Re: problems connecting using SCSI Disk Mode

[Paul Nelson]

At 9:42 AM +0800 9/19/01, <[EMAIL PROTECTED]> wrote:
>i'll try something different tonight...
>i'll try hooking up the two powerbooks thru the 29 pins and cables connected
>to the
>Zip drive that has a terminator. the Zip is set to SCSI 6, the 5300 is SCSI
>2 and the
>3400 is SCSI 3.
>will let you know how it works...
>thanks for all the responses

This is not going to work.  Like someone else said, you can't do
SCSI disk mode without all 30 pins, and you can't connect two powerbooks
together like this.  Settle for connecting SCSI peripherals with your 29
pin adapter, because that is ALL it will do.
Paul



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Re: problems connecting using SCSI Disk Mode

[junbelen]

> Welcome to the world of SCSI VOODOO!  First, many powerbooks need a
> terminator between them and the SCSI device.  I usually do this by using a
> Centronix pass through terminator between the external device, then
another
> terminator in the other Centronix jack.  This should do it.  Pass through
> terminators are the greatest!
> Paul
>


i'll try something different tonight...
i'll try hooking up the two powerbooks thru the 29 pins and cables connected
to the
Zip drive that has a terminator. the Zip is set to SCSI 6, the 5300 is SCSI
2 and the
3400 is SCSI 3.
will let you know how it works...
thanks for all the responses


Jun Belen

Get paid to read e-mail. I've used it and it works.
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Re: problems connecting using SCSI Disk Mode

[Paul Nelson]

At 7:26 PM -0400 9/17/01, Scott Mugan wrote:
>Hook up the adapter with the switch turned on. Fire up that powerbook. It
>should boot with the SCSI Disk mode screen. Plug it into the other machin
>and boot that machine. It should show up as a hard drive on the desktop.

Don't hot swap it this way.  Turn them both off.  Connect them.
Boot the laptop.  Make sure the # in the diamond is not in conflict with
anythinga in the chain.  Boot the desktop.
Paul



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Re: problems connecting using SCSI Disk Mode

[Paul Nelson]

At 8:04 AM +0800 9/18/01, <[EMAIL PROTECTED]> wrote:
>i have 2 29-pin adaptors with no switch and no LCD.
>The label says HD/SCSI adaptor
>like you, i always thought that it would be a cinch  :-(
>then i thought maybe i need a terminator or something...
>i changed the numbers on the SCSI mode control panel and expected to  see
>the changes
>when i turned it on but still no go..
>i'll try remy's suggestion and connect it thru DB25's
>will update you guys on what happens

Welcome to the world of SCSI VOODOO!  First, many powerbooks need a
terminator between them and the SCSI device.  I usually do this by using a
Centronix pass through terminator between the external device, then another
terminator in the other Centronix jack.  This should do it.  Pass through
terminators are the greatest!
Paul



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Re: problems connecting using SCSI Disk Mode

[MacinNW]

In a message dated 9/17/2001 4:26:51 PM, [EMAIL PROTECTED] writes:

>Hook up the adapter with the switch turned on. Fire up that powerbook.
>It
>should boot with the SCSI Disk mode screen. Plug it into the other machin
>and boot that machine. It should show up as a hard drive on the desktop.
>-Scott
>
>
>on 9/17/01 7:19 PM, Chris Loehr at [EMAIL PROTECTED] wrote:
>
>> I do know there is a certain order
>> you have to turn on the powerbooks.

DO NOT hot plug a SCSI device! All it takes is 1 in a 100 times and you fire 
something.

It has been a while since I have used SCSI mode but I believe that that is 
the correct order to turn them on. The SCSI symbol should come up before you 
turn on the secomd Mac.

I do not remember whether the 29 or 30 pin is the the correct one. But the 30 
pin with the switch does both, unfortunately the 30 from Apple have no switch.

Brent

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Re: problems connecting using SCSI Disk Mode

[PeterH5322]

There are apparently three cables ...

1) 29 pins, no switch,

2) 30 pins, no switch, and

3) 30 pins, with switch.

