Re: FTGH clear-out at Mesa Electronics, Richmond, CA, USA

[Anders Nelson via cctalk]

Hi again,

What a workout! I've followed up already with those who requested their
respective items with me in order. If anyone passes on shipment I'll give
the next in line a chance.

Turns out Peter had a bunch of those Motorola brick flip-phones too so I'm
harvesting the displays for my DIY wristwatch obsession. A good day indeed!

=]

--
Anders Nelson

+1 (517) 775-6129

www.erogear.com

On May 25, 2017 11:39 AM, "Anders Nelson"  wrote:

> Car's fixed and I'm here now. I'll be adding videos/pictures if anyone has
> specific questions!:
>
> https://goo.gl/photos/nDHumqhx61vgL1DV7
>
> =]
> --
> Anders Nelson
>
> +1 (517) 775-6129
>
> www.erogear.com
>
> On May 24, 2017 3:19 PM, "Anders Nelson" 
> wrote:
>
>> I have news,
>>
>> On my way over, my engine bay turned into a hot tub party of steam
>> courtesy of coolant leaking all over the block. The shop was on the way so
>> it's being repaired​ now but I wasn't able to get to Mesa. =[ I might try
>> tomorrow...
>>
>> How obnoxious, I hate to get people's hopes up and not deliver.
>>
>> =]
>>
>> --
>> Anders Nelson
>>
>> +1 (517) 775-6129
>>
>> www.erogear.com
>>
>> On May 24, 2017 11:39 AM, "Anders Nelson" 
>> wrote:
>>
>> Alright I have my bearings, God help me. I'll make a trip *today* at 1pm
>> PST, so 1.5 hours from now. I should be there for 1.5 hours or so.
>>
>> Please send me your prioritized wish lists ASAP - I can't guarantee
>> anything but I'll do my best.
>>
>> The Rules!:
>>
>>- DECTalk priority goes to the person who responded to my offer
>>first. After I get shipping estimates (FedEx services only, please) should
>>he/she decline I'll offer it to the next person to respond.
>>
>>- I drive a coupe so I can only fit so much - a 75lb chassis is
>>unlikely to fit and I'm unlikely to be able to carry it!
>>
>>- I'll take the loot to my local FedEx office for packing *tomorrow*.
>>If there are any specifics I'll instruct them to pack accordingly.
>>
>>- After I return with the list of items I hauled, please try to
>>estimate the shipping costs so there aren't any surprises. I think the
>>FedEx packing service will add ~$25 or so for medium-sized items.
>>
>> Here we go
>>
>> --
>> Anders Nelson
>>
>> +1 (517) 775-6129
>>
>> www.erogear.com
>>
>> On Wed, May 24, 2017 at 9:57 AM, Anders Nelson > > wrote:
>>
>>> To whomever wants that DECTalk, I live in San Francisco and could pick
>>> it up and ship it for you!
>>>
>>> --
>>> Anders Nelson
>>>
>>> +1 (517) 775-6129
>>>
>>> www.erogear.com
>>>
>>> On Wed, May 24, 2017 at 9:49 AM, Peter C. Wallace via cctalk <
>>> cctalk@classiccmp.org> wrote:
>>>
 A few more things

 HP 1650A logic analyser
 A couple Nova core memory boards
 lots of random connectors/cables/SMT parts etc


 The Dectalk is still here, for people that expressed an interest, I
 really have no time to ship it as we are moving at the same time trying to
 keep production/testing/shipping going so its pretty hectic, so if someone
 local could pick it up that would be great

 Peter Wallace
 Mesa Electronics


>>>
>>
>>

Re: Run/Stop switch from a Soviet S/370 clone

[Johannes Thelen via cctalk]

I have whole ES EVM panel, it is decorating my warehouse. Here's photo of it, 
maybe this helps to identify the switch:

https://plus.google.com/u/0/photos/114704705421528969208/albums/6114938694824762945/6374409873912794402?pid=6374409873912794402=114704705421528969208

This panel came to Finland as souviner after CCCP collapsed. I have heard we 
had here in Finland at least one ES EVM for military use, but no idea what 
happened that one.


