- Hewlett-Packard Ultra3 SCSI Host Bus Adapter Installation and Configuration Guide

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Bit Mask Options
Use the example below as an aid for calculating Bit Mask option hex values.
Each SCSI device is enabled by a 1 in its corresponding bit position. The table
that follows the figure, lists the binary-to-hex conversions. Using this example,
if you want to enable scanning for LUNs 0, 2, and 6 on all targets, then use the
command line option of lun_enable=0045.
Figure 5-1. Bit Mask Options
Binary Hex Binary Hex
0000 0 1000 8
0001 1 1001 9
0010 2 1010 A
0011 3 1011 B
0100 4 1100 C
0101 5 1101 D
0110 6 1110 E
0111 7 1111 F