Specifications:

• Chipset: ESS 1688
  AudioDrive(r) single mixed
  signal chipset
  Single / mixed channel 16-bit stereo, 20-
  voices ESFM
  6-channel mixer, mixer controlled record
  / playback
  Programmable sample rate from: 4 ~ 48
  KHz
  MPU401 (UART mode), Sound Blaster
  midi interface for for wavetable
  synthesizers
  PC-speaker I/O with volume control
  Software address mapping, DMA, IRQ
  for Plug and Play
  Supports FM music synthesis in OPL3
  mode
  Programmed I/O and DMA transfers
  including demand transfer DMA
  Supports Windows 3.1, Windows 95,
  Windows NT and Windows Sound
  System, IBM OS/2
  Supports applications for Sound Blaster
  and Sound Blaster Pro mode
  
• Bus Interface: PC/104
  standard compliant
  
• Connector:
  4-pin header for speakers out, line out,
  microphone, line in, axillary 1, axillary 2
  2-pin header for MIDI in
  2-pin header for MIDI out
  Power Requirements : +5 V @ 250 mA,
  +12 V @ 800mA (MAX)
  
• Dimensions: 90 (L) x 96 (W) mm.
  
• Weight: 110 g
  
• Operating Temperature:
  0 ~ +55° C