Epson 33+ Benutzerhandbuch
Epson EL 4S/33+
Option card riser hard connector pin assignments (S1) (continued)
*Active low logic
*Active low logic
SIMM sockets (RAM1, RAM2, RAM3, RAM4)
Use only 30-pin, 8-bit or 9-bit, fast-page mode SIMMs
(preferably tin-plated) that operate at an access speed of 70ns
(nanoseconds) or faster. SIMMs must operate at the same
speed.
speed.
Installation/Support Tips
Installing Diskette Drives
Make sure that the drive type has been correctly selected in
the SETUP program.
Installing Hard Disk Drives
When installing a hard disk drive, see the hard disk drive
type tables on pages 5 and 6 and use the auto-sensing
feature in SETUP to select the correct type number for the
drive. If the auto-sensing feature does not produce a
match for the drive, you can define your own drive type
by selecting User Def 1 or 2 as the type and entering
the drive’s exact parameters.
It is recommended that a 16-bit, AT-type hard disk
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 J21 and J30 to position 2-3.
If you plan to install two hard disk drives in the internal
If you plan to install two hard disk drives in the internal
bays, you must use flat-head screws (#6-32UNC x 8
FH,M,+) to secure the top drive to the mounting bracket.
If you are installing an ESDI hard disk drive, make sure
If you are installing an ESDI hard disk drive, make sure
you disable the built-in IDE hard disk drive interface by
moving jumpers J21 and J30 to position 2-3. Also be sure
to remove the hard disk drive ribbon connector from the
system board.
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