CB650M-BX Mother Board
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7-3. Diskette Drive Contro l l e r
The I/O controller support two diskette drive that is compatible with the
82077 diskette drive controller and support both PC-AT and PS/2 modes.
7-4. Keyboard and Mouse Interf a c e
PS/2 keyboard and mouse connectors are located on the back panel. The +5V
lines to these connectors are protected with a Fuse circuit from an overc u r re n t
c o n d i t i o n .
8. Audio Subsystem
The audio subsystem contains of these devices.
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Yamaha YMF724F or YMF740C
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AKM AK4542 stereo audio codec or compatible part
8-1. Yamaha YMF724F(or YMF740C)
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PCI 2.1 compliant
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PC97/PC98 compliant
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Legacy audio compatibility
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Supports PC/PCI and Distributed DMA for legacy DMAC(8237) emulation
8-2. AKM AK4542 Stereo Audio Codec
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High performance 18-bit stereo full-duplex audio codec with up to 48KHz
sampling rate
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Connects to the Yamaha YMF724F(or YMF740C) using a five-wire digital
i n t e r f a c e
9. Hardware Monitor
The hard w a re monitoring subsystem provides low-cost instru m e n t a t i o n
capabilities. The feature of the hard w a re monitor subsystem include:
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An integrated ambient temperature sensor
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Fan speed sensors
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Power supply voltage monitoring to detect levels above or below acceptable
v a l u e s
CB650M-BX(1,2¿Â) 00.5.12 2:8 PM
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