System Memory Installation - A-Trend 6241 Manual

Chapter 2 Installation

2-3 SYSTEM MEMORY INSTALLATION

6241 Mainboard provides four 168-pin DIMM sockets for system memory
expansion from 8MB to 512MB SDRAM, 1GB registered SDRAM or 1GB EDO
DRAM. (EDO DRAM is available for 66MHz processors only.) These four DIMMs
are arranged to four banks, please refer to page A.
Bank/DIMM
Bank0/DIMM1
Bank1/DIMM2
Bank2/DIMM3
Bank3/DIMM4
DRAM type, size, parity supported:
 EDO DRAM: for 66MHz system frequency only
 Unbuffered, registered SDRAM with SPD
 Both parity or non-parity are available.
 3.3V, Single/double-side, 8/16/32/64/128Mbytes
(Max. memory size: 256MB registered SDRAM or EDO DRAM)
 Both 4Mbx4 and 16Mbx4 (Each side has 16 chips.) SDRAM devices are
supported in the form of Registered DIMMs only.
 For 66MHz host bus CPUs use 12ns or faster DIMM module;
 For 100MHz host bus CPUs use 10ns or faster and PC-100 compliant modules .
 SPD (Serial Presence Detect)
This EPROM contains speed and design information of the memory module. The
mainboard may get optimal performance via accessing the data of SPD.
 ECC (Error Check and Correction)
This mainboard can support the ECC function while utilizing parity modules. To
enable this function, users must set "DRAM Data Integrity Mode" to "ECC" through
"Chipset Features Setup" from the BIOS setup screen. All in all, ECC's function is to
detect and correct the errors of transfer data.
Memory Module
8/16/32/64/128/(256)MB
8/16/32/64/128/(256)MB
8/16/32/64/128/(256)MB
8/16/32/64/128/(256)MB
Total System Memory
12
6241 Mainboard
Total Memory
8MB~128MB (256MB)
8MB~128MB (256MB)
8MB~128MB (256MB)
8MB~128MB (256MB)
8MB~512MB (1GB)