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
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lpn
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lpn
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m
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w
w
w
w
1W
w
w
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7
5
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5
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w9
Tls
74l
&a
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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