Scrap Metal - Connecting Hayes-compatible modems to the ZS-Scorpion PC.

                                          
                                          
                                          
                                          
                                          
 Hey guys, guys!  Under this
section as information becomes available,
articles will be published about all sorts of good and
different tins with wires and light bulbs,
so necessary for your Spec.  Today,
my friends, we will look at one simple one,
but a very valuable diagram, so:             
                                          
Connecting Hayes-compatible modems  
 to the ZS-Scorpion PC.               
                                          
 In general, momeds, ugh, modems are the same
what a thing after using which you
can’t imagine normal work at
computer. If from the color monitor still
Is it possible to switch to monochrome somehow?(especially if you started with it), then,
After using the modem for some time, you will not
you will have the luxury of going to
neighbor for a new toy, but just
download it while lounging around with a beer
sofa  So far, attempts have been made
bring the Spectrum closer to civilization without
unnecessary expenses - I mean something called
called Vicomm. This proud name     
carries a transformer from the phone and steam
mikrukh thrown by MGTF.  It's a miracle
hostile technology does not turn the tongue
to call it a modem is especially striking
speed...                               
 However, enough empty talk -
closer to the body;)                            
 Unspecified time ago I caught fire
idea of a normal modem and somehow got caught
I see an article in ~Format~ about Hayes's
Kondratiev modems, I became interested and
I asked a fidoshnik friend of mine
lather him... and this is what came out of it:
                                          
 Hello Dmitry!                        
                                          
 Fri Jun 20 1997, Dmitry Bahvalov
concocted a letter to Michael Kondratyev: DB> In ZX-FORMATe I read your article about
HAYES modems, is it possible?
connect to the Spectrum (to Scorp), and
If so, where can I get the diagram?            
 MK> it is quite possible if you want.  in
In principle, there is another option for Scorpio
via a proprietary monster controller
( hdd / cmostimer / nvram / ibmslot).   has
sense, probably, if the soldering iron is not the best
friend or need a hard drive. but nothing
prevents me from attaching it without it, in my opinion
scheme. in both cases there is not much software yet,
mostly under arrest.                 
 DB> If anything happens, kick it. Reply
please ask me, because he is still with his Specky
didn't fit into FIDO. :)                         
 MK> well, I’m starting to answer or something... for
warm-up here is a diagram (perhaps after seeing it,
you won't want to continue;)                     
                                          
=========== Cut and save =============
 Modem coordination board with Scorpion 
 __                                    
B18/RD LL1 13┌--┐11                   
  ·--------------┤1 ├----------->IOR/B14  
    ____       12│  │ ┌--------->IOW/B13  
B17/IORQ 1┌--┐3┌-┤  │ │   ┌----->IRQЧ/B24 
  ·-------┤1 ├-┤ └--┘ │   │  ЛН1          
A24/A4   2│  │ │  ЛЛ1 │   │1┌-┐2      ___ 
  ·-------┤  │ │4┌--┐6│   └-┤ o-┐B23/NMI·┐
    __    └--┘ └-┤1 ├-┤     └-┘ │  ЛЛ1   │
B19/WR     ЛЛ1  5│  │ │ 1┌-┬--┐ │  9┌--┐ │
  ·--------------┤  │ │ -oR│TT│ └---┤1 │8│
A28/A11          └--┘ │ 2├-┤  │5  10│  ├-┘
  ·----------------------┤D│  ├-----┤  │  
                      │ 3│ │  │     └--┘  
    _____             └--/C│  │м-мы:1SSЛЛ1
A20/RESET               4├-┤  │     1SSЛH1
  ·-------┬--------------oS│  │TM2  1SSTM2
          │3┌-┐4         └-┴--┘           
          └-┤ o----------------->RESET/B2 
            └-┘       ·- номер контакта на
           ЛН1   сис.шине/название сигнала
выводы:  7 - земля                        
м.схем: 14 - + 5 v  ->                    
название сигнала/разъем модема            
                                          
