Test Unit Ready - X'00'

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The Test Unit Ready command is supported by the tape library. Table 1 shows the command format.

Table 1. Test Unit Ready Command
Byte Bit 7

MSB

 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

LSB
0 Operation Code (X'00')
1 LUN (Obsolete) Reserved
2 Reserved
3 Reserved
4 Reserved
5 Vendor Specific (B'00') Reserved (B'0000') Flag (B'0') Link (B'0')