I just built a new system and I need help with my DRAM timings. I'm not looking to overclock at all, I just want some stable settings that will give the performance the manufacturer promised.
The RAM is 2x2G G.Skill PC2 8500 1066MHz advertised as 5-5-5-15 @ 2.0V~2.1V
My BIOS did not auto setup the settings anywhere near this, so I manually set some of them, but some other settings are a mystery to me.
This is what I have: (Items with a * indicate settings I have manually entered)
CAS 5*
TRCD 5*
TRP 5*
TRTP 3CLK-5CLK (only other option is 2CLK-4CLK)
TRAS 15*
TRC 20*
TWR 3 (Options are 3, 4, 5, 6)
TRRD 4 (Options are 4, 5, 6, 7)
TWTR 0 (Options are 4, 5, 6, 7 - I don't know how it's at 0)
TRFC0 11 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
TRFC1 9 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
TRFC2 9 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
TRFC3 9 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
Mode 2T* (Options are 0, 1T, 2T)
DIMM Voltage is auto set to 1.92V
What else, if anything, should I change? Should I set the voltage up to 2.0 or 2.1?
Thanks,
~Kenny
EDIT:
Also, Windows XP 32-bit SP3 reports my 4Gigs as 3.25Gigs. As I understand, 32-bit operating systems can only recognize up to 3.25Gigs. Is this true? I do have the option to upgrade to Windows XP Pro 64-bit but didn't want to hassle myself unless I have to do so to get the rest of my RAM utilized.
The RAM is 2x2G G.Skill PC2 8500 1066MHz advertised as 5-5-5-15 @ 2.0V~2.1V
My BIOS did not auto setup the settings anywhere near this, so I manually set some of them, but some other settings are a mystery to me.
This is what I have: (Items with a * indicate settings I have manually entered)
CAS 5*
TRCD 5*
TRP 5*
TRTP 3CLK-5CLK (only other option is 2CLK-4CLK)
TRAS 15*
TRC 20*
TWR 3 (Options are 3, 4, 5, 6)
TRRD 4 (Options are 4, 5, 6, 7)
TWTR 0 (Options are 4, 5, 6, 7 - I don't know how it's at 0)
TRFC0 11 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
TRFC1 9 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
TRFC2 9 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
TRFC3 9 (Options are 75ns, 105ns, 127.5ns, 195ns, 327.5ns)
Mode 2T* (Options are 0, 1T, 2T)
DIMM Voltage is auto set to 1.92V
What else, if anything, should I change? Should I set the voltage up to 2.0 or 2.1?
Thanks,
~Kenny
EDIT:
Also, Windows XP 32-bit SP3 reports my 4Gigs as 3.25Gigs. As I understand, 32-bit operating systems can only recognize up to 3.25Gigs. Is this true? I do have the option to upgrade to Windows XP Pro 64-bit but didn't want to hassle myself unless I have to do so to get the rest of my RAM utilized.