PerfecTron OXY5323A, Manual

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OXY5323A 3.5" SBC
User’s Manual V1.1
www.perfectron.com
15
2.9 PCI Express Expansion Slots
Board’s PCI Express slot(s) must be PCI Express Specification v2.0 compliant and compatible
with PCI Express v2.0 and v1.1 add-in cards.
PCI Express x16 slot must be compatible with x16/x8/x4/x1 PCI Express add-on cards. PCIe
x16 slot’s retention mechanism must be consistent across Intel desktop boards.
PCI Express x4 slot(s) must be compatible with PCI Express x4 and x1 add-on cards. Slot
power capability must comply with 25W requirement as defined in the PCI Express Card
Electromechanical 3.0 Specification.
PCI Express x1 slot(s) must be compatible with x1 PCI Express add-on cards.
Route WAKE# to support ACPI wake events.
Design must provide SMBus routed to all PCI Express slots, with individual/per slot de-stuffing
option via strapping resistor (strapping resistor must be stuffed by default).
Follow the ATX specification and Industrial DFA (Design for Assembly) standard requirements
for connector placement and spacing.
Keep-out zone of PCI Express v3.0 x16 slot must allow use of double-width and long graphics
cards without blocking access to any connectors (i.e. SATA ports, DIMM connector tabs, front
p
anel audio header, …).