Difference between revisions of "Creative Sound Blaster 16 ASP"

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(Document basic info and jumpers)
 
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Latest revision as of 12:31, 9 April 2017

Creative Sound Blaster 16 ASP
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Bus type ISA
Bus width 16-bit
Bus speed 8 MHz
8-bit ISA compatible?
Manufacturer Creative Labs
Chipset CT1746A
Compatible with Sound Blaster
Connectors Mic, Line in, Line out , Speaker out, Gameport
Requires -5VDC? No
Requires -12VDC? Yes
Config method Jumpers, Software
Audio
Model CT1740
Full duplex Unknown
Max sample rate Unknown
Channels 2
FM synth OPL3
Internal
connectors
CD Audio in:SBCD
PC Speaker in:Dupont-2
Aux in:None
Phone (TAD) in/out:None
Line out:None
SPDIF out:None
MB_PRO:No
SB Link:No
Factory memory 0
0 B
CD interface Matsushita MKE
Driver Missing download URL

The Sound Blaster 16 ASP is an enhancement to the original SB16 that introduces a signal processing chip. This was supposed to provide hardware compression and decompression of audio, however it proved to be a short-lived addition as later cards dropped this capability - presumably due to increasing CPU speeds and the fact that the majority of audio was synthesised in real-time (e.g. in games) rather than being pre-recorded.

Additional photos

  • Creative Sound Blaster 16 ASP underside.jpg

    Underside

Jumpers

I/O address IOS0 IOS1
220h Closed Closed
240h Open Closed
260h Closed Open
280h Open Open
IRQ IS0 IS1
2 Closed Closed
5 Open Closed
7 Closed Open
10 Open Open
Low DMA DAS0 DAS1
0 Closed Closed
1 Open Closed
3 Closed Open
Disabled Open Open
High DMA DBS0 DBS1
5 Closed Closed
6 Open Closed
7 Closed Open
Use low DMA Open Open
CSP chip IFSD APSD
Disabled Closed Closed
N/A Open Closed
N/A Closed Open
Enabled Open Open
MIDI I/O address MSEL
330h Closed
300h Open
MPU-401 emulation MFBEN
Enabled Closed
Disabled Open
Gameport JYEN
Enabled Closed
Disabled Open
CT17xx amplifier OPSL OPSR
Enabled 2-3 2-3
Disabled 1-2 1-2

Presumably when the amplifier is enabled the output jack becomes a "speaker out", whereas a disabled amplifier will change the jack to a "line out" with the volume control nonfunctional, with presumably less noise on the output also.

Unknown AUDIO_PWB (JP14)
Default 6-7
Unknown RSPK_EN
Default Closed
 ? Open

Other connectors

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