EQUITY 386SX

1 Switch Settings 1

Serial Port Connector

CPU SPEED Mck

There are no DIP switches on the Equity 388!X However, there is a CPU SPEED switch on the front of the unit in the lower left hand corner.

The CPU SPEED switoh selects between BMHz and 16MHt. When the computer is running at 8MH2, the power light is orange, and at 16MHz, the light is green.

1

CDC

I

DalaeanlardMwt

2

SIN

I

Raoeta dam

3

sour

0

flalwmltdnm

4

DTR

0

Dammmlkmifasdy

5

&

 

s-ground

6

 

 

maeetmdy

7

RTS

b

Requeettosalnl

6

CT9

I

aarlosald

9

RI

I

Rhlg Indhmr

 

 

 

 

Keyboard Connector
Connector Pin Assignments

1

 

PIN NUMBER

8lGNAl

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parallel Port Connector

 

 

 

 

 

 

1

 

aook

 

 

 

 

 

 

 

2

 

Dam

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

N.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

GmlSld

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

+s VDC

 

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GlUU”d

 

0

0

0

0

0

0

0

0

0

0

0

 

0

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

0

0

0

0

0

0

0

 

0

0

0

0

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fWNUL(BER

8lGNUNAME

DfREcTloN

DEscR1PlloN

1

 

- STROBE

0

Prhtw

SIrcbe

2

 

DATA0

:

m&O

 

 

3

 

DATA1

 

Data 1

 

 

4

 

DATA2

:

Data 2

 

 

5

 

DATA3

 

Data3

 

 

6

 

DATA4

0

Dal64

 

 

7

 

DATA5

0

Dam 5

 

 

5

 

DATA6

:

Dams

 

 

9

 

DATA7

 

Dam 7

 

 

10

 

-ACU

I

Printer acknav(edge

11

 

BUSY

I

Prklm

bu3y

12

 

PE

I

P~fltaf

paper empty

13

 

SLCT

 

Pfhter select

14

 

AUTOFD

b

AUlOhdXT

15

 

- ERROR

I

Prhtw

error

16

 

- INIT

I

Printer

lnitlaiize

17

 

- SLCTIN

I

Prhtersaleclin

18-25

SG

 

slgnd

gmund

F G

FG

 

Frame

around

 

 

 

 

 

 

 

Mouse Connector

6ACK PANEL

1 Sk02

Ym 3

 

 

 

 

0

4

 

 

 

 

 

 

 

 

 

PIN NUMBER SIGNAL NAME

DIRECTION

DESCRIPTION

 

 

 

 

 

 

 

 

 

 

 

 

1

MSCLK

0

Mouse cbck

 

 

 

 

2

MSGND

 

Mouse siglal

!pufKl

 

 

3

MSDATA

I

Mouse data

 

 

 

 

4

MSVCC

 

Mouse pcwer

(+5

VDC)

 

 

 

 

 

 

 

 

 

EQ386SX-2

Equity Series Computers