Re: nubie looking for external scsi cd drive for sparc10
- From: dnichols@xxxxxxxxxxx (DoN. Nichols)
- Date: Sat, 18 Feb 2006 00:40:10 +0000
According to peter <pm3e@xxxxxxxx>:
Doug McIntyre wrote:
If its a Sparcstation 10, then yes you'd need a SCSI sun bootable
CD-ROM, or another one to netboot off of. But even so, thats like a $1
on eBay. Go for Pioneer or Plextor. Both of them typically had a
jumper to select 512 byte block mode. I found a few Sun external ones
for $5 on eBay. Searching for SCSI CD-ROM gave 477 hits?
they are sparc stations...~1993 vintage, at least for the 10's
ebay has toshiba and hitachi but they appear to be internals...
I'm going to go into quite a bit more detail, since you state
that you are a newbie (though you spell it a bit differently.).
You can connect an *internal* drive in the SS-10. The
connectors are there. As to which drive will fit in the closed case,
that appears to depend on the version of the SS-10 box. IIRC, some
wanted a thinner drive and special mount hardware. But, you can run
with the case lid off, and the drive just resting in place after
connecting it. This should be sufficient for installing the OS, and
then you can close up the system after removing the CD-ROM drive.
The skinny drive which will fit in all systems is the Toshiba
model XM-4101B, and for at least some systems, the mounting brackets are
'L'-shaped angle pieces with a pair of holes on the bottom for screws to
attach to the drive, and a pair of soft "wheels" whose axles are almost
in line with the top edge of the drive. The numbers stamped on the
examples which I have on a drive are "06-0070-B". The system *may* have
a floppy drive mounted below where the CD-ROM drive mounts.
My drive also has on its label "Ver. No. 203A" and
"ROM Ver. EA40418", though others will probably work well enough.
Or -- you can put one of the drives in an external case, with a
50-pin SCSI connector and a terminator. The "sandwich box" case will
use the high-density 50-pin connector like that on the back of the CPU
box. Others, from other vendors, may have different connectors, so you
will need an adaptor cable, and a different format of terminator.
Note that the default SCSI address for a CD-ROM on a SS-10 or
SS-20 is SCSI ID 6 -- and this applies for internal or external. The
box for the external is likely to have a switch on the back to allow you
to select the SCSI ID. For internal, you will need to jumper blocks.
Tape drives were typically set to SCSI-ID 4 and SCSI-ID 5. Disk
drives were SCSI-ID 0 through SCSI-ID 3, with SCSI-ID 3 being the
default boot drive.
You don't mention which password you are having problems with.
If it is the password for the booted system, then installing a fresh OS
from CD-ROM is the way to go. However, if the EEPROM security mode and
password are set, you will have problems getting to where you can
install the OS at all. If "printenv" at the OK prompt (hit "STOP-A"
(hold down the "STOP" key at the left, and while holding it hit the "A"
key before the system has booted to get to the "OK" prompt), show the
following (among lots of other things):
======================================================================
security-mode=none
security-password: data not available.
======================================================================
You are fine to install. If the "security-mode" is set to "command" it
will require a password to boot from the CD-ROM. If it is set to
"full", it will even require a password to boot from the internal disk.
These can be changed from a booted system while logged in as root.
You may not be able to change it from the OK prompt.
There may be a key combination during boot for overriding the
lack of a password, but I don't remember it, if so. I simply build a
boot disk on another system and swap it in to turn off the
"security-mode" setting. But that presupposes having a compatible
system on which you *can* build an OS, and a spare disk.
To boot from the install CD-ROM, you simply give the command (at
the "ok" prompt) "boot cdrom", and sit back and wait.
Best of luck,
DoN.
--
Email: <dnichols@xxxxxxxxxxx> | Voice (all times): (703) 938-4564
(too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
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- From: Doug McIntyre
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