Epson Equity 386/20 Product Information Guide
Epson Equity 386/20 Manual
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- Epson Equity 386/20 | Product Information Guide - Page 1
EQUITY 386/20 ksy ,lock huddlsk indicator light I T- 20 chips. socketai One mid (9 pins, D - shell) One psmlbl (25 pins, D - shell) one vdeo adapmf One FDO connectcw (up to 2 FOOs supported) Two HDD connectors ESDI ST508 5.25-inch 1.2 MS for # A 3.5 - inch 1 .U MB/720 KB. 5.25' 360 KB for # 8 5.25 - Epson Equity 386/20 | Product Information Guide - Page 2
EQUITY 386/20 Connector Pin Assignments Parallel Port Connector J3 P/N No. 1 2 3 4 5 6 7 98 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 SIGML NAME - STROBE DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 (B 4x256)(8 4xYMB Bank3 4 x 256KE 4 I 256KB 4XlMB EQ386/20-2 9/22/89 Equity Series Computers - Epson Equity 386/20 | Product Information Guide - Page 3
EQUITY 366/20 lumper Function I 2 3 4 5 6 7 8 9 10 4 A 3 A 4 B 3 B A A A A B B 177 Hard Disk Controller - Secondary 1FO - lF7 Hard Disk Controller - Primary 200-207 G a m e P o r t 278 -27F Parallel Port Controller 3F8-3FF Serial Port 1 Equity Series Computers 4/3/89 The keylock on the - Epson Equity 386/20 | Product Information Guide - Page 4
EQUITY 386/20 DMA Channels C%annel Function 0 Spare 1 Spare 2 floppy disk transfers 3 Spare (hard disk drive) 4 Cascade of data from 1 RTC interrupt Redirected to INTOAH Reserved Reserved Reserved Coprocessor Hard disk controller Reserved EQ386/20 - 4 4/3/89 Equity Series Computers - Epson Equity 386/20 | Product Information Guide - Page 5
Installation/Support Tips EQUITY 386/20 --- lf you are having difficulty in formatting the hard disk drive, try starting over with the Unconditional Format option in diagnostics. The Equity 386/20 has a power supply that is switchable between 145 V, for USA and Canadian use, and 230 V, for USE - Epson Equity 386/20 | Product Information Guide - Page 6
EQUITY 386/20 Software Problems --- When installing a copy- protected software package on the Equity 386/20, first try the installation at 20 MHz. If this does not work properly, try switching to 8 MHz for the installation. lf you are still unable to load the program at 20 MHz, try loading at 8 - Epson Equity 386/20 | Product Information Guide - Page 7
I 733 23 ST58 306 24 ST506 612 25 ST506 306 26 ST326 612 27 ST506 6% 28 ST5c6 9'6 29 ST506 306 30 ST506 6'1 3' ST 5% 732 32 ST506 1023 33 34 35 I I 36 37 I 38 '58 3 ToshibaMK56FB 1024 '65 SeagaleST4O9f 528 362 Tortma MK'54F EQUITY 386/20 Equity Series Computers 4/3/89 EQ386 - Epson Equity 386/20 | Product Information Guide - Page 8
M-TM-EQ366 M-PM-E0366 M-PL-EQ366 Y16499100100 4/l/89 3/23/6g Equity 366/20 MSDOS 3.3 Manual Equity 366120 GW-BASIC Manual Equity 366/2O Technical Manual Equity 366/20 Technical Reference Manual Equity 386/20 Parts List Equity 366120 User's Guide EQ386/20-8 9/22/89 Equity Series Computers
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EQUITY 386/20
huddlsk
indicator
light
I
ksy
lock
,
k
disk
IOI
contml
kn&
switch
drive slot
I
1
1
Computer Specifications
1
I
CPU
CPU
ckxk
I
W3%-20.
