Sound Blaster (Pro) compitible(8-bit audio up to 44.1KHz stereo)
MS PnP v1.0a compatible -Supports six logical devices
-Sound Blaster Pro,Windows Sound System,OPL3
-MPU-401 MIDI interface
-IDE CD ROM interface
-Joystick/game port
-Modem interface
-82C925 master control
ADPCM decompression
IDE CD ROM interface
18mA drivers for direct AT bus interface
Windows Sound System interface
MPU-401 interface(UART mode with 8-byte FIFO for both in and out)
Integrated OPTiFM with 22 voice,52 operator synthesis,OPL3 backward compatible
OPL4/Wave blaster upgrade
Built-In Game Port timer
Power-down mode for low-power notebook applications
All DMA,IRQ,I/O Address selections are software programmable
Volume control push-button interface
External Modem chip set interface
100 pin package
OPTi 82c931:Plug and Play Integrated Audio Controller
96年中問世,獨立ISA音效晶片,同82c930原本目的為內建在主機板上,不過已經額外再加入許多東西,官方規格如下:
931-AD Mode:(Single chip adaptor card with support for IDE CD-ROM/Modem)
SB Pro/Ad Lib/WSS compatible
Built-in 16-bit Sigma-Delta Stereo Codec
Built-in 22 voice,52 operator,OPTiFM with enhanced bass
Built-in 7-channel mixer: 5 stereo and 2 mono
MS PnP v1.0a compatible -Supports six logical devices
-Sound Blaster Pro,Windows Sound System,OPL3
-MPU-401 MIDI interface(UART mode FIFO for both in and out)
-IDE CD ROM interface
-Joystick/game port
-Modem interface
-82C931 control
Supports external serial EEPROM(optional)
External Modem chip set interface
8/16 bit sound data up to 48 kHz stereo
Support IMA ADPCM/u-Law/A-Law decompression
Supports 16-bit Type F DMA playback,accelerates telephony-audio
Digital joystick interface support,improves responsiveness
I2S serial interface supports Zoom Video Port/wavetable/modem
DirectSound interface support
Hardware and software volume control via push-button interface
100-pin PQFP(Plastic Quad Flat Pack) or TQFP(Thin Quad Flat Pack)
Full Duplex Operation(use two 8 or 16-bit DMA channels to play/rec)
Power-down mode
OPL4/Wave blaster upgrade
OPTi 82c933
獨立ISA音效晶片,因為被Creative收購,故無法得到任何資料.....
謎般的晶片(笑).....Creative把這顆改名為EV1933,有名的音效卡如ONKYO的WAVIO Sound Engine Pro SE-70就是使用933晶片,不幸的是98年三月上市,98年七月出最終版的驅動程式.....⊙_⊙||