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Memory Modules


Detailed information about memory modules with SPD support. Information about EPP and XMP memory profiles.
Provides information for memory modules with SPD support. To read the information memory module and chipset should support SPD. Currently the program supports the following chipsets:
  • with Intel PIIX4 south bridge
  • Intel 440MX
  • SMSC Victory66
  • with Intel ICH/ICH0/ICH2/ICH2-M/ICH3-S/ICH3-M/ICH4/ICH4-M/ICH5/ICH5R/ICH6/ICH7/ICH8/ICH9/ICH10/6300ESB/6321ESB hub
  • Intel EP80579 processor
  • Intel 5 Series/3400 Series
  • Intel 6 Series/C200 Series
  • Intel X79
  • Intel DH89xxCC series
  • Intel System Controller Hub
  • Intel Atom E6xx processor
  • Intel Panther Point
  • Intel Panther Point-LP
  • Intel Lynx Point
  • Intel 8 Series
  • Intel Wellsburg
  • Intel 9 Series
  • Intel Coleto Creek
  • Intel Wildcat Point-LP
  • Intel Avoton SoC
  • Intel BayTrail SoC
  • with VIA 596/A/B south bridge
  • with VIA 686/A/B south bridge
  • with VIA VT8231/VT8233/VT8233A/VT8233C/VT8235/VT8237/VT8237A/VT8251/CX700 south bridge
  • VIA VX800/VX820
  • VIA VX855/VX875 processors
  • with Reliance/ServerWorks OSB4/CSB5/CSB6/HT1000/HT1100 south bridge
  • with AMD 755/756/766/768/8111 south bridge
  • AMD Hudson-2
  • AMD CZ
  • with ALI 1533/1543/1535 south bridge
  • with nVidia nForce/nForce2/nForce3/nForce4 south bridge
  • with nVidia MCP51/MCP55/MCP61/MCP65/MCP67/MCP73/MCP78/MCP79/MCP89 south bridge
  • with SiS 5595/961/962/963/964/965/966/968 south bridge
  • with ATI SB200/SB300/SB400/SB600/SB700/SB800 south bridge.

Note: SPD reading is blocked on some Asustek motherboard models.

Memory Slot N

Information about memory module in slot number N

Memory Type: Memory module features - size, speed (PC66, PC100, PC133 for SDRAM; PC1600, PC2100, PC2700, PC3200 for DDR SDRAM), memory usage type (SDRAM, DDR SDRAM, DDR SGRAM, DDR2 SDRAM, DDR3 SDRAM, DRDRAM, EDO).

Manufacturer: Memory module manufacturer. If module memory manufacturer is unknown (memory was made in China) the program will identify it as "Noname".

Module Type: Memory module type (DIMM, RIMM, SO-RIMM).

Number of Rows/Banks:

Module Attributes: Possible values: 'Unbuffered', 'Buffered', 'Registered, Unbuffered', 'Registered, Buffered'. Only for SDRAM and DDR memory.

Error Checking: Memory module error checking. None - absent, Parity - parity check, ECC - error correction (in brackets error correction module discharge). Only for SDRAM and DDR memory.

CAS# Latency: Time it takes to position the proper sector under the read/write head. In brackets: Cycle Time in nanoseconds / maximum frequency in MHz, Timings, CL-tRCD-tRP-tRAS, tWR-tRC, Access Time - access time in nanoseconds. Only for SDRAM and DDR memory.

CLS# Latency: CLS# Latency. Only for DRDRAM.

CS# Latency: CS# Latency. Only for DDR.

WE# Latency: WE# Latency. Only for DDR.

Refresh Rate: Memory module refresh rate.

Data Width: External bus data width.

SDRAM Width: Memory module organization. Only for SDRAM, DDR.

Voltage Interface: Memory module voltage interface.

Max Case Temperature: Maximum case temperature.

Protocol Version: Current RDDRAM protocol version. Only for RDDRAM.

SPD Revision: Number of the using SPD revision.

Part Number: Unique part number.

Manufacturing Location: Memory module manufacturing location

Manufacture Date: Memory module manufacture date.

Serial Number: Unique module's serial number.

Revision Code: Number of the module revision code.

EPP Support: Enhanced Performance Profiles (EPP) is supported.

Optimal Profile: The EPP Profile for Optimal Performance. Specifies which Profile should be loaded to maximize system performance.

XMP Support: Intel Extreme Memory Profile (XMP) is supported.

XMP Revision:

EPP Profile N

EPP Profile Type: The EPP section of the SPD may contain one of two defined profile types: Full Profile and Abbreviated Profiles.

CAS# Latency: Time it takes to position the proper sector under the read/write head. In brackets: Cycle Time in nanoseconds / maximum frequency in MHz, Timings, CL-tRCD-tRP-tRAS, tWR-tRC.

Address Command Rate: If the command rate is set to 1T, then commands can be sent on every clock edge. If the command rate is set to 2T, then commands can be sent on every other clock edge.

Voltage Interface: The voltage level required for this profile.

XMP Profile N

CAS# Latency: Time it takes to position the proper sector under the read/write head. In brackets: Cycle Time in nanoseconds / maximum frequency in MHz, Timings, CL-tRCD-tRP-tRAS, tWR-tRC.

Voltage Interface: The voltage level required for this profile.

Note: Some characteristics of Noname memory modules can be identified as 'None', i.e. corresponding information is absent.


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