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ATTO Technology, Inc.
ATTO FibreBridge Software Manual
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49
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 s
tring
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
1.
Summary of Contents for FibreBridge 2200D
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