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If the computer has an Epson-supplied hard disk drive,
select a user-defined drive type and enter the appropriate
information from the table below using the SETUP program.
Epson-supplied Hard Disk Drive Types
Epson drive options
* Actual formatted size may be slightly different than size on drive label.
Installation/Support Tips
Installing Diskette Drives
Make sure that the drive type has been correctly selected in
the SETUP program.
Installing Hard Disk Drives
It is recommended that a 16-bit, AT-type hard disk
controller be used if you are installing a drive that cannot
use the embedded IDE interface. If you install a non-IDE
hard disk drive and controller card, you need to disable
the built-in IDE hard disk drive interface by moving
jumpers J25 to position 2-3 and J22 to the Off position.
When installing a hard disk drive, see the hard disk drive
type tables on page 7 and use the SETUP program to
select the correct type number for the drive. You can
select a type number that matches the parameters for the
drive or a type number with parameters having lesser
values, as long as they do not exceed the maximum
capacity (in MB) of the drive. If there is no match for the
drive, you can select a user-defined drive type (48 or 49)
and enter the drive's exact parameters.
If you are going to install NetWare 286, version 2.2, install
the IDE.OBJ and IDE.DSK drivers contained within the
IDE286.ZIP file available from Netwire on CompuServe.@
Alternatively, assign the pre-defined hard disk drive type
that most closely matches the drive you are installing
rather than assigning a user-defined drive type.
If you are installing an ESDI hard disk drive, make sure
you disable the built-in IDE hard disk drive interface by
moving jumpers J25 to position 2-3 and J22 to the Off
position. Also be sure to remove the hard disk drive
ribbon connector from the system board.
If you install two hard disk drives in the internal drive
bays, you must use flat-head screws (#6-32UNC x8
FH,M,+) to secure the top drive to the mounting bracket.
You must also replace the existing 65 Watt power supply
with an 85 Watt power supply.
Software Problems
When installing a copy-protected software package, first
try the installation at high speed. If this does not work
properly, select low speed by pressing the Ctrl and Alt
keys and the - key on the numeric keypad
simultaneously. Try loading the program at low speed
and then switching to high speed, if possible.
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, load it at low speed.
Installing Option Cards
Although the EL 4S/33 will support most full-length option
cards, option cards with an I/F connector on the back may
not fit into the option slot.
Note that the EL 4S/33 system does not support older option
cards requiring -5 VDC.
COM Port Assignment
If you want to assign COM1 as COM3, you must set jumper
J10 to position 2-3. You also need to install a special driver
available from Epson technical support.
Using IBM 3270/PC 3270 Emulation
If you are using the IBM 3270/PC 3270 Emulation Entry
software, version 2.2, you may see only half the font when
you switch from a terminal emulation session to DOS. Install
the patch program available from the Epson Bulletin Board
at (310) 782-4531.
Game Port Problems
Some joysticks may not calibrate properly with certain game
software applications that accept joystick input. If the
joystick connected to the built-in game port does not work
with the game software you are using, try repositioning the
trim knobs on the joystick. If that doesn't work, you may
want to purchase a joystick option card. If you do, make sure
you set jumper J4 to position 2-3 to disable the built-in game
port.
9/93
Epson EL 4S/33
Epson EL 4S/33-7
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