Canopus PowerWindow PWR128P graphics card is recorded in the 1997 GPU research cohort under Canopus. The current display name and classification are normalization proposals.
Source product name
PowerWindow PWR128P
Source model number
PWR128P
Source manufacturer
Canopus Corporation
Research scope
PC/AT-compatible retail graphics-card market
Why it existed
manufacturer stated
PC add-in 3-D graphics for PC/AT-compatible systems
PC Watch / Impress · dated 1997-10-08; PWR128P/PWR128P-4VC product and late-October sale passages
Contemporary report identifies PowerWindow PWR128P and PWR128P/4VC as PCI add-in boards using NVIDIA RIVA 128 and gives an end-of-October 1997 sale window.
Open questions and review
Exact sale/shipment day; channel/geography; relationship of PWR128P and PWR128P/4VC configurations.
No owner discrepancy decision is recorded. This does not mean there are no unresolved issues.
scope error · follow up
Board sale window is late October; underlying RIVA 128 chip timing must not be inherited and PWR128P variants remain unresolved.
Report describes distinct PCI boards and end-October sale window.
Follow-up: Retain board record and configuration uncertainty.
Original intake sources
These notes preserve the state at intake. Later verification is shown under Release evidence above; an original note saying verification had not occurred is not the current assessment.
Imported source reference; independent verification has not occurred.
Original research note
Board identity. This card uses NVIDIA RIVA 128 but is not the chip record; the report gives an end-of-October card sale window rather than an exact day.