Add to Cart Quick view IBM 6448800XM 8-Bit ISA Serial Parallel Adapter Card 6135932 IBM Was: $59.00 Was: $125.00 IBM 6448800XM 8-Bit ISA Serial Parallel Adapter Card Vintage 1980's Internal port expansion card used in IBM XT and AT Computers Alternate Part number: 110-6135932-01 Alternate Part number:... 40953 SKU: 40953 Weight: 1.00 LBS