NOTE: Russian coding table is KOI8-R (RFC 1489).

	wau -  ATA (IDE)    (UNIBUS) 
           PDP-11,VAX-11 (CM-3,CM-4,CM-1420,CM-1600,CM-1700).

*******************************************************************************
* Copyright (c) 1999 by Dmitry Pryanishnikov, Dnipropetrovsk, Ukraine.        *
*                                                                             *
* Permission is granted to any individual or institution to use, copy,        *
* or redistribute this software so long as all of the original files          *
* are included, that it is not sold for profit, and that this copyright       *
* notice is retained.                                                         *
*                                                                             *
* This project has been provided 'as is'. Any expressed or implied warranties * 
* are disclaimed. In no event shall I be liable for any direct, indirect or   *
* other damages arising out of the use of this project, etc. However I am     *
* interested in feedback from the users of this technology, and any           *
* suggestions are welcome.                                                    *
*******************************************************************************

  :
 
 wau1420.sch	-    ATA <=> UNIBUS  1420
                  (PCAD v4.5)
 wau1420.ps     -     
 wau1700.sch	-    ATA <=> UNIBUS  1700
                  (VAX-11/730) (PCAD v4.5)
 wau1700.ps     -     
 wabrom.mac     -       PDP-11
 wabrom.lst     -       PDP-11
 
      p        p    (    pp),
p  p   p  UNIBUS      4-   
IDE-p. 
   p  p      p  4
  p.  p        
   2 IDE-p (master  slave),  
 IDE-   8   .
 master/slave - 2- pp   p p
p (  p p  
 p p p),     2
 ""   ,     
   PC - master/slave.  p p
   IDE- (    18  ,  ..  46
p).  pp p    p      p,
  ,  pp,   CD-ROM,   
  -        
 :)
     p pp,    p,    400  (8)
p  p 400(8) .  p    p  p  
 p    ( BUS C0L  ), p  
p,    8-pp  IDE-pp,  p  8    
; p    .    
171000-171377 (8).
     H p 200(8)  p  pp  p  p
p  (p DD27  DD28, DD27  -    ,  DD28  -
p).   64     p    IDE-p  
PDP-11 (. WABROM.MAC  WABROM.LST).    1700  
  .  200(8)  p  4   40(8)
, pp   :


 
 (8)

      +----------------------------------------+
+0    | p        | CSR p           |
      |----------------------------------------|
+2    |      CSR -       |
      |----------------------------------------|
+4    |              |
      |----------------------------------------|
+6    |                |
      |----------------------------------------|
+10   |          p                        |
      |----------------------------------------|
+12   |          p                        |
      |----------------------------------------|
+14   | p        | Alternate status (r/o) |
      | p        | Device control (w/o)   |
      |----------------------------------------|
+16   |          p                        |
      |----------------------------------------|
+20   |           Data (r/w)                   |
      |----------------------------------------|
+22   | p        | Error (r/o)            |
      | p        | Features (w/o)         |
      |----------------------------------------|
+24   | p        | Sector Count (r/w)     |
      |----------------------------------------|
+26   | p        | Sector Number (r/w)    |
      |----------------------------------------|
+30   | p        | Cylinder Low (r/w)     |
      |----------------------------------------|
+32   | p        | Cylinder High (r/w)    |
      |----------------------------------------|
+34   | p        | Device/Head (r/w)      |
      |----------------------------------------|
+36   | p        | Status (r/o)           |
      | p        | Command (w/o)          |
      +----------------------------------------+

     pp CSR p:

        +-----------------------------------------------+
        | INT | IE  | DTM | NDM |  0  |  0  |  0  | MD1 |
        +-----------------------------------------------+

INT (r/o) -   IRQ   , p  
             "1"        "1"    6  (IE)  pp
            pp ( p    pp
            , ISR   IE /, p  Status
            Register,   IRQ.
IE  (r/w) -  pp pp,   BUS INIT L
DTM (r/o) - p "p p" (. )
NDM (r/o) -    DMA (  
	     UNIBUS-).      "1".
MD1 (r/w) -  PIO-.  , PIO0,  ,
            PIO1.       .
	      BUS INIT L

