Epson Equity 386/25 PLUS Installation and operation manual

EQUITY 386/25 PLUS
Controller
Diskette
Hard disk
Suppon,uptotwdrivainanyoffcur
formao: 5’/+-inch, high-densicy. l.ZMB;
5%inch, doubledensity, 36OKB;
3 ‘/a-inch, high-density, 1.44MB; or
3%inch, doubledensity, 72OKB;
controller on main system board
Supports up to two drives; cmbcddcd
conuolla; int& on main system board
Interface
Monitor
RESET buttal
harddldaa
di&alWdrivrby
7
Computer Specifications
said
VGA ztdapta with 1 MB of video memory
built into main system board; non-
intal;wed mode only; suppom up to
KU x 600 a 1024 x 768 pixels in 16-colon
or up m 640 x 480 pixels in 256colors
multi-frequency monitor rquinxl br
raohJtionsovfzr64ox4ao
15-pin. D-shell connector
~~-232~ programmable, asynchron~;
9.ph hhdl ax-tnccmr
CPU and Memory
32-bit CPU
Parallel Standard 8-bit parallel. mono-directional;
250pin, D-shell rxmncctor
System memory
ROM
Shadow RAM
Mach coprocessor
Clock/calendar
Cache controller
Cache RAM
80386 micropnxusor, 25 MHz system
clock speed, 25 MHz or simulated 8 MHz
procaaor speed, selectable through
software or keyboard command
0 wait state memory access speed at
25 MHz
ZMB RAM standard on SIMMs; base
memory of eithex 256KB. 5 1 ZKB, or
64OKB. sclccxable through jumpers
Memory expandable using 256KB or
1MB SIMMs up to 16MB (maximum);
SlMMs must bc 7011s access speed
128KB (in&da system BIOS and VGA
BIOS)
0 wait state access speed; automaclcally
copia both ROM BIOS and video ROM
inmRAM
80387 (25 MHz) or Weitek 3 167
(25 MHz) support; both may be used when
a Weitek dual coprocessor adapter is
installed to provide an additional socket
(optional)
Real-time clock, calendar, and
50-byte CMOS RAM for configuration;
battery backup
82385 (25MHz) standard
32KB high-speed static R4M
Auxiliary Mini DIN, 6-pin connccmr br PS/2
compatible mouse or other &vice
Keyboard
Option Slots
Fan standad input/output expansion skxs
&rcc &bit ISA compatible and one
&bit ISA cmnpatibk); 8 MHz bw speed
Speaker Internal;
opera&n controllabk by
Power Supply
TVP
14OW. fan-cooled, automatic input voltage
w
Input ranga 98 m 132 VACand 195 m 264 VAC
Maximum outputs
+5VDCat18Amps,+12VDCat
4.2 Amp
-12 VEC at 03 Amp. -5 VDC at
03 Amps
Mass Storage
Up m three half-height drive maximum
(one vertical mount and cw~ horizontal
moud configurable using any of the
following drive typcx
Diskette drives
5%inch diskette drive, 1.2MB
(high-dauity) storage capacity
Equity Series Computers
11/15/90 386/25 PLUS-1

