PCI Express Mini Card Electromechanical Specification, Revision 1.2

Contents
1. Introduction
	1.1. Overview
	1.2. Specification References
	1.3. Targeted Applications
	1.4. Features and Benefits
2. Mechanical Specification
	2.1. Overview
	2.2. Card Specifications
		2.2.1. Card Form Factor
		2.2.2. Card and Socket Types
		2.2.3. Card PCB Details
	2.3. System Connector Specifications
		2.3.1. System Connector
		2.3.2. System Connector Parametric Specifications
	2.4. I/O Connector Area
	2.5. Recommended Socket Configurations
		2.5.1. Single-Use Full-Mini and Half-Mini Sockets
		2.5.2. Dual-Use Sockets
		2.5.3. Dual Head-to-Head Sockets
		2.5.4. Side-by-Side Socket Spacing
	2.6. Thermal Guidelines
		2.6.1. Thermal Design Definitions
		2.6.2. Thermal Guidelines for PCI Express Mini Card Add in Card Designers
			2.6.2.1. Implementation Considerations
		2.6.3. Thermal Guidelines for Integrating Wireless Wide Area Network Mini Card Add-in Cards
3. Electrical Specifications
	3.1. Overview
	3.2. System Interface Signals
		3.2.1. Power Sources and Grounds
		3.2.2. PCI Express Interface
		3.2.3. USB Interface
		3.2.4. Auxiliary Signals
			3.2.4.1. Reference Clock
			3.2.4.2. CLKREQ# Signal
				3.2.4.2.1. Power-up Requirements
				3.2.4.2.2. Dynamic Clock Control
				3.2.4.2.3. Clock Request Support Reporting and Enabling
			3.2.4.3. PERST# Signal
			3.2.4.4. WAKE# Signal
			3.2.4.5. SMBus
		3.2.5. Communications Specific Signals
			3.2.5.1. Status Indicators
			3.2.5.2. W_DISABLE# Signal
		3.2.6. User Identity Module (UIM) Interface
			3.2.6.1. UIM_PWR
			3.2.6.2. UIM_RESET
			3.2.6.3. UIM_CLK
			3.2.6.4. UIM_VPP
			3.2.6.5. UIM_DATA
	3.3. Connector Pin-out Definitions
		3.3.1. Grounds
		3.3.2. Coexistence Pins
		3.3.3. Reserved Pins
	3.4. Electrical Requirements
		3.4.1. Logic Signal Requirements
		3.4.2. Digital Interfaces
		3.4.3. Power
	3.5. Card Enumeration
A. Supplemental Guidelines for PCI Express Mini Card Connector Testing
	A.1. Test Boards Assembly
		A.1.1. Base Board Assembly
		A.1.2. Plug-in Cards Assembly
	A.2. Insertion Loss Measurement
	A.3. Return Loss Measurement
	A.4. Near End Crosstalk Measurement
B. I/O Connector Guidelines
	B.1. Wire-line Modems
	B.2. IEEE 802.3 Wired Ethernet
	B.3. IEEE 802.11 Wireless Ethernet