- Johannes Thelen
Finland

Before microcomputers blog (Finnish) http://ennenmikrotietokoneita.blogspot.fi/



From: cctalk  on behalf of Liam Proven via 
cctalk 
Sent: Thursday, May 25, 2017 2:03:10 AM
To: Discussion: On-Topic and Off-Topic Posts
Subject: Re: Run/Stop switch from a Soviet S/370 clone

On 24 May 2017 at 21:45, Pontus Pihlgren  wrote:
> Cool, how might it have ended up in the UK (I assume it is there)


Er, no. It, like me, is in Brno in the Czech Republic.

--
Liam Proven • Profile: https://about.me/liamproven
Email: lpro...@cix.co.uk • Google Mail/Talk/Plus: lpro...@gmail.com
Twitter/Facebook/Flickr: lproven • Skype/LinkedIn/AIM/Yahoo: liamproven
UK: +44 7939-087884 • ČR/WhatsApp/Telegram/Signal: +420 702 829 053

Re: FTGH clear-out at Mesa Electronics, Richmond, CA, USA

[shadoooo via cctalk]

Hello,
given the rules, I think the winner could be me! :)
I hope it would not cost me a liver for shipment
As I mentioned in my direct email to you,
if the DECtalk business goes to the end, I would be interested also on the
couple of Data General memory board, these could fit in a Nova I have here,
I think.
If you need address for shipping estimation to Italy, please answer to my
email, or write to the address used in this newsgroup.

Many thanks for your efforts! :)
Andrea

   - DECTalk priority goes to the person who responded to my offer first.
   After I get shipping estimates (FedEx services only, please) should
he/she
   decline I'll offer it to the next person to respond.

Re: FTGH clear-out at Mesa Electronics, Richmond, CA, USA

[Anders Nelson via cctalk]

Car's fixed and I'm here now. I'll be adding videos/pictures if anyone has
specific questions!:

https://goo.gl/photos/nDHumqhx61vgL1DV7

=]
--
Anders Nelson

+1 (517) 775-6129

www.erogear.com

On May 24, 2017 3:19 PM, "Anders Nelson"  wrote:

> I have news,
>
> On my way over, my engine bay turned into a hot tub party of steam
> courtesy of coolant leaking all over the block. The shop was on the way so
> it's being repaired​ now but I wasn't able to get to Mesa. =[ I might try
> tomorrow...
>
> How obnoxious, I hate to get people's hopes up and not deliver.
>
> =]
>
> --
> Anders Nelson
>
> +1 (517) 775-6129
>
> www.erogear.com
>
> On May 24, 2017 11:39 AM, "Anders Nelson" 
> wrote:
>
> Alright I have my bearings, God help me. I'll make a trip *today* at 1pm
> PST, so 1.5 hours from now. I should be there for 1.5 hours or so.
>
> Please send me your prioritized wish lists ASAP - I can't guarantee
> anything but I'll do my best.
>
> The Rules!:
>
>- DECTalk priority goes to the person who responded to my offer first.
>After I get shipping estimates (FedEx services only, please) should he/she
>decline I'll offer it to the next person to respond.
>
>- I drive a coupe so I can only fit so much - a 75lb chassis is
>unlikely to fit and I'm unlikely to be able to carry it!
>
>- I'll take the loot to my local FedEx office for packing *tomorrow*.
>If there are any specifics I'll instruct them to pack accordingly.
>
>- After I return with the list of items I hauled, please try to
>estimate the shipping costs so there aren't any surprises. I think the
>FedEx packing service will add ~$25 or so for medium-sized items.
>
> Here we go
>
> --
> Anders Nelson
>
> +1 (517) 775-6129
>
> www.erogear.com
>
> On Wed, May 24, 2017 at 9:57 AM, Anders Nelson 
> wrote:
>
>> To whomever wants that DECTalk, I live in San Francisco and could pick it
>> up and ship it for you!
>>
>> --
>> Anders Nelson
>>
>> +1 (517) 775-6129
>>
>> www.erogear.com
>>
>> On Wed, May 24, 2017 at 9:49 AM, Peter C. Wallace via cctalk <
>> cctalk@classiccmp.org> wrote:
>>
>>> A few more things
>>>
>>> HP 1650A logic analyser
>>> A couple Nova core memory boards
>>> lots of random connectors/cables/SMT parts etc
>>>
>>>
>>> The Dectalk is still here, for people that expressed an interest, I
>>> really have no time to ship it as we are moving at the same time trying to
>>> keep production/testing/shipping going so its pretty hectic, so if someone
>>> local could pick it up that would be great
>>>
>>> Peter Wallace
>>> Mesa Electronics
>>>
>>>
>>
>
>