EQUITY 386/25 PLUS
Hard disk drives
Keyboard
Layout
Function
3’/z-mch diskette drive. 1.44MB
(highdensiv) storage capacxy
S’/~inch diskette drive. 36oKB
(double-density) storage capacity
3’/&1ch diskette drive, 720KB
(double-density) storage capacity
3’/xnch form factor hard disk drive(s):
up to half-height sue; first drive mounted
vertically, second mounted hotintally
Detachable, two position. 101 sculpted
keys
58-key QWERTY main keyboard;
17-key numeric&or pad; 10 cuMr kq;
additional 4-key cursor pad; 16 function
keys (user-definable)
Four levels (normal. shift, conuoi,
alternate); userdefinable
Environmental Requirements
Opeming
Nonaperating
StOra(p
condaiin
rang0 range range
Temperature
410 to 95’ F
4.10 1WF -Wfo 14VF
(50 10 3s C) (-20’ to
w C) (-40. to 60. C)
Humidity 20% to 00% 1o%lowx
5% to 95%
(non-
condensing)
I Allnude
-33lro99cofl
-33oto1186ott -3ato396oott
(-lCO103COlm) (-100fo36CfIm) (-1WfolXOOm)
I
Maximum
68” F104’
F
134O F
wet bulb
w Cl (40’
C)
(57’ C)
Physical Characteristics
Width
15 incha (374 mm)
@Ph
16.75 incha (419 mm)
Height
6 inches (151 mm)
Weight
Single diskette drive model:
(without
20.75 lb (9.4 kgs)
keyboard)
Connector Pin Assignments
Parallel Port Connector
Pin 13 Phi
Pin 25
Pin 14
9
1 DATA 7
18
j SIGNAL GND
j 19 1 SIGNALGND
I I
20 SIGNAL GND
I
21 / SIGNAL GND
I
Serial Port Connector
2
Receive Data 7
Request To send
I 3
Transmit Data
0
Clear To send
4 1 DataTerminal
AeaUy 9
1
1 RIFJ indicator
5 not used
386/25 PLUS-2
11/15/!30 Equity Series Computers

EQUITY 386/25 PLUS
Keyboard and Mouse Connector
m
Ptn+ ql--Pin 3
Pin 2’
’ Pin 1
~M~~ugii the keyboard and moun connectara am phykall~
identical, they culpot k ued hhrchmesably.
Keyboud Connoctof
IS lKeyboardCkck
I
6Resefved
Mouse Connector
I/O Port Addme8u
F-
oooOlF
02OJRl
07W7F
OPnoBF
OF0
OF1
OF0OFF
17G178
16GlB6
1BF
lfSlF7
2oG207
27s27F
276
2FWFF
300-31F
37oa7
37-F
378
3eQaF
3m3oF
3FoaF7
3F8iSF
DMA Controller 1
hletnlplconlrolbr 1
TifTlOf/CWltOf
Keybod Cf.Mollr (W42)
Real-Tlmr Clock NMI Mark Fbgrstsr
DIM Pqp RsgiMmr, MM Fort
lntrnvpt Controllr 2 (82SQkompntibb)
DM4 Controlhr 2 (6237A45uxnpatlblo)
awNmBu8y(81#81)
-NmWW
NIJX (ewsl)
HWdDl8kcOfttJYBllWsIconduy
Configumtlon Fbgistua
Configurttlon Fbgbier Unlock Port 1
Hard Dbk contmlbr Wmuy
Game l/O
Printar Port 2 (276 and 27F M unused)
Conflgumtbn Flrglstor Unlock Port
swidFbrt2
Rot0typr-d
Floppy Dbk Ddve contJoller SIcondary
panllel Prlntw Port l(37B and 37F are unused)
Cimfiguralbn Regbtu Unlock Port2
SDLC, Birynchronour Communlcath 2
BisyncfttonousCommuniatlon 1
MonochromeDlrpkyandPtlnler~
color/GmphbMorlitorwaptu
FDD c0ntrdl.r Primary
.%alhftl
Hardware Interrupt
VGA Connector
1 Red video
9
Key
I2 I
Green Video
I I
10 Sync Return
I
I3 I
Blue video
1
11
1 Resewed
I
I4 I unused
12
iR
esefved
,
CTLRlClLR2
FUNCTION
Roe
Timer Output 0
IROl
fQJyboard
IRO2
Interrupt from Controller 2
IRW
serhlpoft2
IF404
SBfhlpOftl
lRO5
Pafallel port 2
IF!06
Floppy disk interrupt
IF07 Parallel port 1
IFIOS
RTC intermpt
IROQ Soflwaro
redirected to IRQ2
IRQlO bsecvsd
Roll !haelved
IRo12 Mouw,
pointing device
IRa13
COP-
IRa14
Hard disk controller
IFto Resewed
Equity Series Computers
11/15/90 386/25 PLUS-3

