Epson 4+ Manuel D’Utilisation

EPSON Equity 4+

pin 

pin 25

pin 2

 pin 26

‘Active low 

 clock 

 

 

 t mask

OAO   OBF
OCO   ODF

OF1
OF8   OFF

 

 controller 

Clear math coprocessor busy

 

 

 

Reset math coprocessor
Math coprocessor

   

200   207

 

I Game 

278 27F

2DF

 and 

2FF

360   363

378 37F
380 38F
390 393

Parallel printer port 2

Alternate enhanced graphics adapter

 (adapter 0)

Parallel printer port 1

Data acquisition (adapter 0)
Serial port 2
Prototype 

 PC network (low address)

SDLC, bisynchronous

1 PC network (high address)

2

Cluster

 (adapter 4)

 

 (adapter 5)

 (adapter 6)
 (adapter 7)

 addresses hex 000 to OFF are reserved for the system board 

Hex 100 to 3FF are available on the system channel.