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Scsi chip id (scid), Register: 0x04 – Avago Technologies LSI53C1000R User Manual

Page 144

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4-32

Registers

Version 2.2

Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.

Message phases are not affected by this bit. Because
Ultra160 DT SCSI transfers are always wide this bit must
be set. If it is not set, an SGE interrupt occurs.

R

Reserved

[2:0]

Register: 0x04

SCSI Chip ID (SCID)
Read/Write

R

Reserved

7

RRE

Enable Response to Reselection

6

When this bit is set, the LSI53C1000R is enabled to
respond to bus-initiated reselection at the chip ID in the

Response ID Zero (RESPID0)

and

Response ID One (RESPID1)

registers. Note that the

chip does not automatically reconfigure itself to the
initiator mode as a result of being reselected.

SRE

Enable Response to Selection

5

When this bit is set, the LSI53C1000R can respond to
bus-initiated selection at the chip ID in the

Response ID Zero (RESPID0)

and

Response ID One (RESPID1)

registers. Note that the

chip does not automatically reconfigure itself to target
mode as a result of being selected.

R

Reserved

4

ENC[3:0]

Encoded Chip SCSI ID

[3:0]

These bits store the LSI53C1000R encoded SCSI ID.
This is the ID that the chip asserts when arbitrating for
the SCSI bus. The IDs that the LSI53C1000R responds
to when selected or reselected are configured in the

7

6

5

4

3

0

R

RRE

SRE

R

ENC[3:0]

x

0

0

x

0

0

0

0

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