Я должен обновить Поршень DDR2 в парах?

Я выполняю Vista64 на двухъядерном AMD64 только с 1 ГБ поршня.

Я должен установить поршень DDR2 в парах?

Моя материнская плата:

Manufacturer    ASUSTeK Computer INC.
Model   M2N-E SLI
Version 1.XX
Serial Number   123456789000

North Bridge    NVIDIA nForce 570 SLI Revision A1
South Bridge    NVIDIA nForce 570 SLI Revision A1

CPU AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
Cpu Socket  Socket AM2 (940)

Memory Summary  
Maximum Capacity    4096 MBytes
Maximum Memory Module Size  1024 MBytes
Memory Slots    4

Текущая память:

Memory Summary
Maximum Capacity    4096 MBytes
Maximum Memory Module Size  1024 MBytes
Memory Slots    4
Error Correction    None
DRAM Frequency  251.2 MHz
Memory Timings  4-4-4-8 (CL-RCD-RP-RAS)

Device Locator  Slot 1
Manufacturer    OCZ
Part Number OCZ25331024VDC-K  
Capacity    512 MBytes
Memory Type DDR2 (PC2-4300)
Speed   266 MHz (DDR2 533)
Supported Frequencies   266.7 MHz
Memory Timings  4-4-4-8-16 at 266.7 MHz, at 1.8 volts (CL-RCD-RP-RAS-RC)
Data Width  64 bits
EPP SPD Support No
XMP SPD Support No

Device Locator  Slot 2
Manufacturer    OCZ
Part Number OCZ25331024VDC-K  
Capacity    512 MBytes
Memory Type DDR2 (PC2-4300)
Speed   266 MHz (DDR2 533)
Supported Frequencies   266.7 MHz
Memory Timings  4-4-4-8-16 at 266.7 MHz, at 1.8 volts (CL-RCD-RP-RAS-RC)
Data Width  64 bits
EPP SPD Support No
XMP SPD Support No