Page
62
LTO SCSI Interface Manual
3
Reserved
CmdFwd
2StopBits Alerts
4
Port A Transport Type
5
Port A Present Selection ID, MSB
6
Port A Present Selection ID
7
Port A Present Selection ID, LSB
8
Port B Transport Type
9
Port B Present Selection ID, MSB
10
Port B Present Selection ID
11
Port B Present Selection ID, LSB
12
Next Selection ID
13
Jumpered Selection ID
14
Target Initiated Bus Control
15
Reserved Disable Wide Bus Mode
Field Descriptions
Field
Bytes
Bits
Description
Page
Code
0
0-5
22h, indicating the Interface Control Mode Page.
Additional
Page
Length
1
Always 0Eh, indicating that fourteen parameter bytes follow the
Page Length byte.
Baud Rate
2
The baud rate at which the Library interface will operate after the
next reset.
0 = 9600 baud
1 = 4800 baud
2 = 9600 baud
3 = 19200 baud
4 = 38400 baud
5 = 57600 baud
6 = 112500 baud
Alerts
3
0
0 = Disable unsolicited alert messages to the tape library via the
serial interface.
1 = Enable unsolicited alert messages to the tape library via the se-
rial interface.
This field is fixed at 0 and is not changeable, because Alerts are
not implemented.
2StopBits
3
1
0 = Library interface transmits 1 stop bit per byte.
1 = Library interface transmits 2 stop bits per byte.
Cmd Fwd
3
2-3
0 = Command forwarding disabled.
1 = Command forwarding enabled.
Note: Not all drives support command forwarding. If the value in
this field is zero and it is not changeable, then command forwarding
is not supported.
Port A
Transport
Type
4
Always 1, indicating SCSI Parallel.
Port A
Present
Selection
ID
5-7
Byte 5 = 0 for SCSI drives.
Byte 6 = 0 for SCSI drives.
Byte 7 = The current SCSI device ID.
Port B
Transport
Type
8
Always 0 for SCSI drives