Epson Equity 486SX/25 PLUS Руководство по информации о продукте - Страница 6
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Hard disk drive types (continued)
36
37
116
548
761
3 9
17
,
1022
34
1024
828
IO
34
512
45
1024
17
615
8
17
128
47
lnstallation / Support Tips
Power
This computer has an automatic input voltage sensing power
supply (between 115V, for USA and Canadian use, and 23OV, for
use in other countries). There is no manual switch
Mouse and Keyboard
When connecting the mouse and keyboard, be careful to
plug them into the proper ports. Although they are
physically identical, they are not interchangeable, and
damage may occur to the ports or the main board.
Installing Floppy Disk Drives
When installing a floppy disk drive as drive B, remember to
set the drive select jumper to the second position and attach
the pass-through connector on the floppy drive controller
cable to the drive, not to the end connector.
If the drive does not function normally, make sure that the
drive type has been correctly selected in Setup. Also check
that any necessary drivers have been installed correctly.
If you have installed two floppy disk drives, remember that
the computer will boot from drive B when a disk is inserted
Installing Hard Disk Drives
It is recommended that a l&bit, AT-type hard disk
controller be used if you are installing a drive that cannot
use the embedded IDE interface. lnstalling a 16-bit interface
the standard base l/O address and lRQ(s).
Equity Series Computers
2 0 2 Conner cP3204F
81
I 115 ! CannrCP30104
1022
, 89
Setup
When installing a hard disk drive, be sure to consult the
drive type table for the drive type parameters (geometry)
which fit the drive you are installing. You can also select a
type with parameters having lesser values, as long as they
do not exceed the maximum capacity (in MB) of your drive.
parameters using the User Defined option.
Software Problems
When installing a copy-protected software package, first try
the installation at high speed. If this does not work properly,
try switching to low speed for the installation If you are still
unable to load the program at high speed, try loading at low
speed and then switching to high speed.
For the Equity 486DX2/50 PLUS, high speed is 50 MHz.
For the Equity 48&3X/25 PLUS, high speed is 25 MHz.
Both systems simulate 8 MHz at low speed.
When using a software package that uses a key disk as its
copy-protection method, try loading it at high speed. If this
does not work, enable Auto Speed in Setup on the Reference
diskette.
Power-on Password
Make sure that you do not forget the Power-on password
you set up. If you do, it wilI be necessary to disable it by
moving jumper JP5 on the main circuit board to position B.
Information Reference List
Engineering Change Notices
None.
Technical Information Bulletins
None.
Product Support Bulletins
None.
Related Documentation
Equity 486DX2/50 PLUS &
Equity 486SX/25 PLUS Service Manual
Equity 486DX2/50 PLUS Parts Price List
Equity 48fiSX/25 PLUS Parts Price List
Equity 486DX2/50 Self Paced Kit
Equity 486DX2/50 PLUS
5/12/92
EQUITY 486DX2/50 PLUS
EQUITY 486SX/25 PLUS
466DX2/50 & 486SX/25 PLUS-5