These tables give the basic port and pin information for the
Bondwell 2 laptop computer.  Expansion slot pins are not given
here because schematics are needed to make the information useful.
                                                      5/15/87

PORT PURPOSE                   PORT PURPOSE
---- -----------------------   ---- ----------------------
 00H parallel port A (8255)     30H slot select port       
 01H parallel port B (8255)     40H serial data reg (8251) 
 02H parallel port C (8255)     41H serial control reg     
 03H parallel control reg       50H printer output port    
 10H timer cntr reg 0 (8253)    60H floppy contrlr cmd reg 
 11H timer cntr reg 1 (8253)    61H floppy contrlr trk reg 
 12H timer cntr reg 2 (8253)    62H floppy contrlr sec reg 
 13H timer control reg          63H floppy contrlr data reg
 20H LCD controller data reg    70H internal modem tone sel
 21H LCD controller inst reg


SERIAL PORT PINS      PRINTER PORT PINS (CENTRONIC-LIKE)
-------------------   ----------------------
 1 ground              1 strobe*   10 ground
 2 transmit data*      2 data 0    11 busy
 3 receive data*       3 data 1	   12 ground
 4 request to send     4 data 2    13 ground
 5 clear to send       5 data 3    14 ground
 6 data set ready      6 data 4    15 ground
 7 ground              7 data 5
 8 data carr detect    8 data 6
 9 data term ready     9 data 7
   

DISK DRIVE EXPANSION PORT PINS
------------------------------------------------------------
 1 +12V           8 write data*   14 +12V          20 ground      
 2 + 5V           9 write gate*   15 +12V          21 ground      
 3 + 5V          10 track 00*     16 + 5V          22 ground      
 4 index*        11 write prtct*  17 drive sel 0*  23 ground      
 5 drive sel 1*  12 read data*    18 motor on*     24 ground      
 6 direction     13 side select   19 ready*        25 ground      
 7 step*                       