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SoundBlaster Cards (Rev 1.6.1)
Soundblaster Pro
Reconfiguring for headphones or external speakers
- Power the system down, take suitable antistatic precautions and remove
the system unit cover.
- Identify jumpers JP14 and JP15 and the cable, from the illustration
above.
- Disconnect the cable from pins 4, 5 and 6 of JP14.
- Remove the jumper links from pins 3 and 7 of JP14 and replace on across
pins 6 and 7 of JP14, and the other across both pins of JP15.
Soundblaster 16 (Vibra) CT2260
Reconfiguring for headphones or external speakers
- Power down the system, take suitable antistatic precautions and remove
the system unit cover.
- Identify jumpers JP16 and JP17 and the cable, from the above
illustration.
- Disconnect the cable from pins 1, 2 and 3 of JP17.
- Remove the jumper links from pins 4 and 5 of JP17 and replace one across
pins 3 and 4 of JP17, and the other across both pins of JP16.
Vibra 16 CT2801
Specification
Audio Specification
|
| Frequency Response |
20 Hz to 20 KHz (Line out) |
| Signal to Noise Ratio |
80 dB (Line out) |
| THD + Noise |
0.02% (Line out)
0.2% (Speaker out - typ.) |
| Output Power (Max.) |
4 Watts PMPO per channel
(4 W load minimum) |
| Maximum Output Signal |
8.8 Vpp |
| AGC Amplifier Gain |
20 dB to 46 dB
(20 dB fixed gain when AGC is off) |
| Microphone Impedance |
600 W |
| Microphone Input Range |
30 mVpp to mVpp |
| Line-In Impedance |
15 KW |
| Line-In Input Range |
0 to 2 Vpp |
| CD Audio-In Impedance |
15 KW |
| CD Audio-In Sensitivity |
0 to 2 Vpp |
Power Consumption
|
| +5 V Current Consumption |
250 mA (typ) |
| +12 V Current Consumption |
300 mA (typ) |
| -12 V Current Consumption |
50 mA (typ) |
I/O MAPPING - Default settings in bold
face
|
| Audio |
220H - 22FH or 240H - 24FH
260H - 26FH or 280H - 28FH |
| MPU-401 UART |
300H - 301H or 330H - 331H |
| Joystick |
200H - 207H |
| Music Synthesis |
388H - 38BH |
| IDE interface |
170 - 177 & 376 - 377 Secondary
1E8 - 1EF Tertiary
168 - 16F Quaternary |
INTERRUPTS and DMA Channels - Default
settings in bold
|
| DMA setting |
| 8-bit |
1 and 3 |
| 16-bit |
5 and 7 |
| IRQ setting |
2, 5, 7, 10 |
| IDE setting |
10, 11, 12, and 15 |
TEMPERATURE RANGE
|
| Operation |
10 to 50 ºC |
| Non-operating |
-40 to 70 ºC |
Audio In Pin Assignments
|
| CD_IN CONNECTOR (J3) |
| PIN |
SIGNAL |
I/O |
| 1 |
Ground |
IN |
| 2 |
CD Left Channel |
IN |
| 3 |
Ground |
IN |
| 4 |
CD Right Channel |
IN |
Internal PC Speaker
|
| PC SPK CONNECTOR (JP12) |
| PIN |
SIGNAL |
I/O |
| 1 |
+5 V |
IN |
| 2 |
SPK |
IN |
Audio Extension Pin Assignments
|
| CONNECTOR (JP15) |
| PIN |
DESCRIPTION |
| 1 |
MICGND - Mic input ground. |
| 2 |
MICGND - Mic input ground. |
| 3 |
MICL - Mic input left channel. |
| CONNECTOR (JP14) |
| PIN |
DESCRIPTION |
| 1 |
SPKGND - Speaker output ground. |
| 2 |
SPKR - Speaker output right channel. Max. output voltage
is 3Vrms at 4W. |
| 3 |
SPKL - Speaker output left channel. Max. output voltage is
3Vrms at 4W. |
| 4 |
SPKRL - Speaker output return signal for left channel. |
| 5 |
SPKRR - Speaker output return signal for right channel. |
| CONNECTOR (JP13) |
| PIN |
DESCRIPTION |
| 1 |
SPKR - Speaker output right channel. Max. output voltage
is 3Vrms at 4W. |
| 2 |
SPKRR - Speaker output return signal for right channel. |
I/O Address Settings
|
| ADDRESS |
JUMPER - IOS0 |
JUMPER - IOS1 |
| 220H (default) |
ON |
ON |
| 240H |
OFF |
ON |
| 260H |
ON |
OFF |
| 280H |
OFF |
OFF |
IDE Interface Settings
|
| STATUS |
JUMPER - IDEEN |
JUMPER - IDECHRDY |
| Enabled |
ON (default) |
ON |
| Disabled |
OFF |
OFF (default) |
| IDE PORT |
I/O Address |
JUMPER - IDEIO0 |
JUMPER - IDEIO1 |
| Secondary (default) |
170-177 & 376-377 |
OFF |
ON |
| Tertiary |
1E8-1EF |
ON |
OFF |
| Quaternary |
168-16F |
OFF |
OFF |
| IDE PORT |
IRQ Lines |
| Secondary (default) |
15 (default) |
| Tertiary |
11 or 12 |
| Quaternary |
10 or 11 |
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