Intel BX80580Q9400 User Manual - Page 36
Serial Peripheral Interface SPI, Soft Audio/Soft Modem, SATA Storage
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Development Board Features 3.6.13 Serial Peripheral Interface (SPI) The Serial Peripheral Interface on ICH9M-E SFF can be used to support two compatible flash devices (U8C1 (or U8B2), U8C4 (or U8C3)). Both the SPI devices supports for multi-package (SOIC-8 and SOIC-16) device. The SOIC-8 package (U8C1 & U8C4) would support 16 Mb SPI flashes, while the SOIC-16 package (U8B2 & U8C3) will support 32Mb or higher SPI flash. Unified BIOS code (BIOS+ IAMT+ LAN) resides in these two SPI devices. Note: Out of the SOIC-8 and SOIC-16 footprints supported on the board only one of these can be used at a time and on the board the Footprint is arranged one over the other. By default, U8C1 (16Mb on CS#0) and U8C4 (16Mb on CS#1) will be stuffed. Note: SPI programming details are given in Section 2.8.2 3.6.14 Soft Audio/Soft Modem Intel® High Definition Audio functionality is enabled through the Mott Canyon 4 Daughter Card. ICH9M-E SFF supports 4 Intel® High Definition Audio codecs. All the four are routed to MDC header through resistor stuffing option. By default Codec 0 & 1 will be connected to MDC Card. An on-board header is provided at J9E2 and J9E4 for this purpose. No direct connection is provided for the Intel® High Definition Audio Card on the development board; the Mott Canyon 4 card is required to enable the Intel® High Definition Audio functionality. See Appendix A for more information on the Mott Canyon 4 card. The development board supports low voltage (LV) High definition codecs I/O. R8E7, R8E8 & R7H2, R7H3 resistors are used to select between 3.3V I/O and 1.5VI/O. Table 9. Selection of I/O Voltage for the High Definition Audio I/O Voltage for the High Definition Audio 3.3V (Default) 1.5V STUFF R8E7, R7H3 R8E8, R7H2 NO STUFF R8E8, R7H2 R8E7, R7H3 3.6.15 SATA Storage The development board provides four serial ATA (SATA) connectors. One of the four serial ATA (SATA) connectors is a "direct connect" connector located at J8J1 (port 0 from the ICH9M). The other two serial ATA connectors are "cable connect" connectors located at J6J3 (port 1 from ICH9M) & J6J2 (port 4 from ICH9M). Also, the development board supports an eSATA connector located at J7J1 (port 5 of ICH9M). The eSATA connector is available on the front edge of the board. Additionally SATA port 4 can be made available at docking connector by stuffing (C7W2, C7W3, C7V13 and C7V14) and making C7H1, C7H2, C7G9 and C7G8 to "NO STUFF". 36 Development Kit User's Manual