6402 datasheet(197/250 Pages) INTEL

197 / 250 page

Intel® 6400/6402 Advanced Memory Buffer Datasheet

197

Registers

14.5.2.6

MBLFSRSED: Memory Test Circular Shift and LFSR Seed

14.5.2.7

MBFADDRPTR: Memory Test failure Address Pointer Register

14.5.2.8

MB_ERR_DATA00: Memory Test Error Data 0 Bytes [3:0]

Stores the first 32 bits of the 1st 144 bit failure data Research: compare all

14.5.2.9

MB_ERR_DATA01: Memory Test Error Data 0 Bytes [7:4]

Stores the second 32 bits of the 1st 144 bit failure data.

Device:

NodeID

Function: 3

Offset:

A4h

Bit

Attr

Default

Description

31:0

RWST

0000h

DMBLFSRSED:MemBIST LFSR Seed

This 32 bit register will be used as the initial data seed for LFSR or Circular shift

data pattern.

Device:

NodeID

Function: 3

Offset:

A8h

Bit

Attr

Default

Description

31:0

RWST

0000h

DMBFADDRPTR: This 32 bit register designates which MemBIST failures to log in

the available failure address locations.

The default value of this register is zero. It means MemBIST always logs beginning

with the first failure. If it is programmed to hex A (10 in decimal), MemBIST will log

failures starting from the11th failure.

The corresponding MB_ERR_DATA0 register will log corrupted data in the first

designated failure address.

Note: this register does not affect the MBDATA failure bit location accumulators.

Device:

NodeID

Function: 3

Offset:

B0h

Bit

Attr

Default

Description

31:0

RWST

0000h

DATA: Early failure data [31:0]

Device:

NodeID

Function: 3

Offset:

B4h

Bit

Attr

Default

Description

31:0

RWST

0000h

DATA: Early failure data [63:32]

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