   конденсаторы подключ: к 7  и  14  ногам
ЛЛ1 м ТМ2; на +12v модема емкость:0,01-0,
1мкф                                      
------------------------------------------
        Доработка схемы СКОРПИОНА         
    D55                                   
(DDЗ2 Turbo+)                             
           ┌----┐          Z80 ┌-----┐34  
           │ DC │              │ CPU ├->A4
 разрезать │    │   разрезать  │     │    
         6│    │           17│     │    
  -┬--x---┬┤    │   ---┬--x---┬┤     │    
   │1┌--┐3││    │      │4┌--┐6││     │    
   │ │  │ ││    │      │ │  │ ││     │    
   └-┤& ├-┘│    │      └-┤& ├-┘│     │    
 A4 2│  │  └----┘       5│  │  └-----┘    
 ----┤  │            ┌---┤  │             
к Z80└--┘DD 1SSЛИ1   │   └--┘                      └------> NMI/B23     
                         на сис.раз'ем    
                                          
                        м/с 1SSЛИ1 паять  
                        на слепыше, рядом 
                        системным раз'емом
------------------------------------------
          скорпион          модем         
  ┌------┬---┐     ┌---┬------┐           
  │ A8   │b26├---->│a31│ A0   │           
  │ A9   │a27├---->│a30│ A1   │           
  │ A10  │b27├---->│a29│ A2   │           
  │ D0   │b6 ├---->│a9 │ D0   │           
  │ D1   │b7 ├---->│a8 │ D1   │           
  │ D2   │b8 ├---->│a7 │ D2   │           
  │ D3   │b11├---->│a6 │ D3   │           
  │ D4   │b12├---->│a5 │ D4   │   │ D5   │b10├---->│a4 │ D5   │           
  │ D6   │b9 ├---->│a3 │ D6   │           
  │ D7   │b3 ├---->│a2 │ D7   │           
  │      │   │     │a28│ A3   │ -┐        
  │      │   │     │a27│ A4   │  │ НА     
  │      │   │     │a26│ A5   │  │+5v     
  │      │   │     │a25│ A6   │  │через   
  │      │   │     │a24│ A7   │  │3-10k   
  │      │   │     │a23│ A8   │  │        
  │      │   │     │a22│ A9   │  │        
  │      │   │     │a21│ A10  │ -┘        
  │      │   │     │a11│ AEN  │ на землю  
  │ +5v  │a3 ├---->│b3 │ +5v  │           
->│ -5v  │   ├---->│b5 │ -5v  │           
->│ +12v │a17├---->│b9 │ +12v │           
->│ -12v │a14├---->│b7 │ -12v │           
  │ GND  │a30├---->│b1 │ GND  │           
  │ GND  │b30├---->│b31│ GND  │           
  │      │   │ ┌-┐ │   │      │           
  │/RESET│a20├-┤ │ │   │      │           
  │/RD   │b18├-┤п│ │   │      │           
  │ A4   │a24├-┤л│ │   │      │           
  │/IORQ │b17├-┤а├-┤b2 │ RESET│           
  │/WR   │b19├-┤т├-┤b14│/IOR  │           
  │ A11  │a28├-┤а├-┤b13│/IOW  │           
->│/NMI  │b23├-┤ ├-┤b24│ IRQЧ │           
  └------┴---┘ └-┘ └---┴------┘           
   сигнал               сигнал            
                                          
  ---> подвести сигнал наsystem bus  
                                          
                                          
                                          
                                          
                                          
 MANDATORY!!!              
 --------------             
 on the modem connector should 
Only specified numbers are used
contacts.  If used, etc.
contacts, the modem may NOT work.        
                                          
 Cable connecting the system connector
Scorpion with a matching board
modem connector (slot) soldered on it
should be no longer than 25 cm.             
                                          
 (c) 1995 Michael Kondratyev             
=========== Cut and save =============
                                          
                                          
 With best wishes, Michael.      Hello Dmitry!                        
                                          
