PI7C9X442SL PCIe Bridge Port
PCI ID 12d8:400a · Pericom Semiconductor
| Vendor | Pericom Semiconductor |
|---|---|
| Vendor ID | 12d8 |
| Device ID | 400a |
| Windows hardware ID | PCI\VEN_12D8&DEV_400A |
| Linux modalias | pci:v000012D8d0000400A |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has PCI ID 12d8:400a?
PCI ID 12d8:400a is “PI7C9X442SL PCIe Bridge Port” made by Pericom Semiconductor (vendor ID 12d8, device ID 400a).
Which Linux driver supports PI7C9X442SL PCIe Bridge Port?
Linux kernel 6.12 lists no driver for this exact ID. Many devices are still supported through their device class, such as AHCI, NVMe, xHCI or HD Audio controllers; others need a vendor driver. Overview of device classes and their drivers
How do I check whether PI7C9X442SL PCIe Bridge Port is in my computer?
On Linux, lspci -nn | grep -i 12d8:400a shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as PCI\VEN_12D8&DEV_400A.
How do I see which driver is currently in use?
lspci -nnk -d 12d8:400a lists the device with a “Kernel driver in use” line showing the active driver.
Nearby entries
- 0303 – PCI Express Switch 3-3
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- 2304 – PI7C9X2G304 EL/SL PCIe2 3-Port/4-Lane Packet Switch
- 2308 – PI7C9X2G308GP 3-Ports/8-lane PCIe 2.0 Switch
- 2404 – PI7C9X2G404 EL/SL PCIe2 4-Port/4-Lane Packet Switch
- 2608 – PI7C9X2G608GP PCIe2 6-Port/8-Lane Packet Switch
- 400c – PI7C9X440SL PCIe Bridge Port
- 400e – PI7C9X440SL/PI7C9X442SL USB OHCI Controller
- 400f – PI7C9X440SL/PI7C9X442SL USB EHCI Controller
- 71e2 – PI7C7300A/PI7C7300D PCI-to-PCI Bridge
- 71e3 – PI7C7300A/PI7C7300D PCI-to-PCI Bridge (Secondary Bus 2)
- 8140 – PI7C8140A PCI-to-PCI Bridge