BTC 1853L / 1857L 16bit isa sound card Audio Driver

BTC 1853L / 1857L 16bit isa sound card Driver. Driver, documentation, eeprom and utilities from the original installation diskettes.

TECHNICAL SPECIFICATIONS

Main audio chip: ESS1868 VLSI chip

Audio format: PCM 16-bit, 4 KHz - 44.1 Khz

Sound card I/O base 220H, 230H, 240H, 250H

address range:

Sound card IRQ range: 5,7,9,10,11

Sound card DMA channel: 0,1,3

range

CD-ROM interface: IDE (ATAPI) compliant CD-ROM I/F

IRQ 9,10,11,15 / I/O 170H, 168H, 1E8H

FM synthesizer: 20 voice ESFM enhanced FM synthesizer +

Yamaha OPL-3 compatible FM synthesizer(4 operators)

FM I/O address range: 388 H-38 BH

MIDI characteristics: Compatibility: Sound Blaster (Pro),

MPU-401 UART interface with 256-byte FIFO Playback:

FM synthesizer or wavetable (1855/1859 only)

Mixer: 6 channel stereo mixer / 1 channel mono

Audio standard : Sound Blaster, Sound Blaster Pro, Adlib,

compliance WSS (Windows Sound System)

Driver support: DOS, Windows 3.1, Windows for Workgroups 3.11

Windows 95 PnP, Windows NT, OS/2 Warp 3.0

MPC Level: Level I, II (exceeding)

Other: ESPCM audio compression on-chip

Input characteristics: Microphone input: 600 Ohm, 75 dB

Line input: line source level (hi-fi)

CD audio in: line source level (hi-fi)

Output characteristics: Speaker out: max. 2W, 4/8 Ohm

Game port/MIDI: Connection: 15-pin D-sub connector Supports

up to two joysticks (Y cable)

I/O address range: 200H-207H