Layout of the "Ultimedia ACPA" P/N 92F1255

+--------+ +----+ +++ +------------------------------------------------------------------------+ + ++ | +-------+ P4 J2 | +-++ | | OSC1 | 15 o o o o o o o o 1 1 oooo 4 +----+ + | +-------+ /---+ 16 o o o o o o o 2 | | | /-----------+ | | +------| | | | | +---+ | | | <- In | | | +-------+ +------| | | | | | REL | +------| | | | | +-------+ | | | <- Mic | | | +------| | | +-----------+ +-----------+ +------| | | +---------+ | o | +---------+ | | | <- Out | | | | | | | +------| | | +---------+ | | +---------+ +------| | | +---------+ | | | | | <- Spkr | | | | | +------| | | +---------+ +-----------+ | | | | | +-------------------+------+-+-------------------------+------------+ | | |HHHHHH| |HHHHHHHHHHHHHHHHHHHHHHHHH| | | | |HHHHHH| |HHHHHHHHHHHHHHHHHHHHHHHHH| | | | +------+ +-------------------------+ +---------+-+ J2 1 = CD Audio In R 2 = GND 3 = GND 4 = CD Audio In L P4 = Multimedia Frontpanel (undocumented)

Layout of the "short, standard ACPA" P/N 92F1288

+--------+ +----+ +++ +--------------------------------------------------------------------+ + ++ | ::1o=o +-------+ 1o o o 1o o o | +-++ | :: JPR3 | OSC1 | J3 J2 +----+ + | :: +-------+ /---+ | | | :: /-----------+ | | +-------+ +------| | | :: | | +---+ | REL | | | | <- In | :: | | +-------+ +------| | | :: | | +------| | | :: | | +---------+ | | | <- Mic | :: | | | | 1o o o +------| | | :: +-----------+ +-----------+ +---------+ J1 +------| | | :: +---------+ | o | | | | <- Out | :: | | | | +------| | | :: +---------+ | | +------| | | :: +---------+ | | | | | <- Spkr | :: | | | | +------| | | :: +---------+ +-----------+ | | | :: | | +---------------+------+-+-------------------------+------------+ | | |HHHHHH| |HHHHHHHHHHHHHHHHHHHHHHHHH| | | | |HHHHHH| |HHHHHHHHHHHHHHHHHHHHHHHHH| | | | +------+ +-------------------------+ +---------+-+ J1 1 = GND 2 = CD Audio R 3 = CD Audio L J2 1 = GND 2 = AUX In R 3 = AUX In L J3 1 = GND ? 2 = JPR3/1 3 = GND ?

Specs and Technical Data Marketing Part Number : 92F3379 (92F1255 and 92F1288 resp.) Service Part Number : 95F1256 Feature Code : 3909 POS ID : 6E6C Sample Width Sampling Rate Data Size (KB/sec.) ----------------------------------------------------------- 8-bit 8.000 KS/second 8 8-bit 11.025 KS/second 11 8-bit 22.500 KS/second 22 8-bit 44.100 KS/second 44 16-bit 8.000 KS/second 16 16-bit 11.025 KS/second 22 16-bit 22.500 KS/second 44 16-bit 44.100 KS/second 88 ----------------------------------------------------------- (KS/second = 1000s samples per second) Audio Mode Data Size in KiloBytes (estimated) ----------------------------------------------------------- Compact disc 16-bit Stereo 10,500 16-bit PCM 22.050 KS/sec. - Mono 2,640 8-bit PCM 11.025 KS/sec. - Mono 660 Voice - Mono 330 MIDI - Stereo 12 * ----------------------------------------------------------- (* Note: MIDI cannot be used to store the human voice.) ACPA Specifications Input Analog Performance Input Sampling Rate 44.1 KHz (stero) 88.2 KHz (mono) Input Channel Bandwidth 12 Hz to 20 KHz 3dB cutoff (typical) Dynamic Range 16-bit resolution Signal-to-noise ratio 80dB (typical) Line level input impedence 30K ohms (typical) Line level voltage 7 volts peak-peak max. Microphone input impedence 20K Ohms (typical) Microphone gain +33/+45 dB S(N+D) 78 dB (typical) Output Analog Performance Output Sampling Rate 88.2 KHz Both Channels Output Channel Bandwidth 12 Hz to 24 KHz 3dB cutoff (typical) Dynamic Range 16-bit resolution Signal-to-noise ratio 80dB (typical) Line level input impedence 10K ohms minimum Line level voltage 7.0 volts peak-peak max. Speaker/Headphone drive at least 4 ohms or over Speaker power 110 mw typical (8 ohm load) S(N+D) 78 dB (typical) Connectors Microphone input (1) Mini-phone jack (3.5mm) Speaker (1) Mini-stereo phone jack (3.5mm) Line (2: 1 In, 1 Out) Mini-stereo phone jack (3.5mm) Test Condition 1 KHz, +7 dBV Power Consumption +5V 1.5 A +12V 55 mA -12V 55 mA Note: The 55 miliamps from the -12 volts exceeds the 40 miliamps per slot available in the MicroChannel computer. This will not cause a problem in most systems, since most boards use very little -12 volt power. From: IBM Audio Capture & Playback Adapter Installation and Reference Manual P/N 34F2795 (written and published for IBM by Tecmar)

Related Software at IBM M-ACPA option / driver disk ftp://204.146.167.81/pub/pccbbs/options/macpaopt.exe The DOS software 1 & 2 ftp://204.146.167.81/pub/pccbbs/misc/macpab1.exe ftp://204.146.167.81/pub/pccbbs/misc/macpab2.exe The Win 3.x drivers ftp://204.146.167.81/pub/pccbbs/misc/macpawin.exe The WIN-CSD drivers ftp://204.146.167.81/pub/pccbbs/corrective_service/macpacsd.exe

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