Epson Equity 386SX PLUS Installation and operation manual
EQUlTY 386SX PLUS
Computer Specifications
CPU and Memory
16-bit CPU
System memory
ROM
Scratch
memory
Math coprocessor
Clock/calendar
80386SX microprocessor, 16 MHz system
clock speed, 16 MHz or simulated 8 MHz
processor speed, selectable through
software
0 wait state memory access speed
UnilawithlMBRAMonsy&emboardare
expandable up to
lOME
using S&I?&
LJni~with2MBRAh4onsyntemboa~are
expandable up to 14MB
u&g
SIMhia
Controllers
Diskette
Hard disk
Interfaces
Monitor
Serial
Parallel
Auxiliary
Keyboard
Option slots
Speaker
SIIvlMsmustbe7Unsaaesaqeed.
Power Supply
Type
128KB
4KB capacity;
Idbit
data bus; 16 MHz
access
with 0
wait
state
Input ranges
Maximum
80387SX
(16
MHz)
support
(optional)
Real-time clock, calendar, and 50-byte
CMOS RAM for
configuration: battery
backup
Supports up to two drives in any of four
formats: 5 ‘/+inch, high-density,
1.2MB;
5 ‘/+inch, double-density, 36OKB;
3 ‘/z-inch.
highdensicy,
1.44MB;
3 ‘/z-inch.
doubledensity, 720KB; controller on main
system board
Supports up to two drives; embedded
controller; interface on main system board
Standard VGA with
256KB
of video
memory; supports up to 800
x
600 pixels
in
16-color
or gray scale mode;
15-pin,
female D-shell connector
RS-232C,
programmable, asynchronous;
9-pin, D-shell connector
Standard 8-bit parallel, mono-directional;
25-pin,
D-shell connector
Mini DIN,
6-pin
connector for
PS/2
compatible mouse or other device
Mini DIN, 6-pin connector for
PS/2
compatible keyboard
Four standard input/output expansion
slots (three
16-bit
ISA compatible and
one 8-bit ISA compatible); 8 MHz bus
speed
Internal; operation controllable by
software
14OW,
fan-cooled, automatic input voltage
sensing
98 to 132 VAC and 195 to 264 VAC
+SVDCat
18Amps,
+12VDCat
4.2
Amps, outputs
-12
VDC
at 03
Amp.
-5
VDC
at
03 Amps
Equity Series Computers
6/15/90
386sx PLUS-1
EQUlTY 386SX PLUS
Mass Storage
Standard
Standard
Optional
Optional
Optional
Optional
Optional
Optional
Keyboard
Layout
Function
Three half-height drives maximum
(one 3 ‘/z-inch vertical mount and two
5
‘/4-inch
horizontal mounts)
5 ‘/cinch diskette drive,
1.2MB
(highdensity)
storage capacity
3
‘/z-inch
diskette drive,
1.44MB
(high-density) storage capacity
5 ‘/+inch diskette drive,
1.2MB
(highdensity) storage capacity
3
r/s-inch
diskette drive,
1.44MB
(highdensity)
storage capacity
5
‘/+inch
diskette drive, 360KB
(doubledensity) storage capacity
3 ‘h-inch diskette drive, 720KB
(double-density) storage capacity
3 ‘/z-inch hard disk drive, 40MB storage
capacity
3 ‘/z-inch hard disk drive,
1OOMB
storage
capacity
Detachable, two position, 101 sculpted
keys
58-key
QWERTY main keyboard;
ll-key
numeric/cursor pad; 10 cursor keys;
additional
,-key
cursor pad; 16 function
keys (user -definable)
Four levels (normal,
shift,
control,
alternate); user-definable
Environmental Requirements
Temperature Operating range:
41°t09S0F
(5”
to35”C)
Non-operating range: -4” to 140” F
f-204 to 50” C)
Storage range: -40” to 140” F
(-40”
Lo
60” C)
Humidity
operating
range:
20% to 80%
non-condensing
Non-operating range: 10% to 90%
non-condensing
Storage range:
5% to 95%
non-condensing
Altitude Operating range: -330 ft to 9900
ft
f-100 m to
3000
m)
Non-operating range: -330 ft to 11880
ft
(-100 m to 3300
m)
Storage range:
-330 ft to 39600 ft
(-100 m to 12000
m)
Physical Characteristics
Width
14.75 inches (375 mm)
fiP&
Height
Weight
(without
keyboard)
17.5 inches (444 mm)
5.9 inches (150 mm)
Single diskette drive model:
20.75 lb (9.4 kg,
Hard disk drive model:
22.25 lb (10.1 kg)
1
Connector Pin Assignments
1
Parallel Port Connector
Pin 13
Pin
1
Pln 25
Pin
11
17
1
DATA5
I
*
Active Low Logic
366sx PLUS-2
6/15/90
Equity Series Computers
EQUlTY 386sx PLUS
Parallel Port Connector
Mouse Connector
p’nw
P’n5
I
ISUSY
11
120
I
SIGNAL GND
I
Pln
4
Ptn2
r”\
Pin
1
12
PE
21
SffiNALGND
13
SELECT 22 SIGNAL
GND
14
AUTO’
23
SGNAL GND
15
ERROR- 24 SIGNAL GND
16
INP
25 SIGNAL GND
J
Serial Port Connector
I5
I
Mouse
cbck
-1
6Resewed
Note:
Although the keyboard and mouse
COMeCbrs
am
physically
identical, they cannot be used interchangeably.