I believe (2) and (3) can both accommodate SCSI Disk Mode.

(1) definitely cannot.

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Re: problems connecting using SCSI Disk Mode

[Scott Mugan]

One of them has to be a 30 pin, or it won't put it SDM
-Scott


> i have 2 29-pin adaptors with no switch and no LCD.
> 
> 
> 


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Re: problems connecting using SCSI Disk Mode

[junbelen]

> I have sold those adapters before and there are two types.  I believe one
is 29
> pin (no switch on it) and the other is 30 pin but it had a switch on it
that
> allowed you to switch between scsi disk mode and regular scsi. Also it had
a
> little led that lit up when in scsi disk mode.  I do know there is a
certain order
> you have to turn on the powerbooks.  Have you tried connecting in scsi
disk mode
> to any desktops to see if everything is working?  I always thought you
could
> connect two powerbooks together but am not sure.  Do they both have IR on
them you
> may be able to communicate that way.
>

i have 2 29-pin adaptors with no switch and no LCD.
The label says HD/SCSI adaptor
like you, i always thought that it would be a cinch  :-(
then i thought maybe i need a terminator or something...
i changed the numbers on the SCSI mode control panel and expected to  see
the changes
when i turned it on but still no go..
i'll try remy's suggestion and connect it thru DB25's
will update you guys on what happens


Jun Belen

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Go to: http://www.MintMail.com/?m=654615





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Re: problems connecting using SCSI Disk Mode

[Scott Mugan]

Hook up the adapter with the switch turned on. Fire up that powerbook. It
should boot with the SCSI Disk mode screen. Plug it into the other machin
and boot that machine. It should show up as a hard drive on the desktop.
-Scott


on 9/17/01 7:19 PM, Chris Loehr at [EMAIL PROTECTED] wrote:

> I do know there is a certain order
> you have to turn on the powerbooks.


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Re: problems connecting using SCSI Disk Mode

[Chris Loehr]

I have sold those adapters before and there are two types.  I believe one is 29
pin (no switch on it) and the other is 30 pin but it had a switch on it that
allowed you to switch between scsi disk mode and regular scsi. Also it had a
little led that lit up when in scsi disk mode.  I do know there is a certain order
you have to turn on the powerbooks.  Have you tried connecting in scsi disk mode
to any desktops to see if everything is working?  I always thought you could
connect two powerbooks together but am not sure.  Do they both have IR on them you
may be able to communicate that way.

Chris

Donna Hood Pointer wrote:

> I am pretty sure that you cannot connect one powerbook to another powerbook
> using SCSI disk mode.
>
> > Hi!
> > I am trying to connect a 3400c running OS 8.6 with a 5300cs running OS 7.5
>
> > I tried using a 30 pin HD/SCSI adapter on both units.
> > The HD/SCSI adapters were then then connected to the cable which came with
> > my zip drive


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Re: problems connecting using SCSI Disk Mode

[junbelen]

> Apple details it in the 190/5300 user manual - I think in others as well.
> They suggest this (plus or minus a terminator, depends):
>
> PowerBook (Master)->HDI30 (29 pin)->DB25->DB25->HDI-30 (30
> pin)->PowerBook (Slave).
>
> Depending on whether you're using older or newer PBs, termination may be
> an issue. In which case you may need to use 1 or possibly 2 terminators
> in the middle of the chain. If a terminated newer PB is at the end of the
> chain, no term or only one may be needed.


i'll try these things out . i already have the HDI 30's.
i'll look for a couple of DB 25s.

thanks

Jun Belen

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Re: problems connecting using SCSI Disk Mode

[Clark Martin]

>I am pretty sure that you cannot connect one powerbook to another powerbook
>using SCSI disk mode. You CAN connect one powerbook to a desktop Mac using
>SCSI disk mode though.

I don't know why you'd say that, in any event it's wrong.  I transfered the
contents of my PB180 to my PB5300 using SCSI disk mode.  When a PB is in
SCSI Disk mode it appears simply as a SCSI disk.  It should work like any
other SCSI disk.

