DTK PRM-0075I, User Manual

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Jumper Settings
21
2.12 MEMORY CONFIGURATION
The mainboard lets user upgrade system memory via SIMM and DIMM sockets on
the mainboard.
Four SIMM sockets (SIMM1, SIMM2, SIMM3, SIMM4) are provided for SPM,
FPM and EDO RAM SIMM and two DIMM sockets (DIMM1, DIMM2) are
available for the SDRAM or 3.3V EDO DIMM.
Note: The type of SIMM1/SIMM2 must be same.
The type of SIMM3/SIMM4 must be same.
SIMM1/SIMM2 and DIMM1 cannot co-exist.
SIMM3/SIMM4 and DIMM2 cannot co-exist.
Table 1 provides some typical memory configuration supported by the mainboard.
Onboard memory is located in two banks:
Bank 0: SIMM1 & SIMM2
OR
DIMM1
Bank 1: SIMM3 & SIMM4
OR
DIMM2
The total memory size is 4-256MB and various configuration of DRAM types in the
following table are for reference:
Bank 0
(SIMM 1,2/DIMM1)
Bank 1
(SIMM 3,4/DIMM2)
Single None
None Single
Single Single
Single Double
Double Single
Double None
None Double
Double Double
Table 1