🚀 go-pugleaf

In article <1992Oct3.180446.17361@ni.umd.edu> louie@sayshell.umd.edu (Louis A.  
Mamakos) writes:
=>In article <1992Sep29.163803.20641@dvorak.amd.com> rpomeroy@aunext3.amd.com  
writes:
=>>OK,
=>>
=>>Let's say I'm in the rom monitor ( i.e. the NeXT> prompt ).  I want to  
change  
=>>the boot parameter such that the device at SCSI address 4 is the default  
boot  
=>>device.  I have 4 devices on the bus.  
=>>
=>>	internal 100meg		SCSI 1
=>>	internal floppy		SCSI 7
=>
=>Actually, the floppy is not a SCSI device.  SCSI address 7 corresponds to
=>the NeXT host adaptor's SCSI address.
=>
=>>	cdrom drive		SCSI 2
=>>	external 400meg		SCSI 4  <--- boot from here!!!!
=>>
=>>Exactly what do I enter at the "boot command" prompt ?
=>
=>SCSI disk devices are numbered sequentially, ordered by SCSI address.
=>So in your case,
=>
=>sd0	- SCSI address 1 - internal 100M
=>sd1	- SCSI address 2 - CDROM
=>sd2	- SCSI address 4 - external 400M
=>
=>The boot command would be
=>
=>bsd(2,0,0)sdmach rootdev=sd2
=>
=>You need to pass the rootdev=sd2 specificiation to have the kernel use
=>the disk you booted from (sd2) rather than sd0 as the root file
=>system.
=>
=>For more information, see page 145 of the release 2.x "Network and
=>System Administration" manual.
=>
=>louie

Another way is the change the SCSI address of the 400M drive to 0.  The  
internal drive is set by NeXT to have an SCSI address as 1.  The device with  
the lowest SCSI address will end up being sd0.  The default boot device for  
the NeXT is sd0....

--
Paul S. Sears                *  sears@uh.edu (NeXT Mail OK)
The University of Houston    *  suggestions@tree.egr.uh.edu (NeXT
Engineering Computing Center *  comments, complaints, questions)
NeXT System Administration   *  DoD#1967 '83 NightHawk 650SC 
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