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Knut Roll-Lund
*nix forums beginner
Joined: 26 May 2006
Posts: 8
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 Posted: Fri May 26, 2006 1:36 am Post subject:
Indigo2 software etc.
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Hi
I'm actually new to the Indigo2 (got it last week) and don't know so
much about unix, though I have used many systems and unix/linux some (I
collect computers out of interest and I use them), so I have some questions:
I have tried to set the correct time and found that the timezone was set
to the wrong continent. What is the /etc/TIMEZONE TZ= for Norway/Oslo?
I have installed mozilla can I replace the old Netscape with it? It
doesn't appear as a choise in the default web browes setup window. If I
can get Mozilla to do all what Netscape did can I then uninstal Netscape
(is it a good idea)?
The harddisk is full and I don't really know what to delete (until I
find out what all of it is, there seems to be no personal stuff there
anyway). I was wondering if it might be easy to install a second
harddisk (I have several candidates, but need a sled). Is a second
haddrive a good solution?
I was also wondering if it is possible to change the harddisk for a
bigger one. It came with an external DAT tape "player" (and I just made
a full backup today). Would it be possible to just exchange the harddisk
and restore the backup to it? What would I need to do?
Hope this is a good group for these questions (maybe I should have split
it up and posted to several groups). :-)
Knut |
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Jonny Morris
*nix forums beginner
Joined: 26 May 2006
Posts: 3
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| Posted: Fri May 26, 2006 5:38 pm Post subject:
Re: Indigo2 software etc.
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Knut Roll-Lund wrote:
| Quote: | Hi
I'm actually new to the Indigo2 (got it last week) and don't know so
|
IRIX is very friendly, there's not that much you need to know to
configure a system at the basic level, and a lot of stuff can be done in
the System Manager GUI if you prefer.
| Quote: | I have tried to set the correct time and found that the timezone was set
to the wrong continent. What is the /etc/TIMEZONE TZ= for Norway/Oslo?
|
I think it tells you in the man page (or online docs) for 'date', or you
can probably just use the Desktop GUI for keyboard / language setup from
the Toolchest.
| Quote: | I have installed mozilla can I replace the old Netscape with it? It
doesn't appear as a choise in the default web browes setup window. If I
can get Mozilla to do all what Netscape did can I then uninstal Netscape
(is it a good idea)?
|
Netscape is good for reading the online docs - most applications and
system documentation will work just fine in it, and it's quicker than
Mozilla or Firefox on the SGI (there's no optimization for SGI in
Mozilla software, booo!) Definitely keep Netscape, but use
Mozilla/Firefox for general web browsing.
| Quote: | The harddisk is full and I don't really know what to delete (until I
find out what all of it is, there seems to be no personal stuff there
anyway). I was wondering if it might be easy to install a second
harddisk (I have several candidates, but need a sled). Is a second
haddrive a good solution?
|
Yes, you can probably buy a second sled from Ian Mapleson, he runs the
SGI Depot here: http://www.futuretech.blinkenlights.nl/sgidepot/
Just put the drive+sled in the second internal bay and mount it in place
of a user account, hey presto! You may also be able to mount it as /usr
and move all that stuff across to it, if you know what files to edit (I
forget the name of the file just now, the thing to do with mount points
etc).
If you run up Software Manager (from the Toolchest) you'll get a list of
things installed (once in Software Manager go to Manage Installed
Software, which will also show you the location and names of all the
binary files so you know what to type to try them out, or at least where
to look for help files etc. I wouldn't remove anything until you know
what's what though!
| Quote: | I was also wondering if it is possible to change the harddisk for a
bigger one.
|
I believe half-height drives fit the Indigo2 just fine, but you may need
an adapter (68-pin to 50-pin) if you want to fit a newer (68-pin scsi)
drive. Not sure what the maximum MB capacity is in Indigo2, if there is
one, should be OK up to 36GB at least.
| Quote: | a full backup today). Would it be possible to just exchange the harddisk
and restore the backup to it? What would I need to do?
|
Better off using dd to clone the disk (with both in situ, probably), I
don't know a great deal about that though.
| Quote: | Hope this is a good group for these questions (maybe I should have split
it up and posted to several groups). 
|
People still read it, but a lot of discussion has transfered to Nekochan
- http://www.nekochan.net |
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Toni Grass
*nix forums addict
Joined: 03 May 2005
Posts: 82
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| Posted: Fri May 26, 2006 10:59 pm Post subject:
Re: Indigo2 software etc.