t
I1
1
DataCarrterDetect
16 IDataSetReadu
I
Receive
Data
7
Requesl
To
send
Transmil
Data
8Clear
To
Send
DataTemMal
Ready
9
Ri
lndirxtor
VGA Connector
5
notUsed
Keyboard Connector
Pln
4
Pln 2
)u\
Plnl
2
Green
Vkiso 10
sync
Return
3
BllJeVkbO
11
RWn/ed
4
Lhllsed
12
RWtVd
18
1
Red Return
I I
14
Verlical
sync
I
1
Keyboard Data
2Resewed 7GreenRetum
15
UflLiHd
8
Bb
Return
I3
1
Ground
I
Equity Series Computers
6/15/90
386SX PLUS-3
EQUITY 386sx PLUS
DMA Channels
1
Jumpers
]
12 3 4 s
6
A
l
Enabloathepower~npasword
0
Dbabbethepuwer~paMword
A
l
Enables builtin HD
interfaa~
B
Dbabla
built-h HD interface
A
l
Enabba
buittin
mouse
umnector
8
Dbabhs
built-in
rnouao
connector
A
l
Cobrrmnitorbinstaibd
B
khochronw
rnonltor
binstalled
A
l NomulI/0challnolrwtysignal
B
OtWW&t~8ddOdtOI/OChUlMl
nwfydgnr;l
A
l
EnabbebulttinW3Aadapter
B
l3bebh
built-in
Wu
adaptor
hosory-ngr
386sx PLUS-4
6/15/90
CHANNEL
O(cTRL1)
1
(CTRLl)
2(=1)
S(cTFlL1)
4
(CTRL
2)
5
(mu
2)
8
(CTRL
2)
7
(CTRL
2)
SDLC
Flopw
disk
driva
controlbr
CMCadOfOrCTRll
Hardware Interrupts
cllR1crlR2
FUNCTION
IRCX
IRQl
IRo2
IRo3
IRo4
IRCX
IRQ6
IRo7
IRQ6
IRoe
IRQlO
IRQll
IRo12
IRQ13
IRQ14
IRO16
TlIllSWOUlpUtO
Interrupt from Controller 2
sefiaiport2
-part1
FwalblpoR2
Floppy
dbk
intern@
PM&lpOltl
RTC
inlwupl
sothnnndi~tolIRo2
Equity Series Computers
EQUITY 386SX PLUS
I/O Port Addresses
Mdreu
FUItClh
00041F
DMA
Qmtroller
1
02CuEl
lnter~pt Controller1
04#!5F Timer/Counter
06046F Keyboard Controller (8042)
070-07F
RTC,
NMI Mask
b@tor
DBO49F
DMA
Page
Fbgister,
MFG Port
OM-OBF
Intem~pt
Cwtroller
2
(S259A
compat)
OCQ-ODF
DMA
Controller 2
(S237A45
compat)
OF0
Clear NPX Busy
(80387SXj
OF1
Rmet
NPX
(80387SX)
OFS-OFF
NPX(SO387SXj
17@178 Hard
D&k
Cwtrolkr
-
Secondary
160-l
B!5
Configuration
Pagisters
1BF
ConfigurationRq$stw Unlock
Port
1
lFO-lF7
Hard Disk Controller Primary
200-207 Game’/0
27E27F
Printer Port 2
(276
and 27F are unused)
276
Configuration Register Unlock Port
1
2F&2FF
Serb’
Port 2
3W41F
PmbtypeCard
37(X377
floppy
Msk
Drhrs
Controller Secondary
37S-37F
Pamllel
Printer
M
l(37B
and
37F
are unused)
378
conflgurauon
Fbgister
Llnlook
Port 2
3KMSF
SDLC,
Bisynchronour
Communication 2
3bMAF
Sisynchronous
Communicetion
1
3BWBF
Monochrome Display and
Rinter
Adapter
3C0-3DF
Color/Graphics Monitor Adapter
3FO4F7
Floppy Disk Controller Primary
3FS4FF
Serial
Port
1
SIMM Installation
Looking
at the sockets vertically, they are
numbered as
shown below.
1L
2L
3L4L
5L6LlH2H3H4HSH
6
The following table shows all the possible SIMM configurations
for the Equity 386SX PLUS. Do not install
SlMMs
in any
configuration other than one of the types shown in this table.
