Operating Systems HP-UX HPUX 10.20 SCSI Hardware Drivers Post 303042686 by KeithM on Friday 3rd of January 2020 11:14:08 AM
HPUX 10.20 SCSI Hardware Drivers

I own a 1999 vintage HP Logic Analyzer that runs HPUX 10.20. It is a 9000/775/rock system similar to a Visualize C132L/160L system.


I'm attempting, mostly for the fun of it, to upgrade the existing slow 5MB/s-only SCSI system, with a new-er PCI card. Of course drivers is my major concern. I'd like to assemble as many hardware drivers for as many different SCSI cards as possible for that OS. I'm going to attempt to buy from ebay an older card, and then get it running.


I have so many questions:
  • Where are drivers stored within the OS?
  • How do you install a new driver?
  • So far, the best I can determine is that you create a new kernel using SAM and change the "OUT" to "IN" for the particular line, once that driver is installed.
  • Are there any official CDROM sources that would have a ton of drivers?
  • The drivers I obtain are going to become my shopping list --- whatever I have support for, I'll have to find a matching card...

My current system only has C720 installed. This is an NCR/LSI/Symbios 53C720 driver. I *may* be able to find a compatible card, but I think it might be tough.
This User Gave Thanks to KeithM For This Post:
 
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scsi_address(9S)                                            Data Structures for Drivers                                           scsi_address(9S)

NAME
scsi_address - SCSI address structure SYNOPSIS
#include <sys/scsi/scsi.h> INTERFACE LEVEL
Solaris architecture specific (Solaris DDI) DESCRIPTION
A scsi_address structure defines the addressing components for a SCSI target device. The address of the target device is separated into two components: target number and logical unit number. The two addressing components are used to uniquely identify any type of SCSI device; however, most devices can be addressed with the target component of the address. In the case where only the target component is used to address the device, the logical unit should be set to 0. If the SCSI target device supports logical units, then the HBA must interpret the logical units field of the data structure. The pkt_address member of a scsi_pkt(9S) is initialized by scsi_init_pkt(9F). STRUCTURE MEMBERS
scsi_hba_tran_t *a_hba_tran; /* Transport vectors for the SCSI bus */ ushort_t a_target; /* SCSI target id */ uchar_t a_lun; /* SCSI logical unit */ a_hba_tran is a pointer to the controlling HBA's transport vector structure. The SCSA interface uses this field to pass any transport requests from the SCSI target device drivers to the HBA driver. a_target is the target component of the SCSI address. a_lun is the logical unit component of the SCSI address. The logical unit is used to further distinguish a SCSI target device that supports multiple logical units from one that does not. The makecom(9F) family of functions use the a_lun field to set the logical unit field in the SCSI CDB, for compatibility with SCSI-1. SEE ALSO
makecom(9F), scsi_init_pkt(9F), scsi_hba_tran(9S), scsi_pkt(9S) Writing Device Drivers SunOS 5.10 30 Aug 1995 scsi_address(9S)

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