EQUITY 386/25 PLUS
There am jumpers on the Equity 386125 PLUS main board
(sos Illustrati0n for lccation). These jumpers sot options for
memory, EPROM size, monitor type, et0
12345678
A
B* A
A*
A B
B B
B B 0 B B
0A B B B*
BABBA
BABAA
A B B B B
A B B A B
A A B B B
AABBA
BAAAA
AABAA
AAABA
A A A A A
EnabbE early l/O ready
Seta normal I/O ready
64OKB Base Memory
512KB Sass Memory
256KB Base Memory
1 MB Total Memory
2MB Total Memory
3MB Total Memory
4MB Total Memory (a)
4MB Total Memory (II)
6MB Total Memory
8MB Total Memory
9MB Total Memory
1OMB Total Memory (c)
1OMB Total Memory (d)
12MB Total Memory
16MB Total Memory
* Factory Setting
(a) configured using 266KS SlMMs in all banks
(b) contigursd using four 1 MB SIMMs in bank 0
(c) configured using eight 266KB SlMMs in banks 0 and 1
and eight 1 MB SlMMs in banks 2 and 3
(d) configured using eight 1 MB SIMMs in banks 0 and 1
and eight 2!56KB SlMMs in banks 2 and 3
Jumper Number Fundon Desorlptlon
Jumper Number
10
11 12 13 14
A*
B
A
B’
A*
6
A
BY
A*
B
Factory Senings
Function Description
Enables built-in mouss port
Disables built-in mouss port
Enables mouse port on an option
Disables mouse port on an option
Color monitor installed
Monochrome monitor installed
Disables poweron password
Enables poweron password
Enables built-in VGA adapter
Disablss built-in VGA adapter
1
JP2
JP3
JP4
JP5
JP6
JP7
JP13
JP14
A jumper’s setting is dctamined by where the jumper is placed
on the pins. The jumper either CoMQtO pin A and the middle
pin (position A) or connects pin B and the middle pin (position
B), as shown below.
SIMM lnstallation
I
bank 0
bank 1
bank 2 bank 3
Notrx Jumpr J9 is not used.
386/25 PLUS-4
11/15/90
Equity Series Computers

EQUlTY 386/25 PLUS
SIMM configuration for the the 386/25 PLUS
Hard Disk Drive Type
IMMMMIYMMMIMMMMIMMMMI~~MB I
K
II 25eKBSlMMimtdkd
M -1MBsIwnrtJld
- * NoslMMt4xtdsd
DMA Channels
I-
Fwrctkn
O(cTRLl) SPM
l(cTRL1) SOLC
2(CTRLl) RopWdldcdtivocontrolkr
3PRl) SC-
4(cTRL2) CaaadOfor~l
5taa w
6Vm2) Span
7vm2) span
-
mno.
-
m
m
01
PI
04
06
m
W
a
09
10
11
12
11
14
15
16
17
10
16
a,
n
21
23
24
25
1
27
2)
B
36
31
P
MO
41
P
43
44
4s
46
47
46
4
YI
51
52
53
s4
0
Y
57
Y
59
ID
6l
Q
Q
6cw
-
a
-
01 4
ns 4
6s
I
640
6
MO
6
as
4
w 6
7% 5
ODD
15
m 3
w 5
m 7
3%
6
7% 7
6l2
m
w?
cm4
m
7%
131
0)
612
II
6l2
m6
676
OI
a1
7%
((0
4
5
7
7
5
7
1
4
4
4
4
?
6
4
4
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I
1022 5
iw 5
1W
6
81
10
la?4 5
6s 6
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6%
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9
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17
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17
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17
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34
36
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m
31
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34
34
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0
a
17
11
-
-
ran*
-
126
1ID
m
512
512
2%
-
-
-
-
-
1%
-
0
m
-
512
w
m
00
0
3s
-
-
%o
Y
a
30
3m
-
-
512
6!2
1%
-
-
-
-
-
-
-
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G
8*
-
%
nr
6tS
646
#
6%
611
7%
ml
Qn
m
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IL)
on
w7
Ims
7%
7%
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w
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3a
w
7%
677
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546
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P4
Q6
PI
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a4
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ou
K6
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163l
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a3
I124
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tm
a.5
0
a
-
Equity Series Computers
11/15/90
386/25 PLUS-5

