ATX Riser Card
From HwB
A standard 2x60 pin PCI connector in line with a 2x11 pin connector.
[edit] Pinout
| Pin | Name | Direction | Description |
|---|---|---|---|
| A1 | PCI_GNT1# |  | Riser Slot 3 |
| A2 | GND |  | Ground |
| A3 | PCI_GNT2# | | Riset Slot 2 |
| A2 | GND | | Ground |
| A5 | PCI_CLK3 | | Active PCI device |
| A6 | RISER_ID1 |  | Riser ID/Mfg Test |
| A7 | RESVD | ? | Reserved |
| A8 | RISER_ID2 | | Riser ID/Mfg Test |
| A9 | NOGO | | PCI2ISA |
| A10 | +12V | | Additional +12V |
| A11 | SER_IRQ |  | PCI2ISA |
| B1 | GND | | Ground |
| B2 | PCI_CLK1 | | Riser Slot 3 |
| B3 | GND | | Ground |
| B4 | PCI_REQ1# | | Riser Slot 3 |
| B5 | GND | | Ground |
| B6 | PCI_CLK2 | | Riser Slot 2 |
| B7 | GND | | Ground |
| B8 | PCI_REQ2# | | Riser Slot 2 |
| B9 | GND | | Ground |
| B10 | PC/PCI_DREQ# | | PCI2ISA |
| B11 | PC/PCI_DGNT# | | PCI2ISA |
Note: Direction is motherboard relative riser card.