Chapter 2. System board features
Audio subsystem
Some PC | 300GL models come with | an Analog | Devices, | Inc. integrated audio controller. These | |
which are capable of playing | and recording sounds, support DirectX and Microsoft Windo | ||||
System | applications. SoundBlaster | applications are | supported in a DOS window only. | ||
The device drivers for the | audio controller are on the hard disk drive. The device | ||||
available on Softwarethe | SelectionsCD | provided | with all | models. | |
The following connectors are available on the audio adapter or integrated audio controll
ŸLine/Headphone outport for connecting powered speakers. Your audio system requires a
speakers | or headphones | connected | to the | Line/Headphone out port | in | order to | hear | ||
system. These | speakers | must be powered with a | In | general, | any po | ||||
designed | for | use | with | personal | computers can be used with your | audio system. Thes | |||
available | with | a | wide | range of | features | and power outputs. |
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Ÿ Line in port for connecting musical devices, such as a portable
ŸMicrophone for connecting a microphone.
Super | input/output | controller |
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Control | of the | integrated input/output (I/O) and diskette drive controllers is | provided |
the Super Input/Output Controller. This module supports Plug and Play and controls | the follo | ||
features: |
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ŸDiskette drive interface
ŸSerial port
ŸParallel port
Ÿ Keyboard and mouse ports
ŸGeneral purpose I/O ports
Diskette drive interface
The | following | is | a list of devices that | the | diskette drive subsystem supports: | ||||
Ÿ | 1.44 | MB, | 3.5 | inch diskette | drive |
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Ÿ | 1.44 | MB, | 3.5 | inch, | Japan (no BIOS | support for | |||
Ÿ | 1 Mbps, 500 | Kbps, or | 250 Kbps internal | tape | drive |
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One | connector | is provided on the system board for diskette drive support. For informati | |||||||
connector | pin | assignments, | see | “Diskette drive | connector” | on page 32. | |||
Serial ports
Two universal asynchronous receiver/transmitter | (UART) | serial port | are integrated into | the | |
The serial ports include | data, | buffers and have | progr | ||
generators. The serial ports are | NS16450 and | PC16550A | compatible. |
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For information on the connector pin assignments, see “Serial port connector” on page 34.
Note: Current loop interface is not supported.
The following figure shows the serial port assignments in the configuration.
10 Technical Information Manual