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Knut Roll-Lund wrote:
| Quote: | Hi
I'm actually new to the Indigo2 (got it last week) and don't know so
much about unix, though I have used many systems and unix/linux some (I
collect computers out of interest and I use them), so I have some questions:
[.....] |
here you may find a lot of useful documentation:
http://techpubs.sgi.com/
and
http://sgistuff.g-lenerz.de/
is also worth to read
btw: which kind of Indigo2 did you get? 4k, 5k, 10k (teal or pink)?
Toni |
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Knut Roll-Lund
*nix forums beginner
Joined: 26 May 2006
Posts: 8
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| Posted: Sat May 27, 2006 9:23 am Post subject:
Re: Indigo2 software etc.
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Toni Grass wrote:
| Quote: | Knut Roll-Lund wrote:
Hi
I'm actually new to the Indigo2 (got it last week) and don't know so
much about unix, though I have used many systems and unix/linux some (I
collect computers out of interest and I use them), so I have some questions:
[.....]
here you may find a lot of useful documentation:
http://techpubs.sgi.com/
and
http://sgistuff.g-lenerz.de/
is also worth to read
|
Thanks, sites noted. I did search the net and have learned a lot,
actually many great sites and SGI's is a real positive surprise. I also
registered with them and I'm positively surprised that they still have
support.
| Quote: | btw: which kind of Indigo2 did you get? 4k, 5k, 10k (teal or pink)?
|
I did rescue the machine from the garbage (I scavenge). With this find I
was particularly lucky because it had all the parts, cables, software on
CD's and documentation. Also there was no password on root (or any of
the other users).
It is purple, 250MHz R4400 with R4000, and has the High Impact graphics.
It has a 2.1GB harddisk which is 96% full at the moment (after I
installed mozilla). It had only 64MB RAM, 1 set.
I tried to upgrade the RAM but it seems to be rather picky on the SIMM's
because, I tried many sets without success and the only ones I could get
to work was 2MB SIMM's of which I had 8 so now it has 80MB. I think the
RAM needs to be with parity and it works with fast-page (I wonder if it
can use or takes advantage of EDO). I will look through my old pc's to
see if I can find a larger set.
So it is not that hot but it is a nice and so far this adventure has
been for free. I will (sometime soon) add a page to my site about it.
http://home.online.no/~kr-lund/ and, sorry, the old SGI netscape doesn't
like it (will see about that).
Also I must apologize to all here. I post to the usenet newsgroup so I
mangle my email to avoid attracting more spam. I didn't know about the
automatic crossposting to the email list. To reply by email you need to
edit the address and delete 'nogarbage.' so it becomes kr-lund * online
, no sorry about any inconvenience caused by this. I have now added a
sig which is meant to help.
--
Knut
(delete 'nogarbage.' for email) |
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Knut Roll-Lund
*nix forums beginner
Joined: 26 May 2006
Posts: 8
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| Posted: Sat May 27, 2006 9:45 am Post subject:
Re: Indigo2 software etc.
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|
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Jonny Morris wrote:
| Quote: | Knut Roll-Lund wrote:
Hi
I'm actually new to the Indigo2 (got it last week) and don't know so
IRIX is very friendly, there's not that much you need to know to
configure a system at the basic level, and a lot of stuff can be done in
the System Manager GUI if you prefer.
|
Yes I have found this, very different from earlier experiences with
unix, very nice.
| Quote: | I have tried to set the correct time and found that the timezone was
set to the wrong continent. What is the /etc/TIMEZONE TZ= for
Norway/Oslo?
I think it tells you in the man page (or online docs) for 'date', or you
can probably just use the Desktop GUI for keyboard / language setup from
the Toolchest.
|
Because I use the "international" SGI keyboard and I like to use English
(for me computers talk English but then I'm a computer geek from the old
days ) I have been a little cautious using the GUI settings.
| Quote: | I have installed mozilla can I replace the old Netscape with it? It
doesn't appear as a choise in the default web browes setup window. If
I can get Mozilla to do all what Netscape did can I then uninstal
Netscape (is it a good idea)?
Netscape is good for reading the online docs - most applications and
system documentation will work just fine in it, and it's quicker than
Mozilla or Firefox on the SGI (there's no optimization for SGI in
Mozilla software, booo!) Definitely keep Netscape, but use
Mozilla/Firefox for general web browsing.
|
I see, then I will find some other way to gain more space.
| Quote: | The harddisk is full and I don't really know what to delete (until I
find out what all of it is, there seems to be no personal stuff there
anyway). I was wondering if it might be easy to install a second
harddisk (I have several candidates, but need a sled). Is a second
haddrive a good solution?
