Stop 124 is a hardware error try reseting cmos your overclock could be the cause

240 is in 2d mode it will do 750 on 3d apps

In the bios go to your memory settings see if there's a memory remap feature because when mines disabled it only see 3 gigs when enabled it shows all 4 gigs.

You just need a rad, pump, fittings, tubing, reservoir/tline and a water block that will fit your cpu socket. You may need to drill holes to mount your rad or pump. I've been using distilled water with silver coils/silver plated fittings/black tubing and haven't any algae growth for 10 months.

This is good board, supports DDR2 mem and Q6600 and PCI-E 2.0 8x/8x in CF GIGABYTE GA-EP45-UD3P

Guru 3d.

Are you using vga or hdmi to connect to the tv?

Added Bitspower Sparkel Kit/top for MCP655/Laing D5 pump

Don't where you live but if you can get more money this motherboard would suite your needs GIGABYTE GA-EP45-UD3P LGA 775 $109 mail in rebate

Your ram is running at 1068 MHz thats why the timings are able to be lower because its running at a lower speed. 9-9-9-24 is the recommended timings when you run the speed at 1600 mhz you can change the ram ratio in the bios.