SAtMwn~rfaalhiBs)atrm
Sank number Bank number
123456 123456
Socket number
So&et
numkr
1L
2L 3L
4
SL
6L
1H
2H
3H
4H
5H
6H
KK----
KK----
KKM--- KKM---
KKMM-- KKMM--
KKMMM- KKMMM-
KKMMMM KKMMMM
K
=
256KS SIMM
installed
M
=
1MB
SIMM
~nstallad
-
=
no SIMM
hstahd
Total
mmory
2M8
4MB
6M8
BMB
1oMB
Bank number 6ank
numbu
123456 123456
Socket number
6fzcket
numbsf
TOW
1L
2L
3L
4L
5L
a
1H
2H
3H
4H
SH
St4
m@mry
--M---
-
-
M
-
-
-4w
--MM-- --MM--
sM0
--MMM- --MMM-
am
--MMMM --MMMM
loME
M-MMMM M-MMMM
12M0
MMMMMY MMMMMM
14M0
-
=NnstMMtl-&asad
M
=1M66lMMn4t8!&d
Equity Series Computers
6/15/90
386sx PLUS-6
EQUITY 386SX PLUS
Installation / Support Tips
Power
The Equity 386SX PLUS has a power supply that is switchable
betwon 115
V,
for U.S. and Canadian
use,
and
230
V, for
u80
in
other
awltrles.
Thon
b
no manual switch,
aa
the power supply
ir
autoaonsing.
hard disk access light diskette drive
I
diskette
release
htch power button
I
TURBO
speed
light
I
&wor
light
RESET button hard disk or diskette drive
slot
power inbt option card
sbts
koyboudcabbaocket
Mouse and Keyboard
#on
attaching the
mouse
and keyboard
connacton,
M
careful to attach
thorn
to the proper
connector8.
Though
thy
am
plwkally
identical, they am not
irwchangubb.
Installing Floppy Disk Drives
When
installing a floppy dbk
ddvo
aa
driw
B,
mrnamkr
to
setthedrivewbctjumpertotheseanxlpositbnand
at&h
the pass-through connector on the floppy drhn
controller cable
TV
the
drive, not
tha
and
axwuor.
-
I~d~d~nothrnction~ly,nuk,urnthrttho
drive
type
ha8
been
cormcUy
sebcted
in
SIXUP.
Aho
checkthatanyspecialdrtvemthatmayknocwaryha~
been
instatbd
axmctty.
Installing Hard Disk Drives
-
It
b
recommendad
that a 16-bit AT-type hard disk
controller
~u~intheEquity388SXPUIS,tywurinrtrllinga
drivethatcannotmakeusaotthaitWnalharddirk
controller.
Also
nmomkr
to disable
tha
onboard
hard
dbk
controibr
when
inatailing
8uch
a
drive.
-
If
you
are
having
diilty
in
fomwtUng
the
hard disk
drlvo,
trystartingovoru&htheUnconditiofutFurrnat0ptionin
dlagnastics.
Setup
When
installing a hard
disk
drtva,
k
sure to conwtt
thr
drtvat)qmtabiwforthadrlvetypewhichfitsthodtiveyw
are
inatatiing.
tt
thom
is no match for
your
driva,
we
the
LberDefineddriveoption.
Adding Memory Modules
SlMhb must be
7Chw.
EQ386SX PLUS-6
6/15/90
Equity Series Computers
EQUITY 386SX PLUS
Software Problems
Whan
lnatalling
a
abpy-pmbobd
8oRwar8
padtag
on
ttm
Equity
366SX
Aur,
flrat
try
6~
in8tallaUon
at
16MHz.
If
thir
dooanotworkpropwty,tryswitchingto8Ml-kforthm
in8taMon.
tfyouamstill~~nahtoloadtheprogmmat
16MH2,
try loading at 8MHz and then
8witohing
to
16Mttz.
Wbnuringasofhuampa&agethatuwraksydiskutt’~
copy-protection
method,
try
kxding
it at
16Ml-t~.
If
this
doaa
not
work,
l
ablo
the
&to
Spaod
option
in
SETUP.
Power-on Password
hbkeaumthatyoudonotfacgotthoPower~nPasawwd
shouldyousotorwup.
W~do,itwillknocenaryto
diaablo
It
by moving jumper
Jl
on
the
main circuit
bawd
to
the
0
position.
Equity Series Computers
6/15/90
EQ386SX PLUS-7
EQUlTY 386SX PLUS
Hard Disk Drive Types
1W
lop1
lpn
u
lpn
ns
eo
m
l(P(
w
w
w
w
1W
w
w
w
a0
7%
76
ma6
w
4
5
1
7
5
7
5
4
4
4
4
I
5
4
4
I
5
63
m
lCQ3
u
w
W
W
l&1
W
W
W
w9
Tls
74l
&a
I
Ala
386SX PLUS-8
6/15/90
Equity Series Computers
EQUITY 386SX PLUS
Information Reference List
Engineering Change Notices
Nonr.
Technical Information Bulletins
Non..
Product Support Bulletins
Nona.
Related Documentation
TMEQ386SX PLUS Equity
3msx
Plus
safviu
Manual
M-PL-EO386SX
PLUS
EqUiQf3&X%PlU8F+Ut8~
Y7O6SQlO&
Equity
386sx
Au8
Lbu’s
Guida
f
Equity Series Computers
6/15/90
EQ386SX PLUS-9
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