I haven't tested this module but it was 100% working when I took it out of my Mac years ago and have since sat on a shelf.
(from AI):
168-pin 128 MB PC100 SDR SDRAM DIMM, manufactured by Infineon (part number HYS64V16220GU-8-C).
Technical Specs
Capacity & Speed: 128 MB, 100 MHz, CL2 (CAS Latency 2, which offered lower latency/higher speed for PC100 memory).
Configuration: Unbuffered, non-ECC 16Mx64 desktop RAM module.
Compatibility & Usage
Compatible with late-90s/early-2000s desktop systems, including Power Mac G3 (Blue & White), early Power Mac G4 models, slot-loading iMac G3s, and Pentium II / III PC motherboards.