6402 datasheet(192/250 Pages) INTEL

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Registers

192

Intel® 6400/6402 Advanced Memory Buffer Datasheet

26:24

000

ALGO: Embedded Algorithm selection:

Embedded Algorithm selection:

000 => No embedded algorithm is selected. Normal command will be executed

from the selection of MBCSR bits field [5:4]

001 => Scan: ^ (WD1); ^(RD2); ^ (WI3); ^ (RI4)

010 => Undefined

011 => Data Retention Write or Init: ^ (WD1);

100 => Data Retention Read : ^ (RD2);

101 => Mats +: ^(WD1); ^(RD2, WI3); v(RI4, WD5);

110 => March C-: ^(WD1); ^(RD2, WI3); ^(RI4, WD5);

v(RD6, WI7); v(RI8, WD9); v(RD10);

111 => Undefined

23:22

Reserved

21:20

CS: CS[1:0] selection in MemBIST mode

01: select Rank 0

10: select Rank 1

00: Reserved

11: Reserved

INVERT: Invert data pattern when data is written out to DRAM.

18:16

000

FIXED: Fixed data pattern selection for MemBIST operation

000 => 0

001 => F

010 => A

011 => 5

100 => C

101 => 3

110 => 9

111 => 6

ENABLE288: Enable 288 bits user defined pattern for memory fill write only.

There is no data comparison, error logger functions for 288 bits user defined

data.

0 => 144 bits user defined data pattern when MBCSR[9:8] selects user defined

data.

1 => 288 bits user defined data pattern when MBCSR[9:8] selects user defined

data.

MBDATA: Selects use of MBDATA for error log field for LFSR, Circular Shift and

user defined data modes. This field has no effect on fixed data patterns.

0 => use MBDATA0/1/2/3/8 for failure data bit location accumulator.

1 => use MBDATA0/1/2/3/8 to log 5 failure addresses.

ABAR: MemBIST output address compliment for FastX, FastY, and FastXY.

Whenever this bit is enabled, Bank, Row, Column address will be inverted on

alternate addresses as described in the MemBIST chapter.

0 => Regular addressing

1 => Dynamic address inversion

ADIR: Address decode direction for FastX, Fast Y, FastXY

0 => Address increments

1 => Address decrements

Device:

NodeID

Function: 3

Offset:

40h

Bit

Attr

Default

Description

6402 Datasheet(PDF) 192 Page - Intel Corporation

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