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Creative AWE64 User Manual - Page 30

Understanding the Environment Variables

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Interrupt Request (IRQ) Lines An IRQ line is a signal line a device uses to notify your computer's central processor that it wants to send or receive data for processing. Table B-2 lists an example of an IRQ line that may be assigned to the audio interface on your audio card. Table B-2: Possible default IRQ line assignments. IRQ Line Device 5 Audio interface Direct Memory Access (DMA) Channels A DMA channel is a data channel a device uses to transfer data directly to and from the system memory. Your card's audio interface transfers data through the Low and High DMA channels. Table B-3 shows a possible combination of DMA channels that may be assigned to the audio interface. Table B-3: Possible default DMA channel assignments. DMA Channel Usage 1 Audio Low DMA channel 5 Audio High DMA channel Understanding the Environment Variables Environment variables are used to pass information about how your card is configured to programs in your system. This section explains the environment variables of your audio card: u SOUND Environment Variable u BLASTER Environment Variable u MIDI Environment Variable Understanding the Installation B-3

Section	Page
AWE64 GOLD	1
Getting Started	2
Compliance	3
Table of Contents	4
Introduction	6
Before You Begin	7
Checking System Requirements	7
Using This Guide	7
Getting More Information	8
Document Conventions	8
Setting Up Your Audio Card	10
Knowing Your Audio Card	11
Figure 1-1: The connectors and jacks on your audio...	11
Figure 1-2: Connection of SPDIF Out jack to SPDIF ...	12
Installing the Card and Related Hardware	13
Figure 1-3: Mounting the DRAM Upgrade daughterboar...	13
Figure 1-5: Connecting external speakers and other...	14
Installing Software in Windows 95	16
Setting Up the Audio Card Drivers	16
Figure 2-1: Message box indicating the detection o...	16
Figure 2-2: Driver installation dialog box in whic...	17
Installing the Applications	18
Testing the Installation	18
Uninstalling the Applications	20
Installing Software in DOS/ Windows 3.1x	22
Installing the Software	22
Testing the Installation	23
Optimizing Memory Usage	24
Using Memory Managers	24
Bypassing the Loading of the Low-Level Drivers	24
Appendix A: General Specifications	26
Appendix B: Understanding the Installation	28
Understanding the Software-Configurable Settings	28
Input/Output (I/O) Addresses	29
Interrupt Request (IRQ) Lines	30
Direct Memory Access (DMA) Channels	30
Understanding the Environment Variables	30
SOUND Environment Variable	31
BLASTER Environment Variable	31
MIDI Environment Variable	32
Understanding the Installation Program in Windows ...	32
The AUTOEXEC.BAT File Settings	33
The CONFIG.SYS File Settings	34
Appendix C: Changing Audio Card Settings	36
Enabling/Disabling Creative 3D Stereo Enhancement ...	36
In Windows 95	36
1. Click the Start button, point to Settings, and ...	36
2. In the Control Panel window, double-click the S...	36
3. In the System Properties sheet, click the Devic...	36
4. In the Device Manager tab, double-click Sound, ...	37
5. Select Creative AWE64 16-bit Audio (SB16-compat...	37
6. In the properties sheet, click the Settings tab...	37
7. To enable the Creative 3D Stereo Enhancement ef...	37
8. Click the OK button.	37
In MS-DOS/Windows 3.1x	37
1. At the MS-DOS prompt, change to the directory c...	37
2. To enable the effect, type CT3DSE ON. To disabl...	37
Enabling/Disabling Full Duplex Operation	37
In Windows 95	38
1. Repeat steps 1 - 7 of “In Windows 95” on page C...	38
2. To enable full duplex, select the Allow Full Du...	38
3. Click the OK button.	38
In Windows 3.1x	38
1. Launch your File Manager.	38
2. Locate the SYSTEM.INI file in your Windows dire...	38
3. Double-click the file. A text editor appears, d...	38
4. Under the section [sndblst.drv], look for the l...	38
5. Save the file.	38
