שאלה שניה: יש לי כבר סטיק 256MB של DDR האם נכון להוסיף 2 סטיקים של SDRAM?

מצ"ב דו"ח אוורסט

motherboard: Epox EP-8RDA3(I)/8RDAE(I)

  Motherboard:
   CPU Type                     AMD Athlon XP, 1833 MHz 2500+
   Motherboard Name                 nVidia-nForce
   Motherboard Chipset                nVIDIA nForce2 Ultra 400
   System Memory                   256 MB
-------------
--------[ DMI ]---------------------------------------------------------------------------------------------------------

 [ BIOS ]

  BIOS Properties:
   Size                       64 KB
   Boot Devices                   Floppy Disk, Hard Disk, ATAPI ZIP, LS-120
   Capabilities                   Unknown
   Supported Standards                DMI, ACPI
   Expansion Capabilities              AGP, USB

 [ System ]

  System Properties:
   Wake-Up Type                   Power Switch

 [ Motherboard ]

  Motherboard Properties:
   Product                      nVidia-nForce

 [ Chassis ]

  Chassis Properties:
   Chassis Type                   Desktop Case

 [ Memory Controller ]

  Memory Controller Properties:
   Error Detection Method              8-bit Parity
   Error Correction                 None
   Supported Memory Interleave            1-Way
   Current Memory Interleave             1-Way
   Supported Memory Speeds              70ns, 60ns
   Supported Memory Types              SPM, EDO
   Supported Memory Voltages             5V
   Maximum Memory Module Size            32 MB
   Memory Slots                   3

 [ Processors / AMD Athlon(tm) XP ]

  Processor Properties:
   Manufacturer                   AMD
   Version                      AMD Athlon(tm) XP
   External Clock                  166 MHz
   Current Clock                   1833 MHz
   Type                       Central Processor
   Voltage                      3.3 V
   Status                      Enabled
   Upgrade                      ZIF
   Socket Designation                Socket A

 [ Caches / Internal Cache ]

  Cache Properties:
   Type                       Internal
   Status                      Enabled
   Operational Mode                 Write-Back
   Maximum Size                   128 KB
   Installed Size                  128 KB
   Supported SRAM Type                Synchronous
   Current SRAM Type                 Synchronous
   Socket Designation                Internal Cache

 [ Caches / External Cache ]

  Cache Properties:
   Type                       External
   Status                      Enabled
   Operational Mode                 Write-Back
   Maximum Size                   512 KB
   Installed Size                  512 KB
   Supported SRAM Type                Synchronous
   Current SRAM Type                 Synchronous
   Socket Designation                External Cache

 [ Memory Modules / A0 ]

  Memory Module Properties:
   Socket Designation                A0
   Speed                       60 ns
   Installed Size                  256 MB
   Enabled Size                   256 MB

 [ Memory Modules / A1 ]

  Memory Module Properties:
   Socket Designation                A1
   Speed                       60 ns
   Installed Size                  Not Installed
   Enabled Size                   Not Installed

 [ Memory Modules / A2 ]

  Memory Module Properties:
   Socket Designation                A2
   Speed                       60 ns
   Installed Size                  Not Installed
   Enabled Size                   Not Installed

 [ Memory Devices / A0 ]

  Memory Device Properties:
   Form Factor                    DIMM
   Size                       256 MB
   Device Locator                  A0
   Bank Locator                   Bank0/1

 [ Memory Devices / A1 ]

  Memory Device Properties:
   Form Factor                    DIMM
   Device Locator                  A1
   Bank Locator                   Bank2/3

 [ Memory Devices / A2 ]

  Memory Device Properties:
   Form Factor                    DIMM
   Device Locator                  A2
   Bank Locator                   Bank4/5

 [ System Slots / PCI0 ]

  System Slot Properties:
   Slot Designation                 PCI0
   Type                       PCI
   Usage                       In Use
   Data Bus Width                  32-bit
   Length                      Long

 [ System Slots / PCI1 ]

  System Slot Properties:
   Slot Designation                 PCI1
   Type                       PCI
   Usage                       Empty
   Data Bus Width                  32-bit
   Length                      Long

 [ System Slots / PCI2 ]

  System Slot Properties:
   Slot Designation                 PCI2
   Type                       PCI
   Usage                       In Use
   Data Bus Width                  32-bit
   Length                      Long

 [ System Slots / PCI3 ]

  System Slot Properties:
   Slot Designation                 PCI3
   Type                       PCI
   Usage                       In Use
   Data Bus Width                  32-bit
   Length                      Long

 [ System Slots / PCI4 ]

  System Slot Properties:
   Slot Designation                 PCI4
   Type                       PCI
   Usage                       Empty
   Data Bus Width                  32-bit
   Length  
----------
--------[ Motherboard ]-------------------------------------------------------------------------------------------------

  Motherboard Properties:
   Motherboard ID                  <DMI>
   Motherboard Name                 nVidia-nForce


--------[ Chipset ]-----------------------------------------------------------------------------------------------------

 [ North Bridge: nVIDIA nForce2 Ultra 400 ]

  North Bridge Properties:
   North Bridge                   nVIDIA nForce2 Ultra 400
   Supported FSB Speeds               FSB200, FSB266, FSB333, FSB400
   Supported Memory Types              DDR-200 SDRAM, DDR-266 SDRAM, DDR-333 SDRAM, DDR-400 SDRAM

  Chipset Manufacturer:
   Company Name                   NVIDIA Corporation
   Product Information                [url]http://www.nvidia.com/page/mobo.html[/url]
   Driver Download                  [url]http://www.nvidia.com/content/drivers/drivers.asp[/url]
   Driver Update   

יש לוחות ישנים שתומכים גם ב DDR וגם ב SDR, בכל מקרה אי אפשר לשלב DDR אם SDR.