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HARDWARE ARCHIVES // PART RECORD

[ INDIVIDUAL COMPONENT // SERIAL I/O ]

Brainboxes PX-275

Eight RS-232 ports via included DB25 cable; 110–921,600 baud; PCIe. This model-specific archival record distinguishes documented product facts from platform-level compatibility assumptions.

Original schematic illustration for Brainboxes PX-275
SCHEMATIC // SERIAL I/O ADD-IN CARD

MODEL SCOPE: Brainboxes PX-275. Confirm board revision, exact product label, firmware, bracket, and accessories before installation.

Reference specifications

Model identifierBrainboxes PX-275
Host busPCIe x1
Interfaces and protocolsEight RS-232 ports via included eight-port DB25 cable; 110–921,600 baud per product page.
Controller / chipsetBrainboxes PCIe serial controller
Driver and operating-system notesBrainboxes Windows driver; Linux by chip/kernel
Compatibility and archival notesPX-275 is an eight-port PCIe RS-232 card. Manufacturer lists Windows 10 support and says Windows 11 is not supported; preserve the supported driver.

Compatibility, care & archival notes

  • Use documented pinout and RS-232 levels; DB9 alone does not indicate RS-422/485.
  • Record PCB/revision identifiers, subsystem IDs, firmware and supplied accessories; OEM and retail versions may differ.
  • Retain a verified backup and known-good driver/firmware before changing a working legacy configuration.

Sources & further reading

  1. Brainboxes — Brainboxes PX-275Vendor reference for the named model or family; confirm exact revision and current archived manual.
  2. PCI-SIG — PCI Express specificationsBus terminology; physical slot fit does not guarantee electrical compatibility.
  3. Linux kernel — PCI support documentationGeneral enumeration reference, not a promise of support for every device feature.