EQUITY 386/25 PLUS
Installation/Support Tips
Power
The Equity 366/25 PLUS has a pcrwar supply that is
switchable Wn 115 V, for U.S. and Canadian use,
and 230 V, for usa in other cuuntries. There in no manual
switch, as tie power supply is autosensing.
I
Mouse and Keyboard
When attaching the mouse and keyboard
connectors, be careful to attach them to the
proper connectors. Though they ara
physically identical, they are not
interchangeable.
Installing Floppy Disk Drives
When installing a floppy disk drhre as drfva B,
remember to s& the drtve sefeu jumper to the
secdndposittonandatta&thepaas-thrwgh
conn&or on the fbppy drfve cdntmller cable
to the drive, not the and conned&r.
If the drhre does not fun&on normally, make
surethatthedrivatypehasbeenoorreo@
selected in SETUP. AJso chedk that any
special drivers that may be nw hava
been installed cdrroc@.
If you have installed two floppy disk drlves,
remember that the Quity 356/25 PLUS will
bootfrorndrhmBwhendrfvaAhasnodls&
insertedandadir&lspkcrdIndrlyaB.
Installing Hard Disk Drives
lt is recommended that a l&bit AT-type hard
disk controller bs usod In the Equity 3S6/25
PLUS, if you are installing 8drive that ~nctt
make use of the internal hard disk amtroller.
Also ramember tp diaabie the onboard hard
disk controller when installing suoh a d&o.
If you are having ditty in formating the
harddiskdrlva,bystartingoverwiththe
Unconditional Fcrrma.t option In dlagndatb.
Setup
Wren installing a hard disk drive, be sura to
cdnsultthedrivetypatablesforthedrfvetype
which fits the drive you ara installlng.
tf there
is no match fcrr your drive, use the User
Defined driva optkm.
Adding Memory Modules
-
The total amount of memory must be one of
the following: 1 MB, 2MB, 3MB, 4M6, BMB.
8MB, 9MB, lOMB, lZMB, dr 16MB.
386/25 PLUS-6
11/15/90 Equity Series Computers

EQUITY 386/25 PLUS
!&hen inrtrlllng a copyprotect& wftware
package on the Equity 366/26 PLUS, fbt by
the installation at 25 Wk. tf thir don not
workproperiy,try8wftchingto8MHzforthe
installation. If you are &Ill unable to load the
program at 25 MHz, try loading at 8 MHz and
then witohlng to 25 Ml-k.
Whenudnga~packagethatuuSa
keydisk aa it’r copy-pmwtbn method, try.
loadlngttat2SMHz. lfthlsdooenotwork,
enable the Auto Speed option in SETUP.
Power-on Password
MakowrethatyoudonotforgathePower+n
Pasword should you uet one up. li you do, it
will be necessary to dlsabie it by moving
jumper J13 on tfm main circuit board to the A
position.
Equity Series Computers
11/15/90
386/25 PLUS-7

EQUITY 366/25 PLUS
lnformation Reference List
Engineering Change Notices
None.
Technical Information Bulletins
None.
Product Support Bulletins
None.
Related Documentation
ThbEO38625+ Equity 386/25 PLUS Service Manual
MPL-EO38625 + Equity 386/25 PLUS Parts List
Y707991001 Equity 386/25 PLUS
W’s Guide
386/25 PLUS-8
11/15/90 Equity Series Computers