OT: BBC videotapes (Was: DIY Kryoflux or Catweasle

[Fred Cisin via cctalk]

I wonder if the market is still flooded with BBC "Doctor Who" 2"
videotapes for erasing and re-use?

On Wed, 24 May 2017, ben via cctalk wrote:

Well if you have any BBC DR WHO tapes, there are several gaps
in the surviving recordings that need filling in.


For any unfamiliar with the reference, . . .
from 1967 to 1978, BBC routinely erased and reused the tapes of shows, 
including "Doctor Who".

And, occasionally would dumpster film copies to free up shelf space.

Some of that was an assumption that there was no further value or use in 
retaining copies, since nobody would be interested in reruns, along with 
cost of paying royalties for any re-broadcast (Equity contract was 
draconian);

some was cost and value of blank tape;
and much was assumptions that "some other department" maintained archival 
copies.


In 1978, executives were finally convinced that due to the advent of home 
videotape, that there might be future value, and there was a policy change 
to stop disposing of them.


152 episodes, mostly from the 1960s, were missing.

Efforts have been made to locate missing episodes.  That includes 
retrieving copies sent overseas, buying some from personal collections, 
finds in storage sheds in the outback, even gathering home audio tapes and 
amateur 8mm and Super-8 "kinetoscope" (movie camera aimed at TV screen).


Copies that had been transcoded from PAL to NTSC or SECAM have now been 
transcoded back.


BBC had "professionally" done some kinetoscope copies.  Those were 
16mm B, and BBC colorised some of those, including some commercial 
colorisation services.
But contrary to common knowledge that when making B films, better 
image quality results from using a B monitor, the BBC kinetoscope had 
had a color monitor.
Fortuitously, the B film was sharp enough to be able to make out the dot 
mask of the CRT!  That made possible the development of a new technique - 
computer recognition of which pixels were the original RGB dots of the 
image!  That, unlike manual colorisation, results in reasonably exact 
recreation of the original colors.


Some of the missing content has even been replaced with animation,
synched to home audio.   Earlier this year, BBC released animated
version of "Power Of The Daleks"

97 of the 253 episodes from the first six years are still unavailable.


Almost all of the content that they have was released first as VHS, and 
now on DVD.   The DVDs all have SDH (Subtitles for Deaf/Hard-of-hearing) 
available.   To complete my collection of the released ones, I had to buy 
quite a few through ebay.co.uk .   ANYDVD and Handbrake worked 
surprisingly smoothly.



So, yes, if I had any of those 2" videotapes, 16mm films, or even off-air 
tapes of missing episodes, I would contact BBC.


--
Grumpy Ol' Fred ci...@xenosoft.com

Re: Kryoflux or Catweasle

[Paul Koning via cctalk]

> On May 25, 2017, at 12:14 PM, ben  wrote:
> 
> On 5/25/2017 9:39 AM, Paul Koning wrote:
>>> 
>> You can do the same with other VHDL processors.  If you don't want to deal 
>> with a particular manufacturer and potentially pay major money for the tool 
>> set, there's GHDL, a open source GCC-based VHDL modeler.  It has some handy 
>> capabilities, such as a way to hook C functions into the model.
>>  paul
> 
> I use the other BRANDS. I never liked VHDL because I can never figure how the 
> logic port mapping works and the on edge logic.
> Also what is wrong with custom designs IN ADL,PAL and WINCUPL. Your FPGA
> logic is so custom you have no good portable logic for ram or rom on chip any 
> how.

