Global American 3308290, User Manual

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Figure 2-14: SATA Drive Connectors
2.6.9 Serial Peripheral Interface (SPI) BIOS
The 4-pin SPI is connected to an SPI BIOS chip. A licensed copy of AMI BIOS is
preinstalled on the SPI BIOS chip. A master-slave protocol is used for communication on
the SPI bus. The slave is connected to the Intel® ICH8M-E and is implemented as a
tri-state bus.
Figure 2-15: Serial Peripheral Interface BIOS
2.6.10 USB Controller
Up to ten high-speed, full-speed or low-speed USB devices are supported by the
ICH8M-E on the 3308290. High-speed USB 2.0, with data transfers of up to 480 MB/s,
is enabled with the ICH8M-E integrated Enhanced Host Controller Interface (EHCI)
compliant host controller. USB full-speed and low-speed signaling is supported by the
ICH8M-E integrated Universal Host Controller Interface (UHCI) controllers.
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