6. Restart your system for the drivers to be updat...	38
Enabling/Disabling MPU-401 MIDI Emulation	38
In Windows 95	39
1. Start the AWE Control Panel.	39
2. In the AWE Control Panel, click the Device butt...	39
3. In the Device Selection dialog box, select the ...	39
4. In the AWE Control Panel, click the Quit button...	39
In MS-DOS/Windows 3.1x	39
1. If your audio card is already installed, switch...	39
2. Enable or disable the MFBEN jumper according to...	40
Figure C-1: The available MPU-401 MIDI Emulation s...	40
Figure C-1: The available MPU-401 MIDI Emulation settings	40
Enabling/Disabling Joystick Interface	40
In Windows 95	40
1. Click the Start button, point to Settings, and ...	40
2. In the Control Panel window, double-click the S...	40
3. In the System Properties sheet, click the Devic...	40
4. To enable or disable the Joystick interface, do...	40
5. Click the Properties button.	40
6. To disable the interface, clear the Original Co...	41
7. Click the OK button and restart Windows 95 for ...	41
In MS-DOS/Windows 3.1x	41
1. Exit to MS-DOS if you are in Windows 3.1x.	41
2. Change to the directory where your CTCM and CTC...	41
3. On the Menu menu of the Creative Plug and Play ...	41
4. In the List of PnP Cards list, click your Creat...	41
5. Click the Resources button. The current resourc...	41
6. To disable the interface, select the Disable ch...	41
7. Click the OK button twice.	41
8. On the Menu menu, click Exit. Type the path of ...	41
9. Restart your system for the change to take effe...	41
Appendix D: Troubleshooting	42
Problems Installing Audio Card Software from CD-RO...	42
Problems with Sound	43
Problems in MS-DOS	44
Problems in Windows 3.1x	45
Resolving Conflicts	46
Resolving Conflicts in Windows 95	47
1. Click the Start button, point to Settings, and ...	47
2. In the Control Panel window, double-click the S...	47
3. In the System Properties sheet, click the Devic...	47
4. In the Device Manager tab, double-click Sound, ...	47
5. Select your audio card and click the Properties...	47
6. In the properties sheet, click the Resources ta...	47
7. Select the Use Automatic Settings check box. If...	47
8. Reboot your system to allow Windows 95 to reass...	47
Resolving Conflicts in MS-DOS/Windows 3.1x	47
1. Run your Plug and Play configuration utility.	47
2. Reselect the resource settings of your audio ca...	47
Appendix E: Technical Support	51
Installing Software for Windows 95	51
Setting Up Microsoft Internet Explorer	52
Setting Up the Dialing and Service Provider Inform...	53
To Set Up a Dial-Up Script	55
Running Microsoft Internet Explorer	56
Installing Software for Windows 3.x	56
Setting up Microsoft Internet Explorer	57
To set up your modem under Windows 3.x and to set ...	58
Connecting to Your Internet Service Provider	60
Creative WebPhone Guide	61
Entering your activation key	61
Entering information in the Configure window	61
Entering your User Information	61
Information	61
Entering your Network Parameters	62
WebPhone Password	62
Network Parameter descriptions	63
Changing your E-Mail Address	64
Audio Programs and your Creative WebPhone	64
Sound Cards and your Creative WebPhone	64
Modems and your Creative WebPhone	65
Bandwidth and your Answering Machine	65
Troubleshooting	65
Plug and Play Installation Tips	68
Installing CTCM & CTCU	69
Using CTCM	70
Using CTCU	71
The CTCU Interface	72
PnP Cards Section	73
Resources Window	73
Reconfigure Button	74
Test Button	75
Legacy Cards Section	75
View All Button	75
View Button	76
Add Button	76
Remove Button	76
Change Button	77
System Devices Section	77
PCI Devices Section	78
View All Button	78
View Button	78
PnP Concepts	79
PnP System BIOS	80
PnP Operating System	80
PnP Configuration Drivers and Utilities	81
PnP in DOS/Windows 3.1x	81
Creative’s Approach to PnP	82
Why Use CTCM and CTCU?	83
Limitations of CTCM and CTCU	83
Common Questions and Answers	84
General Questions	84
ICM (or other Configuration Manager) Questions	84
CTCU Question	85
CTCM Questions	85
Notes for WaveSynth/WG Users	88
Full-Duplex Mode	88