need some help tweaking my memory timings. any ideas guys?
thanks a bunch

Field Value
Memory Module Properties
Module Name G Skill F2-8500CL5-1GBPK
Serial Number None
Module Size 1 GB (2 ranks, 4 banks)
Module Type Unbuffered DIMM
Memory Type DDR2 SDRAM
Memory Speed DDR2-800 (400 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh

Memory Timings
@ 400 MHz 5-5-5-15 (CL-RCD-RP-RAS) / 23-42-3-6-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 266 MHz 4-4-4-10 (CL-RCD-RP-RAS) / 16-28-2-4-2-2 (RC-RFC-RRD-WR-WTR-RTP)

Enhanced Performance Profile
Profile Name High Performance
Optimal Performance Profile Yes
Memory Speed DDR2-1066 (533 MHz)
Voltage 2.1 V
Memory Timings 5-5-5-15 (CL-RCD-RP-RAS)
Row Cycle Time (tRC) 47T
Command Rate (CR) 2T
Write Recovery Time (tWR) 12T

Memory Module Manufacturer
Company Name GSkill International Enterprise
Product Information http://www.gskill.com/indexen.html