Product data

ATTO Technology, Inc. ATTO FibreBridge Software Manual

- -

ATTO Technology, Inc.

Buffer ID nvram offset Buffer Description (default values*)

9: Reserved

a: 0x27 Hard Address (default 0x03)

b: 0x28 Cache Options (default 0x00)

Bits 7 -2 – Reserved

Bit 1 – Write Cache Enable1 = Write Cache Enabled 0= Write Cache Disabled

Bit 0 - Disk Caching 1 = Disk Caching Only 0 = No Caching

c: 0x29 SCSI Adapter 1 Options (default 0x0F – FBS, default 0x2F –

FBE)

d: 0x2A SCSI Adapter 2 Options (default 0x0F – FBS, default 0x2F –

FBE)

Bits 7-6 - Reserved

Bit 5 - Reserved (FBS)

Bit 5 - LVD/Ultra2 Transfers (FBE)1 = Yes 0 = No

Bit 4 – Power On Bus Reset 1 = Suppressed 0 = Not Suppressed

Bit 3 - Tagged Command Queuing 1 = On 0 = Off

Bit 2 - Wide Narrow Transfers 1 = Wide 0 = Narrow

Bit 1 - Sync/Async Transfers 1 = Sync 0 = Async

Bit 0 - Ultra/Fast Wide Transfers 1 = Ultra 0 = Fast Wide

e: Reserved

f: Reserved

10: 0x2B - 0x2D Physical Device Addressing Method (default 0x82 0x04 0x44)

Consists of 3 hex bytes bb ll tt (bb=busid, ll=lun, tt=target id).

The left hex digit is the bit number of the rightmost field bit in the LUN.

The right hex digit is the number of bits in the field.

11: 0x31 - 0x33 Logical Unit Addressing Method (default 0x53 0x05 0x84)

See Physical Device Addressing Method.

12: 0x2E - 0x30 Virtual Device Addressing Method (default 0x02 0x63 0x24)

See Physical Device Addressing Method.

13-15: Reserved

16: 0x23 ATTO FibreBridge Options (default 0x00)

Bit 5-7: Reserved.

Bit 4: Translate QUEUE FULL to BUSY, 1 = Enable, 0 = Disable

Bit 2-3: Reserved.

Bit 1: Enable/Disable Bridge Soft SCSI LUN, 1 = Enable, 0=Disable (FBE)

(uses FibreBridge Soft Fibre LUN byte to determine actual ID)

Bit 0: Perform/Suppress LUN Translations, 1 = Perform, 0 = Suppress.

17: 0x08 - 0x0B ATTO FibreBridge Model Parameters (default 0x00 0x00 0x01 0x00)

Byte 3: FC Port Type 0x00 = Unknown 0x01 = DB9 0x02 = GBIC (FBE)

Byte 2-0: Reserved

18: 0x37 – 0x3E ATTO FibreBridge Name (default space characters (0x20)

User defined printable ASCII string intended to facilitate user identification

of each FibreBridge. This string is returned by the INQUIRY command in the

ASCII implemented operation definition page (0x82) when the EVPD bit is set to