![Technical Reference](/images/new-backgrounds/117028/117028121x1.webp)
A
Technical Reference
Specifications
• | Bus interface: | |
• | Number of ports: | 4 |
• | I/O address: | Assigned by PCI BIOS |
• | IRQ: | Assigned by PCI BIOS |
• | Data bits: | 5, 6, 7, 8 |
• | Stop bits: | 1, 1.5, 2 |
• | Parity: | None, even, odd, space, mark |
• | UART: | 4 × 16C550C or compatible |
• | Speed: | 50 bps to 230.4bps |
• | Connectors: | DB44 female |
• | Data signals: | |
• | Surge protection: | ESD Max. 1600V |
• | Operating temp: | 0 to 55℃ |
• | Power Requirement | 191 mA max. (+5V) |
|
| 37 mA max. (+12V) |
• |
| 50 mA max. |
Dimensions: | 120 × 64.41 mm |
PCI
The
Unlike ISA slots, different PCI slots in the same PC may have different bus numbers and device numbers with respect to the PCI specifications. The same PCI board will have different system configurations if moved to a different PCI slot. This is called