That remains to be seen.  I'm doing a very large model on GHDL right now.  
Eventually it will move to an FPGA.  At that point, a few small details, like 
the inner bits of the memory model, will be device dependent.  Right now in 
that spot I use an interface taken, more or less, from a Xilinx app note.  But 
that's only a few hundred lines out of about 200k lines.  

As for custom languages, I've used ABEL (from Lattice).  It was ok for a bit of 
logic amounting to a few dozen gates, but I'm glad I'll never have to go back 
to it.

There is of course Verilog as another option.  I use VHDL because that's what I 
learned first and because I found GHDL.  There's a nice opportunity for 
language wars here which I'll decline.

paul

Re: Kryoflux or Catweasle

[ben via cctalk]

On 5/25/2017 9:39 AM, Paul Koning wrote:



On May 25, 2017, at 11:35 AM, Jon Elson via cctalk  
wrote:

On 05/24/2017 02:58 PM, ben via cctalk wrote:


I am not to sure about that.
If a schematic has a bug you can use a logic probe to find the error.
With typo in VHDL you have hard problem finding that single gate
error.


With Xilinx, they have a VERY good simulator.  You create a "test bench" in 
VHDL or other HDL to describe external signals.


You can do the same with other VHDL processors.  If you don't want to deal with 
a particular manufacturer and potentially pay major money for the tool set, 
there's GHDL, a open source GCC-based VHDL modeler.  It has some handy 
capabilities, such as a way to hook C functions into the model.

paul


I use the other BRANDS. I never liked VHDL because I can never figure 
how the logic port mapping works and the on edge logic.

Also what is wrong with custom designs IN ADL,PAL and WINCUPL. Your FPGA
logic is so custom you have no good portable logic for ram or rom on 
chip any how.

Ben.
simulating ttl computer with software.
Simulating ttl with 22v10's.
Simulating 22v10's with FPGA.
easy design and testing.

Re: Kryoflux or Catweasle

[Paul Koning via cctalk]

> On May 25, 2017, at 11:35 AM, Jon Elson via cctalk  
> wrote:
> 
> On 05/24/2017 02:58 PM, ben via cctalk wrote:
>> 
>> I am not to sure about that.
>> If a schematic has a bug you can use a logic probe to find the error.
>> With typo in VHDL you have hard problem finding that single gate
>> error.
>> 
> With Xilinx, they have a VERY good simulator.  You create a "test bench" in 
> VHDL or other HDL to describe external signals.  

You can do the same with other VHDL processors.  If you don't want to deal with 
a particular manufacturer and potentially pay major money for the tool set, 
there's GHDL, a open source GCC-based VHDL modeler.  It has some handy 
capabilities, such as a way to hook C functions into the model.

paul

Re: Kryoflux or Catweasle

[Jon Elson via cctalk]

On 05/24/2017 02:58 PM, ben via cctalk wrote:


I am not to sure about that.
If a schematic has a bug you can use a logic probe to find 
the error.
With typo in VHDL you have hard problem finding that 
single gate

error.

With Xilinx, they have a VERY good simulator.  You create a 
"test bench" in VHDL or other HDL to describe external 
signals.  Then, you can probe around like a logic analyzer, 
looking at internal signals behavior, making sure all the 
counters are in the right state, and logic is responding to 
external events, etc.  If that doesn't make it all work 
right, they have ChipScope, which builds a logic analyzer in 
available remaining available hardware on the FPGA, and you 
access it from JTAG.  You compile into your FPGA the points 
you need to see, and then get very similar traces to the 
sim, but it is viewing the signals embedded into the actual 
hardware of whatever you are working on.  If you didn't set 
it up to see the right signals, you change what is included 
in ChipScope and re-synthesize.  It isn't quite as 
convenient as the sim, but it will allow you to figure out 
if some small section of your FPGA is not functioning right 
within a larger system.


