Scrap Metal - Many have wondered how to connect a hayes modem to a spec - we answer...

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|      SCRAP METAL :)  | 
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 Iron by Sokol/Infotek               
 Many people wondered how to connect 
read hayes modem to the spec - we answer.      
                                          
Here is M. Kondratiev’s diagram. Difference from shepe- 
Levsky in using the IRQCH signal can- 
demo for interrupting Z80. In Spec's ROM, in 
BASICCH8, you need to fix a processing error 
NMI boots.  In cell 0ObDH the code 20H is replaced 
thread at 28H.                             
                                          
If you want to keep the button working 
MAGIC, then you need NMI signals on the Z80 from this 
schemes and from the flop controller to submit through 
add. element LI1, or better (simpler) - two 
diode and resistor.                         
                                          
         K5SSLL1                          
             +-+                          
 /RD --------+1|                          
      +-+ +--+ +---- IOR (B14)            
  A4 -+1| |  +-+                          
/IORQ-+ +-+ +-++-+ +--+1|                          
 /WR --------+ +-+-- IOW (B13)            
             +-+ |                        
          +------+ К5SSTM2                
          |      +-+-+                    
          |+5v 1-+R|Q+5-------+           
          |      +-+ |        |           
          +----3-+C| |        |           
 A11 ----------2-+D| |        |           
                 +-+ |        |           
/RESET--+------4-+S| |        |           
        |        +-+-+        |           
        | +-+                 |           
        +-+1+-- RESDRW (B2)   |           
          +-+                 |           
     К5SSЛH1    +-------------+           
                | +-+                     
            +-+ +-+1+-- /NMI              
IRQЧ (B24) -+1+++++ |                     
            +-+  |+-+4.7K                 
          20OOpF +-----+5В                
                                          
                                          
       ---+   +--- МОДЕМ                  
       A8 |---|A0 (A31)                   
К      A9 |---|A1 (A30)                   
О      A10|---|A2 (A29)                   
М         |   |                           
П    D0-D7|---|D0-D7 (A9)-(A2)            
   -------+   |                           
              |                           
на +5v - 10K -|A3-A10 (A28)-(A21)GND --|AEN (A11)                  
                                          
Power supply to the modem:                         
 +5v - B3, B29                            
 -5v-B5                                 
-12v - B7                                 
+12v - B9                                 
 GND - B1, B10, B31                       
Which ones are needed - cmopetb by track 
to the ISA connector of the modem.                     
                                          
Used m.s.K5SSLL1, 1/2 K5SSTM2 and 
two inverters K5SSЛH1.                    
 (I try to use the 1533 series.)       
                                          
 The modem needs an internal one, from 2400 to 
336OObps, but not plug&play only. 
You also need a terminal called MELON 
- she supports this scheme.          
                                          
PS: It should work in quorum, but it’s better 
consult with Nikolai Karimov 
Vasilievich (JSC `QUORUM`).               
                                          
      For this I ask you to take your leave (c)I       
                                          
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