IBM L70, User Manual

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I.Description
II.
The IBM PCI Audio Adapter provides the next generation of PCI audio performance to the PC market.
The adapter not only meets the new demands of advanced PC audio applications but also enables the
integration of a complete multimedia subsystem on a single adapter. The adapter functionality and
interfaces are compliant with all major industry standards, including SoundBlaster® compatible, PC99,
Windows DirectSound®, Windows Sound System® and PCI 2.1 bus specification.
A. Features
v
Single, high performance, mixed signal, 16-bit stereo VLSI
®
chip
v
PCI parallel bus interface, version 2.1
v
Full native DOS games compatibility, via the following technologies:
I. TDMA
II. DDMA
III. PC/PCI(Optionally supported only)
v
High-Quality ESFM

music synthesizer
v
Dynamic range (SNR) over 80 dB
v
Integrated Spatializer

3-D audio effects processor
Record and playback features
v
Record, compress, and play back voice, sound, and music
v
16-bit stereo ADC and DAC
v
Programmable independent sample rates from 4 kHz up to 48 kHz for record and playback
v
Full-Duplex operation for simultaneous record and playback
Inputs and outputs
v
Stereo inputs for line-in, auxiliary A (CD audio), and a mono input for microphone.
v
MPU-401 (UART mode) interface for wavetable synthesizers and MIDI devices
v
Integrated dual game port
v
Separate mono input (MONO-IN) and mono output (MONO-OUT) for speakerphone
Mixer features
v
6-channel mixer with stereo inputs for line, CD audio, music synthesizer, digital audio (wave files), and
mono inputs for microphone and speakerphone
v
Programmable 6-bit logarithmic master volume control
Compatibility
v
Supports PC games and applications for SoundBlaster® and SoundBlaster® Pro.
v
Supports Microsoft® Windows Sound System®.
v
Meets PC 97/PC 98/PC99 and WHQL® specifications
I.A.1.a)(1)(a)(i)(a)(i)
B. Card Figure for the IBM PCI Audio Adapter
III.
E E - P R O M 9 3 C 6 6
( O P T I O N )
L I N E O U T J 8 J 3
T A D / V o i c e M o d e m
P o w e r A m p l i f i e r
J 6
l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l
M I D I /
J O Y S T I C K
S P E A K E R
O U T
M I C I N
L I N E I N
S O L O - 1 
E S 1 9 3 8
C D - I N
( A T A P I )
P C / P C I I n t e r f a c e
A M P
C D - I N ( J S T )
J 7
J 9
J 1
J 2
J 4
J 5
J 1 9 J 1 3
J 1 1
J 1 0
J 1 6
P C S P E A K E R
J 2 1
S P E A K E R O U T
A. Connectors for the IBM PCI Audio Adapter
The IBM PCI Audio Adapter includes up to five internal connectors, four external jack ports, and one
external MIDI/ Joystick connector.
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