Sata Controllers; Figure 2-11: Pci Bus Edge Connector - IEI Technology SPCIE-3600AM2 User Manual

Four of the five PCI bus lanes are interfaced to the backplane through an edge connector
on the bottom of the CPU card. The fifth PCI connector is interfaced to a PCI graphics
controller (see above).

Figure 2-11: PCI Bus Edge Connector

2.4.6 SATA Controllers

Six 3.0 Gbps SATA II drives are supported by three independent SATA controllers. The
SATA II controllers have the following features:
Compliant with ATA/ATAPI-7 Volume 3
Supports Native Command Queueing (NCQ)
Supports Tagged Command Queueing (TCQ)
High speed, low voltage, low pin count
3.0 Gbps transmissions in both directions
Supports power-down capabilities
Supports Serial ATA ATAPI devices
Hot plug support
Clock spread spectrum capability
The six SATA II controllers are shown in below:
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SPCIE-3600AM2 PICMG 1.3 CPU Card