Message-ID: <6021@brl-tgr.ARPA>
Date: Thu, 22-Nov-84 04:53:31 EST
Article-I.D.: brl-tgr.6021
Posted: Thu Nov 22 04:53:31 1984
Date-Received: Sat, 24-Nov-84 01:55:32 EST
Sender: news@brl-tgr.ARPA
Organization: Ballistic Research Lab
Lines: 28
Ron, the following diagram should allow you to connect the OSBORNE EXECUTIVE'S
IEEE-488 port to a CENTRONICS port:
IEEE-488 CENTRONICS
1 ------- DATA0 (LSB) -----> 2
2 ------- DATA1 -----------> 3
3 ------- DATA2 -----------> 4
4 ------- DATA3 -----------> 5
13 ------- DATA4 -----------> 6
14 ------- DATA5 -----------> 7
15 ------- DATA6 (MSB)------> 8
16 ------- DATA7 (PAR) -----> 9
6 ------- STROBE* ---------> 1
12 ------- GROUND ----------> 19
8 <------ BUSY ------------- 11
NOTE: STROBE IS NORMALLY NEGATIVE GOING PULSE.
BUSY LINE IS HIGH WHEN PRINTER IS BUSY. THERE ARE PULLUP
RESISTORS ON THE IEEE-488 WHICH PULL THIS LINE HIGH IF THE CABLE IS
UNPLUGGED OR IS WIRED INCORRECTLY.
GOOD LUCK AND LET ME KNOW HOW IT TURNS OUT. I STILL HAVE TO REWIRE MY CABLE
AS I TOO USED THE DIAGRAM ON PAGE 445 IN THE SYSTEM REFERENCE MANUAL. WE
"BOTH" KNOW THAT IS OUT TO LUNCH.
Jesse (all for better, more correctter documintasion) Eaton.HFED@HI-MULTICS