         200(8)      p,   
p,  240(8) - p+4(8),  300(8) - p+10(8), 
340(8) - p+14(8).      120-134(8).

     p:

DD1...DD7       5593
DD8,DD9         1551
DD10...DD13     5592
DD14...DD18     58082
DD19,DD20       1551
DD21,DD22       1553
DD23...DD25     5552
DD26            1552
DD27,DD28       5732(5)
DD29,DD30       1552
DD31...DD33     1551
DD34            55530
DD35...DD38     1553
DD39            1551
DD40            5557
DD41            5551
DD42            58024
DD43            5556
DD44            5558
DD45            1551
DD46            1555
DD47            1552
DD48            55530
DD49,DD50       55522

       -  16 .

     , p DD21,DD22,C1...C4,R1,R7,R8,R11,R12   
p          pp   p,
p p p  p,  "p  ".  (
       -  IBM  WDA-L42,  40).    
pp IDE  Linux,   ,    p  
 p (  pp p   ,  p,
  pp p;    drive  recovery  time).
p   p :         
p (pp, ),    p   p
"  "  (  BUSY    CSR      ,    
p). ,      , p ,
       IBM PC/AT 486,   
pp,       p  INT  13.  H      
p () p p p   (pp  
BOOT/SAV p p  1 , p   p  
).    pp p  p, 
 p   p    p  100  .
   pp RC-  WDA-L42 (p    3-
155 p) : R=10 , C=68 .      
p     pp,            
p ,     3-6 p  DD30     0.
     ,    p    p  
pp        (CS1FX)      pp
,  p  p p pp      
  5   CSR   p,   p      p   
pp.
     p DD27,DD28   ,  feature  "-
 p"  .
      : p 555    1533  (  ),  p  155
, p DD21,DD22 -    555/1533.    DD21,DD22  p    
555/1533 p  pp RC  (   p,  
, p    :-().     p,
    555,       155 
(  5558),            555  p  
p pp p   "1" (   DD23-DD25).  p
 pp        p  
"+5"     155 p. p  58082  p  -
  p p . p  p 
     555/153322/33,    ,  p  
     (DD11-DD15),      p
p  3-  (555/15335/6).
     p  p  p     "1"
   p  p.
     H     p  p  p  p,
p p   p pp,     RC-  
    .            pp   
p p.

H.  p  p <-> IDE

 p       H         40-pin ""   40-pin ""
H58-64                         #0         #1

A1                      RESET-              1               1
B1                      Ground              2               2
A2                      DD7                 3               3
B2                      DD8                 4               4
A3                      DD6                 5               5
B3                      DD9                 6               6
A4                      DD5                 7               7
B4                      DD10                8               8
A5                      DD4                 9               9
B5                      DD11               10              10
A6                      DD3                11              11
B6                      DD12               12              12
A7                      DD2                13              13
B7                      DD13               14              14
A8                      DD1                15              15
B8                      DD14               16              16
A9                      DD0                17              17
B9                      DD15               18              18
A10                     Ground             19              19
B10                     DMARQ #0           21
A11                     Ground             22              22
B11                     DIOW-              23              23
A12                     Ground             24              24
B12                     DIOR-              25              25
A13                     Ground             26              26
B13                     IORDY              27              27
A14                     DMACK- #0          29
B14                     Ground             30              30
A15                     INTRQ #0           31
B15                     IOCS16-            32              32
A16                     DA1                33              33
B16                     DA0                35              35
A17                     DA2                36              36
B17                     CS1FX- #0          37
A18                     CS3FX- #0          38
B18                     Ground             40              40
A19                     DMACK- #1                          29
B19                     DMARQ- #1                          21
A20                     INTRQ #1                           31
B20                     CS1FX- #1                          37
A21                     CS3FX- #1                          38
B21                     Ground             40              40

    3  4    , 
 -    .
    master/slave    (   ,
   )  2    ;
,    ,  -  -  
     master/slave.

dmitry@digital.dp.ua