Некоторые комментарии:                    
кнопки управления:                        
 SS+Q -  Exit                             
 CS+3 -  Log on                           
 CS+4 -  Log off                          
 CS+6 -  DownLoad                         
 CS+7 -  UpLoad                           
                                          
 CS+9 -  Esc                              
 CS+5 -  Ctrl-C                           
 CS+8 -  Ctrl-X                           
                                          
По смещению 09FSh от начала - скорость    
порта,  6 - 19200                           
 OCh - 9600                            
, etc.                             
                                          
 In the modem settings, select
Hardware Flow Control (RTS/CTS) so that when
symbols were not lost in the work due to
buffer overflow.                      
 Yes, the start address after copying to
correct isdos to 24064!                 
                                          
                                          
 Hello Dmitry!                      
                                          
 Wed Jul 02 1997, Dmitry Bahvalov
concocted a letter to Michael Kondratyev: 
 MK> attach without it, in my opinion
scheme. in both cases there is not much software yet,
mostly under arrest.                 
 DB> What type of software is this? Terminals?
Is there software for working with Fido? :)         
 not much yet: a simple terminal with
xmodem and separate modem receiver.
Both are far from ideal, but in principle
efficient. in the near future -
normal modem support (and there,
look, it’s not far to the mailer
Shandshake remains to be done).              
 DB> Can I ask for the software?             
 MK> you can, but be careful.   great
the possibility that you will kill me
road.;(                                 
 DB> D55 - is it k5SSid7?                  
 MK> yes, the one that goes to a0 a1 a5. for
old boards (up to sc14) on the sixth leg
there is still snot with /m1.                     
 DB> and more... The CPU has 43 legs (A4) and
1SS or 12nd pin should be connected?   
 MK> is also true. (although not necessarily
specifically to the npunubatb processor;)           
 DB> if the modem has more contacts than
indicated here on the diagram, then it may not
work? why?  MK> I didn’t draw this, I don’t know.  maybe
it may work, it may not work - that's it
dialectics.  it's easier to take it, stick it in and
check.  although the probability of success
outcome is high (according to my information, not
about a couple of fifty modems are working
seen by me).  popular in circles
Soviet youth usr works exactly
(though sometimes for 95g models
had to install additionally
apb(va86) for data).                     
 DM> What does ^^^^^^ mean? C/NMI like
understandable. The interface board has an output
/NMI, and you need to poke it into the system. tire
So? What about -5v, +12v, -12v? What are they,
not there?                                  
 MK> where does the negative power come from?
take? -5 and -12 usually and Sinclair
the source does not provide it. although you have to watch
via modem, what he needs (where there are no tracks,
there is no need to submit anything there). if bp
standard from PC - there are all four. and
also, usually to check the operation of the modem 
(see the echo in the terminal) is enough only
+5. yes, still, before I forget for ROM versions
under 2.95 in order for everyone
it works, you need to change one byte
(48basic, addr 0ObDh 20h->28h). in more
new this has already been fixed and that meanshimself
no need to do it.                           
 With best wishes, Michael.       
 --- Colonel at physical exercises, uniform
clothing number 2.50.A0611+                 
=========================================
(texts of correspondence and diagrams are left without  
changes. Corrector)                     
                                          
 ... This is the scheme, well,
scared? If not, then it's time to turn it on
паяло и  соорудить нечто  наподобии  этого
inventions.                              
 P. S.: The terminal is under isdos
Guess where (hussars, keep quiet!!;->).    
 Due to the fact that LATTELEKOM introduced
draconian payment system, increases
economic benefit of acquisition and
use of HAYES, because self-
делки  не  смогут обеспечить такой высокой
data transfer rates.                 
 All questions, answers, money, parcels
and parcelsпередавайте по адресу, указанно-
му в разделе "АБЗАЦ".                     
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
 : Article written & edited by S.F.D.     
 : Corrected by R.V.A.                    
 : Music composed by DJ IRONMAN           
 : Thanks 4 cooperation to Dmitry Bahvalov
    and Michael Kondratyev                
 : МЕТАЛЛОЛОМ (C) 1997 ALFA (tm)