Yes, you can probably buy a second sled from Ian Mapleson, he runs the
SGI Depot here: http://www.futuretech.blinkenlights.nl/sgidepot/
Just put the drive+sled in the second internal bay and mount it in place
of a user account, hey presto! You may also be able to mount it as /usr
and move all that stuff across to it, if you know what files to edit (I
forget the name of the file just now, the thing to do with mount points
etc).
If you run up Software Manager (from the Toolchest) you'll get a list of
things installed (once in Software Manager go to Manage Installed
Software, which will also show you the location and names of all the
binary files so you know what to type to try them out, or at least where
to look for help files etc. I wouldn't remove anything until you know
what's what though!
|
OK, I will try to get another/larger harddisk. Did make a try connecting
a larger drive externally but I miss some cables/convertors because the
larger drives are 68pin and don't have internal terminator... I have a
68pin cable with terminator but the machine has only the smaller 50pin
so I need a convertor for that.
| Quote: | I was also wondering if it is possible to change the harddisk for a
bigger one.
I believe half-height drives fit the Indigo2 just fine, but you may need
an adapter (68-pin to 50-pin) if you want to fit a newer (68-pin scsi)
drive. Not sure what the maximum MB capacity is in Indigo2, if there is
one, should be OK up to 36GB at least.
a full backup today). Would it be possible to just exchange the
harddisk and restore the backup to it? What would I need to do?
Better off using dd to clone the disk (with both in situ, probably), I
don't know a great deal about that though.
|
OK I did also get some more tips using xfsdump / xfsrestore with the
tape but also to copy directly between the drives.
| Quote: | Hope this is a good group for these questions (maybe I should have
split it up and posted to several groups). :-)
People still read it, but a lot of discussion has transfered to Nekochan
- http://www.nekochan.net
|
site noted
Also *sorry* I mangle my email address (see my other post and the sig).
--
Knut
(delete 'nogarbage.' for email) |
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Toni Grass
*nix forums addict
Joined: 03 May 2005
Posts: 82
|
| Posted: Sat May 27, 2006 10:12 am Post subject:
Re: Indigo2 software etc.
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Knut Roll-Lund wrote:
[....]
| Quote: | btw: which kind of Indigo2 did you get? 4k, 5k, 10k (teal or pink)?
|
[....]
| Quote: | It is purple, 250MHz R4400 with R4000, and has the High Impact graphics.
It has a 2.1GB harddisk which is 96% full at the moment (after I
installed mozilla). It had only 64MB RAM, 1 set.
|
AFAIR is that the fastest R4k for Indigo2
You may use any SCSI HD, there are a lot of SCA80 disks to find on eBay,
you just need an adaptor from SCA80 to narrow, the HD tray has room
enough for it. I connected a 36 GB Seagate from an Octane that way to
my Indigo2.
| Quote: | I tried to upgrade the RAM but it seems to be rather picky on the SIMM's
because, I tried many sets without success and the only ones I could get
to work was 2MB SIMM's of which I had 8 so now it has 80MB. I think the
RAM needs to be with parity and it works with fast-page (I wonder if it
can use or takes advantage of EDO). I will look through my old pc's to
see if I can find a larger set.
|
No EDO, but FPM, and yes, it needs parity. The R4k takes up to 384MB RAM
(the R10k up to 1GB). It should be easy to find a matching set of four
RAMs on eBay.
| Quote: | So it is not that hot but it is a nice and so far this adventure has
been for free. I will (sometime soon) add a page to my site about it.
http://home.online.no/~kr-lund/ and, sorry, the old SGI netscape doesn't
like it (will see about that).
|
*g*
btw: you may give Dillo <http://www.dillo.org/> a try on your Indigo2,
it does not need that much resources like Mozilla. I checked Nekochan
Net <http://www.nekochan.net/downloads.php>, a tardist is available
there for download e.g. from <http://mimgfx.homeunix.net/nekoware/>
There are a lot of people out there who like SGI computers (see my
header, I am posting from an Octane, I use it for everyday work)
If you did not find it yet some more URLs related to SGI:
<http://www.futuretech.blinkenlights.nl/sgi.html>
<http://hardware.majix.org/computers/sgi/>
Toni |
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Jonny Morris
*nix forums beginner
Joined: 26 May 2006
Posts: 3
|
| Posted: Sat May 27, 2006 2:40 pm Post subject:
Re: Indigo2 software etc.
|
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| Quote: | btw: which kind of Indigo2 did you get? 4k, 5k, 10k (teal or pink)?
