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2.4.11 Interrupt Controller
The interrupt controller has the following features:
Dual 8259 Programmable Interrupt Controllers (PICs) supports 15 interrupts
(Interrupts generated by the PICs become output signals when MCP55Pro is
configured as a slave device)
82093-compatible I/O Advanced Programmable Interrupt Controller (APIC)
supports 24 interrupts
PCI interrupt routing and masking
Independent edge/level triggered interrupts
Interrupt sharing for all internal devices
2.4.12 DMA Controller
The DMA controller has the following features.
Dual 8237 supports seven independently programmable channels
Standard page registers allow 24-bit addressing
8254 programmable interval timer counter based on 14.31818 MHz clock
MC146818A/DS12887-compatible RTC with 512-byte battery backed-up
RAM
2.4.13 HD Audio
The SPCIE-3600AM2 on-board audio connector can connect to an optional audio kit
through an on-board audio connector. The codec on the optional audio kit is connected to
the NVIDIA MCP55Pro audio controller through the High Definition audio. Supported HD
Audio features are listed below:
High Definition Audio Specification 1.0 compliant
Supports eight independent streams, four input and four output
Supports up to 16 channels per stream
Supports both 44.1 kHz and 48 kHz sample formats
Supports streams with sample rates up to 192 kHz
Supports streams with sample widths up to 32 bits
High Definition Audio link supports up to three audio or modem codecs in any
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SPCIE-3600AM2 PICMG 1.3 CPU Card
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