IBM 9Gb SCSI disk

[Sasa]

I want to surprise my old PC Server 325 with "new" 9Gb IBM SCSI disk. It's
model DNES-309170.

There are already 2x2Gb drives in machine, scsi id:0 and id:1. I want to set
this drive to live on scsi id:2 however I'm not sure how to set it.

There's row of jumpers from 1 to 12 and they're labeled like this:

1 id bit 3
2 id bit 2
3 id bit 1
4 id bit 0
5 enable auto spin
6 s/e mode
7 disable unit attn
8 ti sync nego
9 auto start delay
10 delay start 6/12
11 diable parity
12 led out

There are currently jumpers on position 3. and 8. How to jump this drive to
work on scsi id:2? Are other settings ok?

Thanks!

Sasa

--

[Tim Clarke]

"Sasa" <sasa.gr...@zg.htnet.hr> wrote in message
news:diajli$gfp$1...@news1.xnet.hr...

Hi Sasa,
the only one you should *need* to jumper is position 3 = Id. bit 1 = 2^1
= ID. 2.
You may want to jumper position 5, to auto-spin the drive at power-on,
since you've only 3 drives, which won't overload the PSU. If you add more
drives, you might want to jumper position 9, this delays the auto-spin,
based upon the drive's ID. This balances the power-on loading on the PSU.
I'm too lazy to look up the SCSI support of the Server 325 to know
whether you need to jumper position 6 to force Single-Ended SCSI only mode
(as opposed to Low-Voltage Differential SCSI). It's never been my experience
that this was necessary. You can leave position 8 (Target-Initiated
Synchronous Transfer Negotiation) jumpered. This is an optionally SCSI
feature/function and may or may not have any effect, but won't stop anything
from working. Position 11 should *never* be jumpered for use in an IBM
system. They always *require* SCSI Bus Parity.
--
Regards,
Tim Clarke (a.k.a. WBST)

[Sasa]

> Hi Sasa,
> the only one you should *need* to jumper is position 3 = Id. bit 1 =
2^1
> = ID. 2.

Thanks for a quick replay. I did as you said and everything is working nice.
It's really great to listen 3 old scsi's spinning up. What a noise :-)

Thanks once again!

Sasa

[Tim Clarke]

"Sasa" <sasa.gr...@zg.htnet.hr> wrote in message

news:dibf69$1fo$1...@news1.xnet.hr...

> > Hi Sasa,
> > the only one you should *need* to jumper is position 3 = Id. bit 1 =
> 2^1
> > = ID. 2.
>

> Thanks for a quick reply. I did as you said and everything is working

nice.
> It's really great to listen 3 old scsi's spinning up. What a noise :-)

You're hooked then... 8^D

> Thanks once again!

You're quite welcome. It's not often one gets such a clearly documented
request for help. It was a pleasure to reply and help you understand what
meant what.