System operation before kernel is loaded
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A programmable read-only memory (PROM) chip with a monitor program runs diagnostics and displays device information.
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It is also used to program default boot parameters and test the devices connected to the system.
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The basic input/output system (BIOS) runs diagnostics and displays device information.
A Solaris Device Configuration Assistant boot diskette with the Multiple Device Boot (MDB) program is used to boot from non-default boot partitions, the network, or CD-ROM.
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Booting the system
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Boot programs
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bootblk, the primary boot program, loads ufsboot.
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ufsboot, the secondary boot program loads the kernel.
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mboot, the master boot record, loads pboot.
pboot, the Solaris partition boot program, loads bootblk.
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bootblk, the primary boot program, loads ufsboot.
ufsboot, the secondary boot program, loads the kernel.
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System shutdown
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Disk controllers
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Disk slices and partitions
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A disk may have a maximum of eight slices, numbered 0-7.
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The Solaris fdisk partition may contain up to ten slices, numbered 0-9, but only 0-7 can be used to store user data.
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A disk may have a maximum of four fdisk partitions.
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The Solaris fdisk partition may contain up to ten slices, numbered 0-9, but only 0-7 can be used to store user data.
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Diskette drives
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