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MSI MS-9246 User Manual

Page 53

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3-5

Mainboard Hardware

Memory

The mainboard provides 6 slots for 184-pin DDR DIMM (Double In-Line Memory

Module) modules. You can install PC2100/DDR266 or PC2700/DDR333 DDR SDRAM
modules on the DDR DIMM slots (DIMM 1~6).

Memory Bus Features

‹ Support for direct connect of two DDR channel interfaces, DDR266/DDR333 tech-

nology

‹ Full operation support in single-channel mode on either interface
‹ Stacked or unstacked DIMM support for registered DDR266 technology(up to four

DIMMs per channel)

‹ Stacked or unstacked DIMM support for registered DDR333 technology(up to

three DIMMs per channel)

‹ 144-bit wide with ECC, DDR266/DDR333 memory interface supports x72, ECC,

registered DDR266/DDR333 DIMMs (using 128 Mb, 256 Mb, 512Mb, and 1 Gb)

‹ Maximum 16 GB support with DDR333 up to two stacked DIMMs(1 Gb x4 DRAMs)
‹ Maximum 24 GB support with DDR266 up to two stacked DIMMs(1 Gb x4 DRAMs)
‹ Data bandwidth per channel 2.13 GB/s (DDR266) / 2.7 GB/s (DDR333)
‹ Support for S4EC/D4ED (144,128) x4, Intel x4 Single Device Data Correction (x4

SDDC) ECC in dual channel mode

‹ Support SEC/DED (72,64) ECC on each channel when Intel Single Device Data

Correction (SDDC) is disabled

D
I
M
M

A1

D
I
M
M

B1

D
I
M
M

A2

D
I
M
M

B2

D
I
M
M

B3

D
I
M
M

A3

CKE:

0/1

2/3

4/5

0/1

2/3

4/5

0/0#

2/2#

1/1#

1/1#

2/2#

0/0#

Clock:

C/S:

0/1

4/5

4/5

0/1

2/3

2/3

SPD:

A0h

A2h

A4h

A8h

AAh

ACh

MCH

1

2

3

4

5

6