problems setting spec asus
  1. Oops.. subject should be P6T not P67. (typo)

    Here's more about my error and what I did:

    (Possible clue: something in my bios mentions that the RAM speed on "locked" CPUs may have limited options??)

    I had an error after making the changes, so I changed things back.
    I switched the RAM speed to 1600MHz and the voltage to 1.65v. Also, I changed the below timings from [Auto] to:

    DRAM CAS# Latency -- 8
    DRAM RAS# to CAS# Delay -- 8
    DRAM RAS# PRE Time -- 8
    DRAM RAS# ACT Time -- 21

    (Did I switch the correct timings?)

    The following timings I left alone, all on [Auto]:

    DRAM RAS# to RAS# Delay
    DRAM REF Cycle Time
    DRAM WRITE REcovery Time
    DRAM READ to PRE Time
    DRAM Back-To-Back CAS# Delay

    What went wrong? I'm so stumped.
  2. Anyone have a recommendation for a good place to get answers on this?
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