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2. Reference Information
2-1 Component Descriptions
2-1-1 DVD ATAPI Loader
D.C. Power Supply
A 4-pin shrouded, keyed male connector is used to provide the D.C.Power.
The pin assignment is described below.
PIN
DC VOLTS
1
2
3
4
Interface Connector
A 39-pin male, unshielded, shrouded, keyed connector are applied.
Please refer to Section 7-2-3 regarding its pin definition.
Electrical Characteristics
1. Power
1-1. Voltage
+5V DC with ± 5% tolerance. Less than 100mVp-p Ripple Voltage
+12V DC with ± 10% tolerance, less than 150mVp-p Ripple Voltage
1-2. Current
Continuous Reading
+5V DC
+12V DC
Seeking & Spin up
+5V DC
+12V DC
2. Signal Summary
The physical interface consists of single ended TTL compatible receivers.
3. Connector Pin Definition
I/F Signals
Reset
GND
DD7
DD8
DD6
DD9
DD5
DD10
DD4
DD11
DD3
4
+12V
GND
GND
+5V
500mA (Average)
300mA (Average)
0.8A (Maximum)
1.5A (Maximum)
I/O Pin #
1
2
3
4
5
6
7
8
9
10
11
I/F Signals
DMARQ
GND
DIOW
GND
DIOR
GND
IORDY
CSEL
DMACK
GND
INTRQ
I/O Pin #
21
22
23
24
25
26
27
28
29
30
31
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