Discussion:
how to configur a HP- CD Writer on SGI OCTANE System with the operating system of 6.5 ver .
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kanna
2010-03-20 06:44:39 UTC
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I am unable to configure the HP CD Writer on SGI OCTANE System which
is IRIX OS of ver. 6.5
tried with all the options butr unable to configure the divice to the
system

Pat
(India)
josehill
2010-03-22 02:47:53 UTC
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What is the specific model of the HP CD writer? Is it a SCSI device?
If so, check to make sure that the SCSI bus is properly terminated and
that there are no SCSI ID number conflicts.
I am unable to configure the HP CD Writer on  SGI OCTANE System which
is IRIX OS of ver. 6.5
tried with all the options butr unable to configure  the divice to the
system
Pat
(India)
corn
2010-04-25 15:21:08 UTC
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% I am unable to configure the HP CD Writer on SGI OCTANE System which is IRIX OS of ver. 6.5
% tried with all the options butr unable to configure the divice to the system
I had to do this many years ago to make a new tape drive work on IRIX. I suspect
you'll have to do something similar: find out the CD writer's ID strings, then
find something similar in the scsi file, then modify/add new lines that include
your drive's strings for IRIX to recognize it. Tragically the last time I put
a HP CD writer on an IRIX machine was 2001, and I no longer have the write-up of
how I did it (though it may not have needed modification). I used a HP CD-Writer+
9200 (external SCSI) with xcdroast, gcombust, and cdrecord 1.8 on an O2. This was
replaced by the 9600 series, several of which are available at an on-line auction
site right now. I have no idea if the 9600 works with unmodified IRIX however.

The example below is from a magnetic tape drive, hence the "mt" and "MAKEDEV tape"
commands.

1. Let's assume for the moment your Cipher 9-track is on scsi controller 0,
and is device number 2. Do this:

prompt% mt status /dev/rmt/tps0d2
Controller: SCSI
Device: CIPHER: 12345-CCC6.78
Status: 0x202
Drive type: 9TRACK
Media : Not READY

Now name what's after "Device:", "CIPHER" as XX and call what's after the next
":", "12345-CCC6.78" as YY.

2. Edit /var/sysgen/master.d/scsi. Copy over and replace the fifth and sixth
fields of the chosen template entry with "XX" and "YY", and replace the third
and fourth fields with the length in characters of "XX" and "YY" respectively.

I'm modifying the KENNEDY 96X2 TAPE driver, because tpsc_default_hwg_dens_names
in the CIPHER TPQIC24 driver doesn't specifically list 6250, but
tpsc_kennedy_hwg_dens_names does--see the comments at the top of the
/var/sysgen/master.d/scsi file.

{ KENNEDY96X2, TP9TRACK, 6, 13, "CIPHER", "12345-CCC6.78", 0, 0,
{3, 6, 2, 1}, MTCAN_BSF|MTCAN_BSR|MTCAN_APPEND|MTCAN_LEOD |
MTCAN_CHKRDY|MTCAN_VAR| MTCAN_SETSZ|MTCAN_SETSP|MTCAN_SETDEN|
MTCAN_SYNC|MTCANT_RET|MTCANT_IMM,
20, 150, 20*60, 5*60, 5*60, 512, 60*512,
tpsc_kennedy_dens_count, tpsc_kennedy_hwg_dens_names, tpsc_kennedy_alias_dens_names,
{0}, 0, 0, 0,
0, (u_char *)0 },

From the only modified line (the first one):
6 because CIPHER is six characters long.
13 because 12345-CCC6.78 is thirteen characters long.
"CIPHER" because that was the XX from the mt status output.
"12345-CCC6.78" because that was the YY from the mt status output.
Rebuild the kernel:

# cp /unix /works.unix
# autoconfig -vf
# mv /unix.install /unix
# reboot

Try hinv again. The tape drive should no longer be unknown. Now:

# cd /dev
# ./MAKEDEV tape

and you should be ready.

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