pc8500 1066 mhz 2x2gb ram dimm1&3 problem!!

[4x64]

I found this BIOS template and it was for a set of PC2-8500's from another manufacturer.
You can look at these, but it would be best to post what you have in your bios first.

eVGA/XFX 780i BIOS Settings

Advance Chipset Features

System Clocks

** Frequency Setting **
CPU Multiplier - x9
PCIe x16_3, MHz - 120
SSP<->MCP Ref Clock, MHZ - 250.0

** HT Multiplier **
nforce SPP --> nForce MCP 4 x
nforce SPP <-- nForce MCP 4 x

** Spread Spectrun Setting **
x CPU Spread Spectrun - Disabled
x HT Spread Spectrun - Disabled
x PCIe Spread Spectrun(MCP) - Disabled
x SATA Spread Spectrun - Disabled

FSB & Memory Config

FSB - Memory Clock Mode - Unlinked
x FSB - Memory Ratio - Auto
FSB (QDR), MHz - 1700
MEM (DDR), MHz - 907

Memory Timing Setting

Memory Timing Setting - Expert
tCL (CAS Latency) - 4
tRCD - 3
tRO - 3
tRAS - 8
Command Per Clock (CMD) - 2T

** Advance Memory Settings **
tRRD - Auto(4) (4)
tRC - Auto(26) (26)
tWR - Auto(6) (6)
tWTR - Auto(10) (9)
tREF - Auto (7.8uS)

CPU Configuration

Limit CPUID MaxVal - Disabled
Intel SpeedStep - Disabled
PPM Mode - Native Mode
CPU Thermal Control - Disabled
C1E Enhanced Halt State - Disabled
Excute Disable Bit - Disabled
Virtualization Technology - Disabled
CPU Core 0 - Enabled
CPU Core 1 - Enabled
CPU Core 2 - Enabled
CPU Core 3 - Enabled

System Voltages

CPU Core - 1.60000 (1.52v)
CPU FSB - Auto (1.4v)
Memory - 2.200v ( 2.200v)
nForce SPP - Auto (1.40v)
nForce MCP - Auto (1.500v)

GTLVREF Lane 0 - Auto (+00mv)
GTLVREF Lane 1 - Auto (+95mv)
GTLVREF Lane 2 - Auto (+00mv)
GTLVREF Lane 3 - Auto (+00mv)

HPET Function - Disabled

Intergrated Peripherials

RAID Config
IEEE1394 controller - Disabled
HD Audio - Disabled
IDE HDD Block Mode - Enabled
Onboard FDC Controller - Enabled
Onboard Serial Port 1 - Disabled

PnP/PCI Configurations
Init Display First - PCIEx
Reset Configuration - Disabled
Resources Controlled By - Auto(ESCD)

PCI/VGA Palette Snoop - Disabled
PCI Latency Timer(CLK) - 32

** PCI Express relative items **
Maximum Payload Size - 4096

I suspect you will find it is a memory controller issue on the particular board you have.-- 4x64