Analog Interface; I/O Address Map; Analog I/F Specifications - NEC VERSA MEDIADOCK Service Manual

ANALOG INTERFACE

Refer to Table Section 1-3 for a list of analog interface specifications.
Output
Internal Speaker
Headphone
Line Out to D/S
External Mic In
Line In (External)
Line In from CD-ROM

I/O ADDRESS MAP

Refer to Table Section 1-4 for the MediaDock I/O address map.
Address
0170 -0177H
01F0 - 01F7H
0220 - 022FH
0230 - 023FH
0240 - 024FH
0250 -025FH
Table Section 1-3 Analog I/F Specifications
Parameter
Output Level
Output Impedance
Frequency Response
Output Level
Output Impedance
Frequency Response
Output Voltage Level
Rated Load Impedance
Frequency Response
Input Level
Frequency Response
Input Impedance
Input Bias
Auto Level Control
Input Level
Rated Load Impedance
Frequency Response
Input Level
Rated Load Impedance
Frequency Response
Table Section 1-4 I/O Address Map
Function
IDE Controller (Secondary)
IDE Controller (Primary)
Sound Controller (Primary)
Sound Controller (Secondary)
Sound Controller (Secondary)
Sound Controller (Secondary)
Technical Information
Specification
4 Watts Per Channel
8 Ohms
20 Hz to 20 KHz
4 Watts Per Channel
8 Ohms
20 Hz to 20 KHz
1 Vrms
47 Kohms
20 Hz to 20 KHz
25 m Vrms
200 Hz to 12 Khz
5.0 Kohms
2.2 V thru 10 Kohms
+20 dB to +100 dB
2 Vrms
10 Kohms
2 Hz to 20 KHz
2 Vrms
7.5 Kohms
2 Hz to 20 KHz
1-9