Memory Query

Hi,
I have a Platinix 2E mobo and the manual ststes that I should use DDR266 memory. Bought some and won't boot - diagnostics LED indicates that it cannot find memory.

Installed and ran Aida and got following:-


--------[ CPU ]-----------------------------------------------------------

CPU Properties:
CPU Type Intel Pentium 4A, 2400 MHz (4.5 x 533)
CPU Alias Northwood, A80532
CPU Stepping B0
Original Clock 2400 MHz
L1 Trace Cache 12K Instructions
L1 Data Cache 8 KB
L2 Cache 512 KB (On-Die, ATC, Full-Speed)


--------[ Motherboard ]---------------------------------------------------

Motherboard Properties:
Motherboard ID 01/28/2003-i845-W83627-6A69VQ1AC-00
Motherboard Name QDI PlatiniX 2E

Front Side Bus Properties:
Bus Type Intel NetBurst
Bus Width 64-bit
Real Clock 133 MHz (QDR)
Effective Clock 533 MHz
Bandwidth 4267 MB/s

Memory Bus Properties:
Bus Type DDR SDRAM
Bus Width 64-bit
Real Clock 133 MHz (DDR)
Effective Clock 267 MHz
Bandwidth 2133 MB/s

Chipset Bus Properties:
Bus Type Intel Hub Interface
Bus Width 8-bit
Real Clock 67 MHz (QDR)
Effective Clock 267 MHz
Bandwidth 267 MB/s

--------[ Memory ]--------------------------------------------------------

Physical Memory:
Total 255 MB
Used 219 MB
Free 36 MB
Utilization 86 %

Swap Space:
Total 617 MB
Used 192 MB
Free 424 MB
Utilization 31 %

Virtual Memory:
Total 873 MB
Used 411 MB
Free 461 MB
Utilization 47 %

--------[ SPD ------------------------------------------------------------

[ Samsung M3 68L3223FTN-CCC ]

Memory Module Properties:
Module Name Samsung M3 68L3223FTN-CCC
Serial Number 1306F1DDh
Manufacture Date Week 21 / 2005
Module Size 256 MB (2 rows, 4 banks)
Module Type Unbuffered
Memory Type DDR SDRAM
Memory Speed PC3500 (217 MHz)
Module Width 64 bit
Module Voltage SSTL 2.5
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh
Highest CAS Latency 3.0 (4.5 ns @ 222 MHz)
2nd Highest CAS Latency 2.5 (5.0 ns @ 200 MHz)

Memory Module Features:
Early RAS# Precharge Not Supported
Auto-Precharge Not Supported
Precharge All Not Supported
Write1/Read Burst Not Supported
Buffered Address/Control Inputs Not Supported
Registered Address/Control Inputs Not Supported
On-Card PLL (Clock) Not Supported
Buffered DQMB Inputs Not Supported
Registered DQMB Inputs Not Supported
Differential Clock Input Supported
Redundant Row Address Not Supported

Memory Module Manufacturer:
Company Name Samsung
Product Information http://www.samsung.com/Products/Semiconductor/DRAM/index.htm


--------[ Chipset --------------------------------------------------

Chipset Properties:
Motherboard Chipset Intel Brookdale i845E
In-Order Queue Depth 12
CAS Latency 2.5T
RAS To CAS Delay 3T
RAS Precharge 3T
RAS Active Time 6T



Can anyone help? I've bought 2x1Gb DDR266 which the mobo manual says is correct although it currently 256Mb PC3200 installed

Thanks
William