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Sonnet Allegro FireWire 800 PCIe

External 9-pin IEEE 1394b; port count differs by revision. This model-specific archival record distinguishes documented product facts from platform-level compatibility assumptions.

Original schematic illustration for Sonnet Allegro FireWire 800 PCIe
SCHEMATIC // USB / FIREWIRE ADD-IN CARD

MODEL SCOPE: Sonnet Allegro FireWire 800 PCIe. Confirm board revision, exact product label, firmware, bracket, and accessories before installation.

Reference specifications

Model identifierSonnet Allegro FireWire 800 PCIe
Host busPCIe x1
Interfaces and protocolsExternal 9-pin IEEE 1394b; port count differs by revision
Controller / chipsetTI IEEE 1394 OHCI family
Driver and operating-system notesOHCI 1394 OS support varies by release
Compatibility and archival notesUse 9-pin 1394b cable; 1394a requires suitable cable. Check bus power and legacy OS driver.

Compatibility, care & archival notes

  • Use 9-pin 1394b cable; 1394a requires suitable cable. Check bus power and legacy OS driver.
  • 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. Manufacturer — Sonnet Allegro FireWire 800 PCIe product referenceVendor 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.