Davong Mac Disk User Manual page 99

R.A.L. CONSULTING
Phone:
ELECTRONICS MARKETING
(408) 559-6459
14805 COLE DRIVE • SAN JOSE. CA 95124
408·559·6459
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MACINTOSH SERIAL HARD DISK SYSTEM
Installation Considerations
MOUNTING
*
Mounting must be in case with fan.
*
There should be some type of air intake holes in the front
or bottom front of cabinet with exhaust fan
(3"
Boxer type)
mounted in rear of cabinet.
*
Please allow
~"
air space above, below, and around edges
of controller to insure proper ventilation.
*
The
4
LED's mentioned in the operation manual are not required
for operation. If you wish to install them, refer to Figure 1
for cable connection and schematics for LED connections.
POWER REQUIREMENTS
CABLES
*
Power Supply must be minimum 65 watt +5 @ 5 a.
+12 @ 2.5 a. (4 a. surge)
*
+5 is for the controller and hard disk.
*
+12 is for the hard disk only (consult +12 requirements for your
particular hard disk)
*
The controller does not use +12.
*
Most fans run off AC, however, if you use a DC fan, its power
requirements must be added to the system power requirements.
*
Hard Disk - Standard IBM ST-506 type cables (20 pin
a~d
34 pin).
*
Controller Power -
4
pin molex (same as used to hook up hard disk
power.
*
Interface Cable from Controller to Macintosh - DB-9 to DB-9
shielded cable wired pin for pin (i.e., 1 to 1, 2 to 2, etc.)
*
LED Cable - 2 x 5 header plug, 10 wire flat ribbon cable.
CONNECTIONS
WARRANTY
*
Refer to Figure 1 (page attached).
*
R.A.L. Consulting will repair or replace this Macintosh Hard Disk
Controller board that has been found to be defective in materials
or workmanship for a period of 90 days from date of purchase. Please
ship prepaid and packed well to the address listed above. We do not
cover physically damaged boards or boards that have had incorrect
voltages applied ( please pay careful attention to power hookups).