With VHDL, you generally do NOT work at the gate level.

Jon

Re: Kryoflux or Catweasle

[Paul Koning via cctalk]

> On May 25, 2017, at 6:03 AM, allison via cctalk  wrote:
> 
> On 05/25/2017 12:18 AM, Chuck Guzis via cctalk wrote:
>> On 05/24/2017 12:49 PM, allison via cctalk wrote:
>> 
>>> I remember when RTL was new and uRTL was a later improvement.
>> Flatpack and TO-100.  I probably still have a few mW RTL packages
>> around.  DIPs came later.
> Both and 3 input nors in a flat pack about 5000 of them were used in
> AGC.

Early RTL from Fairchild came in round transistor cans (TO-8?) with 8 leads.  
Dual 2-input NOR (914), single JK flop (923), dual (?) inverters (900) if I 
remember right.  Never used them, but I remember seeing them in a Morse code 
keyboard article around 1968.

paul

Re: FTGH clear-out at Mesa Electronics, Richmond, CA, USA

[Chuck Guzis via cctalk]

On 05/25/2017 08:13 AM, Paul Koning via cctalk wrote:
.
> 
> For some definition of "standard".  It seems that IBM did this, and DEC prior 
> to the PDP-11, but other machines of that time or earlier numbered bits 
> according to the power of 2 they represent, i.e., the "current standard".  
> CDC and Burroughs are examples.

Not all CDC machines did; consider the Cyber 200 series:

http://bitsavers.informatik.uni-stuttgart.de/pdf/cdc/cyber/cyber_200/60256000_STAR-100hw_Dec75.pdf

But that only made sense, as the Cyber 200 machines are bit-addressable.
  For a time, my work straddled both the Cyber 70 and 200 systems, and
so had to adjust my thinking.  Not just bit-ordering, but the 70/6000
used 6-bit display code, while the 200 used 8 bit ASCII.

Fun times.

--Chuck

Re: Kryoflux or Catweasle

[allison via cctalk]

On 05/25/2017 12:18 AM, Chuck Guzis via cctalk wrote:
> On 05/24/2017 12:49 PM, allison via cctalk wrote:
>
>> I remember when RTL was new and uRTL was a later improvement.
> Flatpack and TO-100.  I probably still have a few mW RTL packages
> around.  DIPs came later.
Both and 3 input nors in a flat pack about 5000 of them were used in
AGC.


Allison


> --Chuck
>

Re: Atari ST SCSI hard drive question

[Liam Proven via cctalk]

On 25 May 2017 at 02:12, Win Heagy via cctech  wrote:
> The adapter on top is a male to female adapter.  Not sure what that was
> for.  The SCSI terminator is plugged in the back below the DMA/SCSI adapter.


Just a standard Amphenol terminator, I think.

-- 
Liam Proven • Profile: https://about.me/liamproven
Email: lpro...@cix.co.uk • Google Mail/Talk/Plus: lpro...@gmail.com
Twitter/Facebook/Flickr: lproven • Skype/LinkedIn/AIM/Yahoo: liamproven
UK: +44 7939-087884 • ČR/WhatsApp/Telegram/Signal: +420 702 829 053

Re: FTGH clear-out at Mesa Electronics, Richmond, CA, USA

[Paul Koning via cctalk]

> On May 25, 2017, at 10:41 AM, Noel Chiappa via cctalk  
> wrote:
> 
>> From: Anders Nelson
> 
>> Heavens, why are the bit positions in descending order right to left in
>> that PCM-12?
> 
> Numbering bits in descending order from right to left (AKA increasing order
> from left to right) used to be the standard - IBM S/360, PDP-10, etc, etc
> all did it that way.

For some definition of "standard".  It seems that IBM did this, and DEC prior 
to the PDP-11, but other machines of that time or earlier numbered bits 
according to the power of 2 they represent, i.e., the "current standard".  CDC 
and Burroughs are examples.