I did rescue the machine from the garbage (I scavenge). With this find I
was particularly lucky because it had all the parts, cables, software on
CD's and documentation. Also there was no password on root (or any of
the other users).
It is purple, 250MHz R4400 with R4000, and has the High Impact graphics.
It has a 2.1GB harddisk which is 96% full at the moment (after I
installed mozilla). It had only 64MB RAM, 1 set.
|
That's a pretty good find for free! If you can get 256 or even 384MB of
RAM in there it will fly pretty well, but as you can see the SGI still
works even on very low RAM (they are very efficient systems). If your
High Impact also has the TRAM option (look for it in 'hinv') then you'll
get even better textured 3D performance.
I feel with a 2GB disk you may be able to free up about 500MB, as a
typical IRIX install (with freeware) will take up about 1.5GB, but
knowing what to remove depends on what you want to keep, and if there's
complete licensed stuff on there you're probably better off keeping it.
Unless you think you'll have need of lots of space, anything from 9GB
upwards should be just find for your Hard Drive needs, and a 9GB scsi
drive won't need an adapter (it should already be 50-pin). My old R10k
Indigo2 came with its original 4GB HD which I used as the root drive, I
never actually needed to replace it (I had a second 9GB drive with all
my personal files on). |
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Knut Roll-Lund
*nix forums beginner
Joined: 26 May 2006
Posts: 8
|
| Posted: Sun May 28, 2006 12:43 am Post subject:
Re: Indigo2 software etc.
|
|
|
Jonny Morris wrote:
| Quote: |
btw: which kind of Indigo2 did you get? 4k, 5k, 10k (teal or pink)?
I did rescue the machine from the garbage (I scavenge). With this find
I was particularly lucky because it had all the parts, cables,
software on CD's and documentation. Also there was no password on root
(or any of the other users).
It is purple, 250MHz R4400 with R4000, and has the High Impact
graphics. It has a 2.1GB harddisk which is 96% full at the moment
(after I installed mozilla). It had only 64MB RAM, 1 set.
That's a pretty good find for free! If you can get 256 or even 384MB of
RAM in there it will fly pretty well, but as you can see the SGI still
works even on very low RAM (they are very efficient systems). If your
High Impact also has the TRAM option (look for it in 'hinv') then you'll
get even better textured 3D performance.
|
hinv didn't say anything about TRAM
But the System Manager, About This System under More Graphics Info:
Graphic board 0 is "IMPACT" graphics
Managed (":0.0") 1280x1024
Product ID 0x0, 1 GE, 1 RE, 1 TRAM
MGRAS revision 3, RA revision 5
HQ rev A, GE11 rev B, RE4 rev A, PPI rev A,
VC3 rev A,CMAP rev DMC rev C
....
I don't know if this means that there is the TRAM option, but I suspect
it is so.
Anther indication might be that the flight simulator demo reacts to F1
and F2 for fog and texture, where the help says this is not supported on
all systems, they work.
| Quote: | I feel with a 2GB disk you may be able to free up about 500MB, as a
typical IRIX install (with freeware) will take up about 1.5GB, but
knowing what to remove depends on what you want to keep, and if there's
complete licensed stuff on there you're probably better off keeping it.
Unless you think you'll have need of lots of space, anything from 9GB
upwards should be just find for your Hard Drive needs, and a 9GB scsi
drive won't need an adapter (it should already be 50-pin). My old R10k
Indigo2 came with its original 4GB HD which I used as the root drive, I
never actually needed to replace it (I had a second 9GB drive with all
my personal files on).
|
I'll see if I can get some adapter from my work on Monday so I can use
the 68pin 9GB drive I have.
--
Knut
(delete 'nogarbage.' for email) |
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Knut
*nix forums beginner
Joined: 28 Mar 2005
Posts: 7
|
| Posted: Wed May 31, 2006 12:45 am Post subject:
Re: Indigo2 software etc.
|
|
|
Knut Roll-Lund wrote:
| Quote: | Hi
I'm actually new to the Indigo2 (got it last week) and don't know so
much about unix, though I have used many systems and unix/linux some (I
collect computers out of interest and I use them), so I have some
questions:
I have tried to set the correct time and found that the timezone was set
to the wrong continent. What is the /etc/TIMEZONE TZ= for Norway/Oslo?
