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32 Gateway ALR 8200R User’s Guide
Speaker Connector
Connects the internal speaker to the system board.
External Boot ROM Connector
Provides connection for expansion cards that contain a separate boot ROM
and require separate access to the system board. This connector is for
factory use only.
LED Display Connector
Connects the LEDs on the front panel to the system board. Includes the
keyboard lock button signals and the reset button signals.
Drive Controllers and Connectors
The system board supports several controllers for drives and other
peripherals. Cables to link these controllers to the appropriate devices are
also provided.
Hard Drive Controller and Connectors
This is an integrated dual-channel Ultra-DMA PCI/IDE (integrated drive
electronics) interface with two IDE connectors capable of controlling up to
four IDE devices and supporting (paging input output) PIO Modes 0-4.
Ultra-direct memory access (DMA) provides faster access to IDE devices
that are Ultra-DMA compliant while maintaining support for IDE devices
that do not support the Ultra-DMA specification.
Diskette Controller and Connector
The diskette drive controller and connector on the system board can support
up to two diskette drives of 1.44 MB and 2.88 MB formats.
SCSI Controller and Connectors
This integrated Adaptec
®
AIC™-7890 small computer systems interface
(SCSI) controller is a high-performance, Plug & Play (PnP) compliant,
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