I just went back a bit, and found something interesting: the Dutch machine ARRA 
(around 1951, relay based, only worked once) has IBM style bit numbering.  But 
its successor ARRA II (1953, tubes) uses "current" ordering.  Perhaps the 
reason is that the description of ARRA II was written by Dijkstra.

paul

Re: Kryoflux or Catweasle

[Chuck Guzis via cctalk]

On 05/25/2017 07:31 AM, Fred Jan Kraan via cctalk wrote:

> This is indeed very easy to implement, I did it in less than a day,
> including some doc: https://fjkraan.home.xs4all.nl/digaud/arduino/FDDExer/.

Nice--I did a similar one using a $4 Maple Mini clone. (STM32F103).

Again, as you say, simple.

--Chuck

vaxstation/vlc mouse connector

[emanuel stiebler via cctalk]

anybody here knows what the right name for it is?
I need to replace some on a vlc, but how to find the right one ...

Thanks!

Re: FTGH clear-out at Mesa Electronics, Richmond, CA, USA

[Noel Chiappa via cctalk]

> From: Anders Nelson

> Heavens, why are the bit positions in descending order right to left in
> that PCM-12?

Numbering bits in descending order from right to left (AKA increasing order
from left to right) used to be the standard - IBM S/360, PDP-10, etc, etc
all did it that way.

Noel

Re: Kryoflux or Catweasle

[Fred Jan Kraan via cctalk]

On 24 May 2017 08:28:42 -0700 Chuck Guzis via cctalk 
 wrote:



Mine are for specific-purpose applications, so they're not likely to be
of use to anyone else.  Note that I'm not interested in archiving disks,
but rather getting at their content and saving that.

But golly, it isn't that difficult--most MCUs have several timers, and a
"capture" facility so reading should be easy.  Writing is again, mostly
feeding a PWM output to the drive.  The floppy interface itself is very
much brain-dead.


This is indeed very easy to implement, I did it in less than a day, 
including some doc: https://fjkraan.home.xs4all.nl/digaud/arduino/FDDExer/.


This isn't news--the HxC emulator basically does the work and runs on an
STM32F1 platform--which is weak tea compared to the ARM CPUs currently
available.


I'm not sure this will work on my Teensy, but it will be fun to try. Or 
else I could upgrade.


My .02 cents.
Chuck


Fred Jan

RE: Atari ST SCSI hard drive question

[Dave Wade G4UGM via cctalk]

> -Original Message-
> From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Win
> Heagy via cctech
> Sent: 25 May 2017 01:12
> To: cct...@classiccmp.org
> Subject: Atari ST SCSI hard drive question
> 
> I have an Atari 1040ST that I picked up some time back.  It is very clean and
> for the most part appears to work.  It has what appears to be some kind of
> generic SCSI hard drive (no markings except a serial number on the back) as
> well as a DMA/SCSI adapter.  The computer will boot to GEM/TOS with or
> without a floppy, but I can't seem to get the HD to do much.  The HD powers
> up and spins/clicks like you'd expect, but after that, I get nothing on the
> desktop.  I tried different SCSI device number settings as well as moving the
> SCSI plug to each of the two plugs on the drive.  It did not have a SCSI
> terminator with it, but I picked one up...made no difference.
> 
> I know very little about STs, so am learning as I go.  I'm guessing that maybe
> there should be a driver for the HD?  

The ST will boot from the SCSI bus so any driver normally lives on the Hard 
Drive and is loaded via the boot.


> The machine came with software, but I
> don't see anything that looks like an HD driver disk.  It has two slightly
> different language disks and will boot each of them successfully, but the HD
> does not show up.  Is anyone familiar with this particular drive and can
> possibly point me in the right direction?
> 
> https://imgur.com/a/pxMxl
> 
> The adapter on top is a male to female adapter.  Not sure what that was for.
> The SCSI terminator is plugged in the back below the DMA/SCSI adapter.