I have installed mozilla can I replace the old Netscape with it? It
doesn't appear as a choise in the default web browes setup window. If I
can get Mozilla to do all what Netscape did can I then uninstal Netscape
(is it a good idea)?
The harddisk is full and I don't really know what to delete (until I
find out what all of it is, there seems to be no personal stuff there
anyway). I was wondering if it might be easy to install a second
harddisk (I have several candidates, but need a sled). Is a second
haddrive a good solution?
I was also wondering if it is possible to change the harddisk for a
bigger one. It came with an external DAT tape "player" (and I just made
a full backup today). Would it be possible to just exchange the harddisk
and restore the backup to it? What would I need to do?
Hope this is a good group for these questions (maybe I should have split
it up and posted to several groups).
|
Great success. I just upgraded my harddisk. Swapping the 2.1GB with a
9.1GB. Slightly tricky because I can only have both drives when the old
is inside and the new is outside, not when the new is inside, for some
reason...
Had to fx, repartition the drive from the maintenance "console" using
Brent Bates' notes in drive installing (see
http://www.vigyan.com/~blbates/sgi/index.html ). The I let it do the
install from an older overlay set of IRIX 6.5 installing what it could
and finally let it restore a backup from the DAT tape.
It then booted straight up, no problem at all.
:-)
--
Knut
(swap see-sig with kr-lund for email)
note: I use two newsservers with the accounts slightly different set up. |
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Rainer Latka
*nix forums beginner
Joined: 08 Mar 2005
Posts: 19
|
| Posted: Wed May 31, 2006 10:37 am Post subject:
Re: Indigo2 software etc.
|
|
|
Knut wrote:
| Quote: | Knut Roll-Lund wrote:
[...]
Great success. I just upgraded my harddisk. Swapping the 2.1GB with a
9.1GB. Slightly tricky because I can only have both drives when the
old is inside and the new is outside, not when the new is inside, for
some reason...
|
Did you use SCSI ID jumpers on your new disk? Or did you use the
connector provided in the drive sled? Either should work as long as you
set the same ID as used with your original disk.
There are several ways of doing it wrong. To find out, first put in the
original disk, boot into maintenance mode and enter
printenv
This will show you, for which SCSI ID the I2 system disk has been
configured. Usually it would be 1. You can actually use any SCSI ID
except 0 (used by the controller) as long as you set it properly in the
PROM variables and the previous owner might have done this. (You could
even set the values to boot and run from an external disk).
a) if you used jumpers on your new disk, did you set the same ID as
used by the original disk?
b) if you used the small connector provided in the drive sled for
setting the SCSI ID, note that
ba) it can be put on "upside down"
bb) some disk manufacturers use the lower row of pins for ground,
some use the upper row. There is no standard for this, so try
it both ways (its electrically safe, you will not damage the
disk nor the controller, if do it the wrong way round).
bc) if you use this connector, note that it makes a difference
whether you use the upper or the lower drive sled position
(SCSI IDs 1 and 2, I dont recall, which way round)
HTH
Rainer
[...] |
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Martin Schöön
*nix forums Guru
Joined: 22 Feb 2005
Posts: 2122
|
| Posted: Wed May 31, 2006 11:03 am Post subject:
Re: Indigo2 software etc.
|
|
|
Knut Roll-Lund wrote:
| Quote: | hinv didn't say anything about TRAM
But the System Manager, About This System under More Graphics Info:
Graphic board 0 is "IMPACT" graphics
Managed (":0.0") 1280x1024
Product ID 0x0, 1 GE, 1 RE, 1 TRAM
|
look here! ^^^^ |
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Knut Roll-Lund
*nix forums beginner
Joined: 26 May 2006
Posts: 8
|
| Posted: Wed May 31, 2006 3:08 pm Post subject:
Re: Indigo2 software etc.
|
|
|
Simon Burley wrote:
| Quote: | Knut Roll-Lund wrote:
hinv didn't say anything about TRAM
But the System Manager, About This System under More Graphics Info:
Graphic board 0 is "IMPACT" graphics
Managed (":0.0") 1280x1024
Product ID 0x0, 1 GE, 1 RE, 1 TRAM
look here! ^^^^
|
OK, thanks.
Just wasn't sure then... but after reading a bit more about the graphics
cards I find it is a standard setup for "high impact" with the 1 TRAM.