PGA
(132 pins), socketed
20 MHz (0
wait
states)
/
6
MHz
(1 wait state);
witchable
on-the
Hy:
sdtwam
-
conWolkd
swttch
Bus
spd
6 MHz
fad
DMACkCk
4 MHz fixed
NPX
60367
-
20. PGA
(68
pins). socket only
NPX Speed
20
MHz
fixed
DRAM
1 MB minimum. 16
MB
maximum
on
the
memow
board
BIOS
heumce
Two
272%
-
20 chips.
socketai
One
mid
(9 pins,
D
-
shell)
One
psmlbl
(25 pins,
D
-
shell)
one
vdeo
adapmf
One
FDO
connectcw
(up to 2
FOOs
supported)
Two
HDD
connectors
ESDI
ST508
FDO
5.25-inch
1.2 MS
for
#
A
3.5
-
inch 1
.U
MB/720
KB. 5.25’ 360 KB for
#
8
HDO
5.25-Inch
half-height
or
full-heighl
SO
MB.
ESDI.
1
:I
Interteave
40
MB,
ST506.
1
:l
inttive
KeVboard
101 -key enhanced
keyboard
Lock
On!hhJlltpSnel
Switches
Reset
Clock speed select (20
MHz/6
MHz)
Monitor select
(cdor/monochrome)
VOkJflW
Audii
speaker
volume control
ORAM
Expansion
On the
mein
wntrol
bonrd
16 SIMM
socketa
ApPlkaMe
to both
[256xtxSI
and
[lMxtxSI
P-supp)y
Input
115 VAC
230 VAC
Frequcmcy
Pcww
Consumption 115 VAC
230 VAC
Surge
Cunemi
Min.
92 V
Max. 4 A
Max
132 V
Min. 1% V
Max. 2.5 A
Max.
265 V
49
-
61
HZ
Approxmately
60
W
Appralamat.ely
60
w
42 A 0
-
P (0.5 second
more)
I-
SwenQlh
115 VAC
230 VAC
AC
t
.%
kV
(1 min.) (AC
-
FG. AC
-
seconds)
AC 1.25
kV
(1 min.) (AC
-
FG)
AC 3.75
kV
(1 min.) (AC
-
secoaby)
Insulelion
Raircurco
25M
ohm
mm
(500
VDC) (AC
-
FG. AC
-
secondary)
1
M
ohm more (250 VDC) (SG
-
FG)
WERNING
NoN-~nru3
T-
41
l
F to
%‘F
-4-F
to
14O.F
5’c
to
35’c
-2o’c
to
60-c
Hwidhy
(non-
conch&g)
zo%tow%
10%
tQ
so%
Muhurm
wel
&lb
ad-
@%mJ-
VibMCtl
0.2 G
1 G (no HOD)
0.5 G (HDD)
0.5 G (HDD)
Shock
(no
HDD)
$9
then 10
t-m)
30
(lees
than
10
Ins)
Shock (HDD) 1 G
(<
25
nwn
o-w Hz)
tF,
mm o-w Hz)
AhtIude
(HDD)
0
to
3.000
m
ASL
-300
lo
3.600
m
ASL
ST-
-40’F to
14O.F
-4o’c to
6o’C
*dw-
3 G (no
HDO)
(lees
then 10 me)
300
(c
25 mm O-W Hz)
-300
to 3.600
m
ASL
CPU
speed
SWWh
There are no DIP switches on the Equity
M/20.
However,
there is a MONITOR SELECT switch, a CPU SPEED switch
and a VOLUME CONTROL on the front of the unit in the
lower left-hand corner.
Monitor
select
Color, composite, EGA, and VGA monitors
The CPU SPEED switch selects between 8 MHz and
20
MHz.
When the computer is running at 8 MM the power light is
red and at
20
MHz
the light is green.
The VOLUME CONTROL controls the internal speaker’s
loudness. Turn it to the right to increase the volume and to
the
left
to decrease the volume.
Equity Series Computers
413189
EQ386/20 - 1