That is an ICD adaptor and so needs the special ICD software. As this was 
saleable I have three suggestions: -

1. It was just binned as someone didn't know it was valuable.
2. It was sold as it was valuable
3. He used a hooky copy.

The ICD web site is up but no products are available.

http://www.icd.com/atari/

I thought there was a copy on the Atari Archive at UMICH but it appears not.

http://umich.edu/~archive/atari/

but the standard Atari software is available there. I think it works with the 
ICD adaptors.

The only available driver is that from here:-

http://hddriver.seimet.de/en/

which is really good. The demo will at least see the SCSI IDs...

most Atari action now takes place on the Atari Forums, which I never look at 
these days. Google it...


> 
> Thanks...Win
> whe...@gmail.com

Dave
G4UGM

RE: Kryoflux or Catweasle

[Paul Birkel via cctalk]

>-Original Message-
>From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of ben via cctech
>Sent: Thursday, May 25, 2017 1:32 AM
>To: cct...@classiccmp.org
>Subject: Re: Kryoflux or Catweasle
>
>On 5/24/2017 7:19 PM, allison via cctech wrote:
>
>> I have a load of all of those...  2901Cs the faster ones. The 2901 tends
>> to force
>> the flavor of the hardware and instructions toward microcoded machine.
>
>But if you want 9 or 18 bits, 2901 is not the answer.
>A 74181 can be tricked in to being used as 3 bit alu.
>
>
>Ben.

Can you tell more about the 3-bit trick?

-
paul

RE: Atari ST SCSI hard drive question

[Henk Gooijen via cctalk]

Van: Win Heagy via cctech
Verzonden: donderdag 25 mei 2017 02:12
Aan: cct...@classiccmp.org
Onderwerp: Atari ST SCSI hard drive question

I have an Atari 1040ST that I picked up some time back.  It is very clean
and for the most part appears to work.  It has what appears to be some kind
of generic SCSI hard drive (no markings except a serial number on the back)
as well as a DMA/SCSI adapter.  The computer will boot to GEM/TOS with or
without a floppy, but I can't seem to get the HD to do much.  The HD powers
up and spins/clicks like you'd expect, but after that, I get nothing on the
desktop.  I tried different SCSI device number settings as well as moving
the SCSI plug to each of the two plugs on the drive.  It did not have a
SCSI terminator with it, but I picked one up...made no difference.

I know very little about STs, so am learning as I go.  I'm guessing that
maybe there should be a driver for the HD?  The machine came with software,
but I don't see anything that looks like an HD driver disk.  It has two
slightly different language disks and will boot each of them successfully,
but the HD does not show up.  Is anyone familiar with this particular drive
and can possibly point me in the right direction?

https://imgur.com/a/pxMxl

The adapter on top is a male to female adapter.  Not sure what that was
for.  The SCSI terminator is plugged in the back below the DMA/SCSI adapter.

Thanks...Win
whe...@gmail.com


It’s been a lng while. Very long ago I bought an ASCI adapter with
52 MB hard disk and installed it inside the Mega 1. I still have it, but
haven’t used it in years.
Together with the hardware came a driver, to make it boot from HD.
I vaguely remember that when the Atari was booted, the HD was still
spinning up, thus not accessible.
What you can try: power up the Atari, wait say 10-15 seconds to let
the HD spin up, then push the little reset button at the back.
Maybe it then boots from the HD … if something is on the HD.

Re: Atari ST SCSI hard drive question

[Chuck Guzis via cctalk]

On 05/24/2017 07:03 PM, Zane Healy via cctech wrote:
> I think you’ll find that’s an ACSI Disk, I’m not sure how compatible
> they are with SCSI.
ACSI is close--there are some differences from SCSI.  I still have a
board I built back in the day to bridge the SCSI-ACSI difference.  I
used it with an OMTI  ST506-RLL-to-SCSI converter.   I probably still
even have my driver code somewhere.

The connectors are a bit unusual, though--I think they're something like
a DB19.

However, there are modern versions of the ACSI adapters:

https://shop.inventronik.de/index.php

--Chuck