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Vintage Apple Ethernet CS II Twisted-Pair Card 820-0784-A Comm Slot II Mac
Product Details
Genuine Vintage Apple Ethernet CS II Twisted-Pair Expansion Card PART NUMBERS: PCB Part Number: 820-0784-A Assembly Part Number: 630-1873 Interface Type: Apple Communication Slot II (Comm Slot II) Port Type: Single RJ-45 (10BASE-T Ethernet) CONDITION AND TESTING: This card was pulled from a working vintage desktop network setup. It worked perfectly the last time it was used. Because I do not currently have a vintage Mac motherboard to test it today, it is being listed as-is. I have no reason to believe it wont work The circuit board is clean with no corrosion and no leaking capacitors. COMPATIBILITY:This is a proprietary Apple network card. It only fits 1990s Macintosh systems with a Comm Slot II internal socket. It will not fit standard PCI slots. Confirmed Models: Power Macintosh: 4400, 5400, 5500, 6300/160, 6400, 6500, 7220Macintosh Performa: 5400, 6360, 6400Twentieth Anniversary Macintosh (TAM)UMAX SuperMac C600 Clones
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.








