This document details the signal assignments for PCI-E Mini Card Connectors and mSATA Connectors. These connectors are standard interfaces used in various computing devices for expansion cards and storage solutions.
PCI-E Mini Card Connector
mSATA Connector
| Pin Name | Pin # (PCI-E Mini Card) | Pin # (mSATA) | Description |
|---|---|---|---|
| PERST# | 1 | - | PCIe Reset |
| +3.3Vaux | 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51 | - | +3.3V Auxiliary |
| +1.5V | 4, 14, 32, 34 | 4, 12, 32, 34 | +1.5V Power |
| SMB_CLK | 6 | - | System Management Bus Clock |
| SMB_DATA | 8 | - | System Management Bus Data |
| USB_D- | 10 | - | USB Differential Data - |
| USB_D+ | 12 | - | USB Differential Data + |
| LED_WWAN# | 16 | - | WWAN LED Indicator |
| LED_WLAN# | 18 | - | WLAN LED Indicator |
| LED_WPAN# | 20 | - | WPAN LED Indicator |
| 3.3Vaux | 22, 24, 26, 28, 30, 36, 38, 40, 42, 44, 46, 48, 50, 52 | - | 3.3V Auxiliary |
| 1.5V | 32, 34 | - | 1.5V Power |
| WAKE# | 42 | - | Wake Signal |
| CLKREQ# | 44 | - | Clock Request |
| REFCLK- | 46 | - | Reference Clock - |
| REFCLK+ | 48 | - | Reference Clock + |
| PERn0 | 50 | - | PCIe Differential Pair 0 Negative |
| PERp0 | 52 | - | PCIe Differential Pair 0 Positive |
| PETn0 | 19 | - | PCIe Differential Pair 0 Transmit Negative |
| PETp0 | 21 | - | PCIe Differential Pair 0 Transmit Positive |
| GND | 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51 | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52 | Ground |
| W_DISABLE# | 33 | - | Wireless Disable |
| UIM_VPP | 35 | - | UIM Voltage Programming |
| COEX2 | 37 | - | Coexistence 2 |
| Reserved* (UIM_C4) | 39 | - | Reserved for UIM Card |
| UIM_C8 | - | 3 | UIM Card 8 |
| UIM_RESET | - | 5 | UIM Reset |
| UIM_CLK | - | 7 | UIM Clock |
| UIM_DATA | - | 9 | UIM Data |
| UIM_PWR | - | 11 | UIM Power |
| Reserved | 41, 43, 45, 47, 49, 51 | 1, 5, 7, 9, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49 | Reserved |
| +3.3V | - | 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49 | +3.3V Power |
| +B | - | 23 | +B Signal |
| -B | - | 25 | -B Signal |
| -A | - | 27 | -A Signal |
| +A | - | 29 | +A Signal |
| DA/DSS | - | 43 | Data/DSS |
| Presence Detection | - | 45 | Presence Detection |
| Vendor | - | 47, 49 | Vendor Specific |
| No Connect | - | 51 | No Connect |
