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EQUITY 486DX2/50 PLUS
EQUITY 486SX/25 PLUS
Jumper settings for base memory
Base
memory
Jumper JP13
Jumper JP14
640KB
A
~ A’
512KB
,B
IA
,256KB
!B
lB
/
*
Factory
setting
Jumper settings for extended memory
T&d
1
Jumper
memory
!
JPB
$v
Jumper Jumper
JPlO
JPll
i
Jumper
JP12
!
~ 4MB
B
0
B
i
6MB
0
A
B
B
;B
A
A
1
QMB
A
!B
IB
A
A
I
10MB
A
!A
0
A
,
IA
12MB
A
]B
A
A
(A
16MB
A
IA
A
A
jA
*
Factory
setting
Jumper settings for alternate microprocessor
‘Jumper
number
’
Jumper
eelllng
Functlon
JPl
IA
80487SX
wwalled
B
80486SX
wWalled
JP2
ii*
80467SX
mslalled;
NMI
slgnal
80486SX
installed
NMI
slgnal
1
JP3
iA
I
I
0’
1
60467SX
mstallsd
FERR
stgnal
j
60466SX
mstalled;
FERR
stgnal
*
Factory
settrig,
these lumpers are
not used for 60 MHz
mtcroprocessor
SIMM lnstallation
The SIMM sockets are labelled as shown below.
There are 12 SIMM sockets on the memory card organized in three
banks consisting of four sockets each. Each socket can contain one
memory module. You must fill all of the sockets in any bank you
use. Since each bank has four sockets, you must install four SIMMs
to fill up the bank
The following table shows all the possible SIMM configurations
for your computer. Do not install SIMMs in any other
configuration Remember that the memory card already contains
4MB (soldered).
486DX/50 & 486SX/25 PLUS-4
5/12/92
SIMM configurations
Bank1 Bank2
Bank 3
Total memory
AMMM
1
,6MB
IMMMM
iKKKK
QMB
II4
MM
M
KKKK
‘KKKK
’
I
10MB
(MMMM
MMMM ~
!
12MB
/MMMM
MMMM
lMMMb.4
I16MB
K=266KB
SIMM mtalled
M=l MB SIMM
mstalled
Hard Disk Drive Types
The following table lists the types of hard disk drives you can use
in the computer. Check this table and the documentation supplied
with your hard disk to find the correct number for the type of hard
disk drive(s) installed in your computer. You need to enter this
number
when you set the
hard disk drive configuration in the
Setup program.
Hard disk drive types
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I1
306
4
17 128
I305
10
2 615 4
17 300 615 20 Seagate
ST225
and ST4026.
/
Watcm
Dqnal
WD-93042
3 615 6
17
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300
1615
30 Saapabz
ST1
38A
*
14
1840
18
117
1512
IS40
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1
28
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1488
877
140
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Equity Series Computers