--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
[EMAIL PROTECTED]

"I'm a designated driver on the Information Super Highway"



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Re: problems connecting using SCSI Disk Mode

[Remy Davison]

>I am pretty sure that you cannot connect one powerbook to another powerbook
>using SCSI disk mode. You CAN connect one powerbook to a desktop Mac using
>SCSI disk mode though. You can try using the serial/modem port connector. I
>think all you need there is a serial port printer cable to connect them. You
>would need to turn off any software that might use the port that you don't
>need, e.g. appletalk, fax software, palm pilot software. Alternatively you
>could use a cross-over ethernet cable on the ethernet ports if both
>powerbooks have ethernet.
>Donna Pointer-- iMac, ergo iAm
You can, but it's slightly more tricky. It also depends upon termination. 
For e.g., all PowerBooks with SCSI from the 3400 onward supply active 
term power to the SCSI bus. In my case, I have a Lombard and Wallstreet 
and wanted connect a recalcitrant 1400 up via SCSI Disk Mode. Both WS and 
Lomb obviously have active term. Because I didn't have quite the right 
cables, it went like this:

Lombard->HDI-30 (29 pin) ->50 pin Centronics->Ext. SCSI Hard 
drive->C50->DB25M->DB 25F/HDI-30 SCSI docking switch->PowerBook 1400.

Make sense? 

Apple details it in the 190/5300 user manual - I think in others as well. 
They suggest this (plus or minus a terminator, depends):

PowerBook (Master)->HDI30 (29 pin)->DB25->DB25->HDI-30 (30 
pin)->PowerBook (Slave).

Depending on whether you're using older or newer PBs, termination may be 
an issue. In which case you may need to use 1 or possibly 2 terminators 
in the middle of the chain. If a terminated newer PB is at the end of the 
chain, no term or only one may be needed.

Sounds complicated, but so long as you have the right cables, it works 
out. 

Cheers,

RD

Remy Davison
Contributing Editor, Insanely-Great Mac 
mail: <[EMAIL PROTECTED]>
RD's PowerBook page: 



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Re: problems connecting using SCSI Disk Mode

[Donna Hood Pointer]

I am pretty sure that you cannot connect one powerbook to another powerbook
using SCSI disk mode. You CAN connect one powerbook to a desktop Mac using
SCSI disk mode though. You can try using the serial/modem port connector. I
think all you need there is a serial port printer cable to connect them. You
would need to turn off any software that might use the port that you don't
need, e.g. appletalk, fax software, palm pilot software. Alternatively you
could use a cross-over ethernet cable on the ethernet ports if both
powerbooks have ethernet.
Donna Pointer-- iMac, ergo iAm

> Hi!
> I am trying to connect a 3400c running OS 8.6 with a 5300cs running OS 7.5
> I enabled apple talk and file sharing on both units
> I tried using the modem port but the 3400c said the port was being used by
> another program
> I tried using a 30 pin HD/SCSI adapter on both units.
> The HD/SCSI adapters were then then connected to the cable which came with
> my zip drive
> I followed the instructions on the use of the Powerbook SCSI mode to the
> letter
> I changed drive numbers, etc...
> The powerbooks still couldn't connect
> Is it the connector I used ? Do I need another set of direct HD/SCSI to
> HD/SCSI adaptors?
> I'm stumped
> I'm trying to connect them using a PC Modem card on the 5300cs to the
> internal 3400c modem today.. Maybe that will work..
> I really wanted to format the 5300 drive using the 3400c CD Drive and I need
> help
> Thanks


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Re: problems connecting using SCSI Disk Mode

[David Brocklebank]

--- [EMAIL PROTECTED] wrote:
> Hi!
> I am trying to connect a 3400c running OS 8.6 with a
> 5300cs running OS 7.5

You have to have the PowerBook 
HDI switchable docking adapter - this is one source
http://www.powerbookguy.com/3400.html#accessories
If you look at your adapter there are probably only 29
pins.
On disc mode adapters there are 30 pins
On a switchable one it has 30 pins and with a switch
it puts the 30th pin in or out of use.
For SCSI mode it only uses 29 pins

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