Product data

ManualsBrandsATTO Technology ManualsComputer equipment2200R

ATTO Technology, Inc. ATTO FibreBridge Software Manual

- -

ATTO Technology, Inc.

Buffer ID nvram offset Buffer Description (default values*)

8: 0x44 Firmware Options (default 0x0000)

Bits 15-10 Reserved

Bit 9 ACK0 Enable 1= Use ACK0 w/ Class2 0 = Use ACK1 w/ Class2

Bit 8 Class 2 Support1 = Class 2 Enabled 0 = Class 2 Disabled

Bit 7 Reserved

Bits 6-4 Connection Mode

Buffer Value Meaning

3 Point-toPoint Preferred, Otherwise Loop Only

(unsupported)

2 Loop Preferred. Otherwise Point-toPoint

(unsupported)

1 Point-to Point only

0 Loop only

Bits 3-0 Reserved

9: Reserved

a: 0x28 Hard Address (default 0x03)

b: 0x29 Cache Options (default 0x00)

Bits 7 -2 – Reserved

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

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

c: 0x2A SCSI Adapter 1 Options (default 0x2F)

d: 0x2B SCSI Adapter 2 Options (default 0x2F)

Bits 7-6 - Reserved

Bit 5 - LVD/Ultra2 Transfers 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: 0x2C - 0x2E 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: 0x32 - 0x34 Logical Unit Addressing Method (default 0x53 0x05 0x84)

See Physical Device Addressing Method.

12: 0x2F - 0x31 Virtual Device Addressing Method (default 0x02 0x63 0x24)

See Physical Device Addressing Method.

13-15: Reserved

16: 0x24 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

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

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