EPoX Computer EP-3VWM specifications Section System Memory Configuration Memory Layout, Dimm

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Installation

EP-3VWM

 

 

 

 

Section 3-3

System Memory Configuration

Memory Layout

The EP-3VWM supports (2) PC100 168-pin DIMMs (Dual In-line Memory Module). The DIMMs is for SDRAM (Synchronized DRAM) only.

DIMM SDRAM may be 83MHz (12ns), 100MHz (10ns) or 125MHz (8ns) bus speed.

If you use both 50ns and 60ns memory you must configure your BIOS to read 60ns.

When using Synchronous DRAM we recommend using the 4 clock variety over the 2 clock.

Figure 6 and Table 1 show several possible memory configuration.

DIMM 1

Bank 0/1

 

-Synchronous

 

DIMM 2

Bank 2/3

 

 

 

 

Dram.

 

Figure 6

 

 

 

 

 

 

 

 

 

Total Memory

DIMM 1

DIMM 2

 

(Bank 0/1)

(Bank 2/3)

 

 

 

 

 

 

 

 

 

 

= 256MB

SDRAM*

 

 

 

 

 

32MB, 64MB, 128MB,

None

 

 

 

Maximum

 

 

 

256MB X 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

= 512MB

SDRAM*

SDRAM*

 

 

 

32MB, 64MB, 128MB,

32MB, 64MB,

 

 

 

Maximum

 

 

 

256MB X 1

128MB, 256MB X 1

 

 

 

 

 

 

 

 

 

 

Table 1

*SDRAM only supports 32, 64, 128, 256MB DIMM modules.

*We recommend to use PC100 Memory Module for bus speed between 66MHz and 100MHz.

*Using non-compliant memory with higher bus speed (over clocking) may severely compromise the integrity of the system.

Page 3-6

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Contents EP-3VWM Handling Procedures User NoticeTechnical Support Services Contacting Technical SupportTable of Contents Appendix C Appendix Appendix aAppendix B Appendix DLeft Blank Components Checklist IntroductionSummary of ATX chassis features EP-3VWM Form-FactorShield Connector Power-On/Off RemoteSystem Block Diagram System Block DiagramFeatures EP-3VWM FeaturesFeatures Installation InstallationEP-3VWM Detailed Layout Section CPU Insertion Installation Section Jumper Settings JP3Section System Memory Configuration Memory Layout DimmDimm Module Installation UnbufferedSection Device Connectors USB port header pin descriptions Power On/Off Award Bios Setup Main MenuBios EP-3VWM Standard Cmos SetupAdvanced Bios Features Bios Features SetupBios EP-3VWM EP-3VWM Bios Characters per second EP-3VWM Bios Advanced Chipset Features EP-3VWM Bios Bios EP-3VWM Integrated Peripherals Bios EP-3VWM EP-3VWM Bios Bios EP-3VWM Power Management Setup Bios EP-3VWM EP-3VWM Bios PNP/PCI Configuration EP-3VWM Bios PC Health Status Frequency/Voltage Control Defaults Menu Supervisor/User Password Setting Enter PasswordExit Without Saving Exit Selecting Save & Exit SetupSave to Cmos and Exit Y/N? Y Quit without saving Y/N? YAppendix a AppendixTimer & DMA Channels MAP RTC & Cmos RAM MAP Appendix For Bios 6.0 Code Appendix BReset keyboard for Winbond 977 series Super I/O Checksum fails, use default value instead Appendix EP-3VWM CDROM… EP-3VWM Left Blank Load Optimized Defaults Appendix CLeft Blank Appendix D Ghost 5.1 Quick User’s GuideAppendix EP-3VWM Appendix EP-3VWM Appendix EP-3VWM Appendix EP-3VWM