Service manual

C-22 Sun Ultra 2 Series Service Manual • July 1996
C.1.14.2 Built-in Speaker
The system unit or server contains a cost-effective speaker. The speaker provides
audio functionality in the absence of external speakers. Audio from all sources is
available. The following table lists the built-in speaker specifications.
C.1.14.3 Microphone
A SunMicrophone II mono microphone is included with each system unit.
C.1.15 ASICs
The system unit or server achieves a high level of integration through application-
specific intergrated circuits (ASICs). All ASICs are 1149.1 (JTAG) compliant. The
following ASICs are highlighted and are described in the following subsections:
■ SC_MP—page C-23
■ SYSIO—page C-24
■ BMX—page C-24
■ RISC—page C-24
■ FEPS—page C-25
■ SLAVIO—page C-26
■ CBT—page C-26
TABLE C-4 Built-in Speaker Specifications
Speaker Specifications
Power output 1.5 W average, 3 W peak
Distortion 0.02 percent, typical at 1 kHz
Impedance 16 ohms (+/- 20 percent)
Frequency response 150 Hz to 17 kHz (+/- 0.5 dB)