--
Knut
(delete 'nogarbage.' for email) |
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Knut Roll-Lund
*nix forums beginner
Joined: 26 May 2006
Posts: 8
|
| Posted: Wed May 31, 2006 3:23 pm Post subject:
Re: Indigo2 software etc.
|
|
|
Rainer Latka wrote:
| Quote: | Knut wrote:
Knut Roll-Lund wrote:
[...]
Great success. I just upgraded my harddisk. Swapping the 2.1GB with a
9.1GB. Slightly tricky because I can only have both drives when the
old is inside and the new is outside, not when the new is inside, for
some reason...
Did you use SCSI ID jumpers on your new disk? Or did you use the
connector provided in the drive sled? Either should work as long as you
set the same ID as used with your original disk.
There are several ways of doing it wrong. To find out, first put in the
original disk, boot into maintenance mode and enter
printenv
This will show you, for which SCSI ID the I2 system disk has been
configured. Usually it would be 1. You can actually use any SCSI ID
except 0 (used by the controller) as long as you set it properly in the
PROM variables and the previous owner might have done this. (You could
even set the values to boot and run from an external disk).
a) if you used jumpers on your new disk, did you set the same ID as
used by the original disk?
b) if you used the small connector provided in the drive sled for
setting the SCSI ID, note that
ba) it can be put on "upside down"
bb) some disk manufacturers use the lower row of pins for ground,
some use the upper row. There is no standard for this, so try
it both ways (its electrically safe, you will not damage the
disk nor the controller, if do it the wrong way round).
bc) if you use this connector, note that it makes a difference
whether you use the upper or the lower drive sled position
(SCSI IDs 1 and 2, I dont recall, which way round)
HTH
Rainer
[...]
I have control of the up/down, no problem there. |
I have jumpered the new drive on the drive (ignoring the sled) because
the 68pin to 50pin adapter is in the way. It is ID 1 same as the old
drive was.
On the old drive I put in one jumper in the place of the sled adapter,
and I have tried all the positions. I think first it was ID 4 then I
moved it to ID 1 and it is now ID 2. On the external scsi there are a CD
at ID 4 and a DAT tape on ID 3. It is kind of strange that it doesn't
work because the new drive works in both places (jumpered as 1).
The old drive have a connector adapter for the ID. I think it has been
put there by SGI (or by Quantum for SGI) because the drive itself have
the setting in the wrong end.
I will try a bit further before I give up (I'd like to copy the data on
it as it is now, that DAT tape backup was a few days old). I'm not
planning to use the old drive. I will store it in case something happens
to the new one.
--
Knut
(delete 'nogarbage.' for email) |
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Knut Roll-Lund
*nix forums beginner
Joined: 26 May 2006
Posts: 8
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| Posted: Wed May 31, 2006 11:41 pm Post subject:
Re: Indigo2 software etc.
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Rainer Latka wrote:
| Quote: | Knut wrote:
Knut Roll-Lund wrote:
[...]
Great success. I just upgraded my harddisk. Swapping the 2.1GB with a
9.1GB. Slightly tricky because I can only have both drives when the
old is inside and the new is outside, not when the new is inside, for
some reason...
No real mystery, it was the powersupply of the external SCSI housing |
(originally for a CD drive) wasn't up to the task... I now use another
powersupply and it works both ways. Happy that the drive didn't get
damaged with the lower voltage. Funny that the 9.1GB requires less power
than the 2GB :-)
--
Knut
(delete 'nogarbage.' for email) |
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Tony 'Nicoya' Mantler
*nix forums Guru Wannabe
Joined: 02 Jul 2005
Posts: 139
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| Posted: Thu Jun 01, 2006 1:21 am Post subject:
Re: Indigo2 software etc.
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In article <_5ednRqxOoFNtOPZ4p2dnA@telenor.com>,
Knut Roll-Lund <kr-lund@nogarbage.online.no> wrote:
: Funny that the 9.1GB requires less power
: than the 2GB :-)
The main factor for power draw in a disk is the number of platters/heads, the
rotational speed, and a little bit for the size of the platters themselves.
Modern drives have better bearing designs but the aerodynamics of the platters
themselves haven't really changed.
So if your 2 gig disk was a 10-platter 20-head stack, it'll draw a lot more
power than a more modestly built drive. (I don't know if any company uses over 7
platters these days)
Cheers - Tony 'Nicoya' Mantler :)
--
Tony 'Nicoya' Mantler - Master of Code-fu
-- nicoya@ubb.ca -- http://www.ubb.ca/ -- |
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