Classic mac fun (and some questions) (continued...again...)

[Curtis H. Wilbar Jr.]

Brian Lanning wrote:
> I was able to find some schematics for the special iifx terminator.
> it was just a few extra filter caps.  I had planned to make one,  but
> hadn't got to it yet.  I managed to find a real one first.
>
> the iifx has a nubus ethernet card with a 10base2 and aui connector
> but no rj45.  the tranceiver I have is too fat to fit into the slot in
> the back of the machine.  so it can't reach the db15.
>   

someone here should have an AUI cable you could use between
the computer and the transciever... I may have somewhere...
but it would take a lot of digging (haven't used AUI cables in yrs).

-- Curt

> i've been meaning to setup a linux box so maybe i'll try the emulator
> route with that.
>
> On 7/9/09, Ethan Dicks <ethan.dicks at gmail.com> wrote:
>   
>> On 7/9/09, Brian Lanning <brianlanning at gmail.com> wrote:
>>     
>>>  I also picked up a rare and elusive kung-fu black terminator for the
>>>  IIfx.  So I should be able to attach the 600e to that machine and get
>>>  it going.
>>>       
>> I tried to look that up and found it easy to see that the IIfx needed
>> something odd (I couldn't find specifics), so well done there.  It
>> would be interesting to get the details to see where Apple went off
>> the rails from the SCSI spec.
>>
>>     
>>>  Then I would only need to find an AUI to RJ-45 doodad
>>>  which is skinny enough to fit into the recessed ports on the IIfx.  I
>>>  have an AUI thingy now, but it's too fat to reach the db-15 connector
>>>  on the network card.
>>>       
>> http://lowendmac.com/ii/macintosh-iifx.html
>>
>> Are you sure that's an AUI connection?  I would expect a Mac of that
>> vintage to have a DA-15 for video but not Ethernet.  Does it have 4-40
>> screwposts or stud-heads to receive a slide-lock clip?  I've never
>> worked with a IIfx, but I would expect it to need a NuBus Ethernet
>> card.
>>
>> If it really is an AUI, what was also common in the day was an AUI
>> cable to the transceiver.  I've seen plenty of heavy-duty ones from
>> back in the 10Base2 days and lots of light-grade 1m to 2m-long thinner
>> cables with molded black plastic ends that look suitable for
>> office/desktop use.
>>
>> <http://www.blackbox.com/Store/Detail.aspx/Ethernet-Transceiver-Cable-Office-Environment-10-ft-3-0-m/LCN210-0010>
>>
>> And some info...
>>
>> <http://www.ethermanage.com/ethernet/10quickref/ch3qr_7.html>
>>
>> -ethan
>>
>>     
>
>