Operating instructions

10-10
SCSI REFERENCE 1012975
CHAPTER 10—MODE SENSE (1Ah)
10.3.5 UNIQUE PROPERTIES PAGE (PAGE CODE 21h)
The Unique Properties Page provides information about the options for the
autoloader that are unique to the autoloader.
Page Code – Byte 00, Bits 5 through 0
This field identifies the Unique Properties page. The value of this field must be
21h.
Page Length – Byte 01
This field indicates the length, in bytes, of the Unique Properties parameter
list. The valid value for this field is 04h (4) which indicates that there are an
additional 4 bytes of data that follow this byte.
MaxStor – Byte 4, Bit 4
This field indicates whether the number of available storage elements is
limited to the value specified in the MaxStorAddr field, as follows:
0 – The number of available storage elements is not limited (use all of the
cartridge cells as storage elements)
1 – The number of available storage elements is limited to the value indicated
in the MaxStorAddr field.
The factory default is 0.
The number of cells reported by the autoloader can be set, cleared, or viewed
using the operator panel Limit Cells option or by issuing a MODE SELECT
command with the MaxStor field set to 1.
Bit
Byte
7 6 5 4 3 2 1 0
00 Reserved Page Code (21h)
01 Page Length (4h)
02 (MSB)
Reserved
(LSB)
03
04 Reserved MaxStor RSVD MaxStorAddr
05 SOPR Reserved InvACln Dead RespDuringImmed