Description
IBM 6448800XM 8-Bit ISA Serial Parallel Adapter Card XT AT 110-6135932-01
An 8-bit ISA expansion card that adds serial (DB9) and parallel (DB25) communication ports to IBM PC XT, PC AT, and compatible systems. Uses MMI 1503085 chipset licensed by IBM, manufactured in the United States in 1983.
Specifications & What's Included
- Model: 6448800XM (MPN 110-6135932-01)
- Bus Type: 8-Bit ISA
- Interfaces: Serial DB9 and Parallel DB25
- Form Factor: Half-length ISA card
- Compatible with IBM PC XT, PC AT, and 8-bit ISA systems
- Card only; no cables or software included
Applications
This adapter type was used to connect legacy peripherals such as printers, modems, and serial devices to early IBM personal computers. It provided dual communication capability on systems with limited expansion slots. Typical applications included parallel printing and serial communications for data transfer and modem connections in XT and AT-era computing environments.
This IBM 6448800XM 8-Bit ISA Serial/Parallel Adapter Card has been inspected and is in good condition. The PCB is clean with no visible damage, broken traces, or missing components. The DB25 parallel port and DB9 serial port bracket connectors appear intact and undamaged. DIP switches J1 and J2 are present and movable. Normal light shelf wear consistent with storage. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
IBM |
Model: |
6448800XM |
MPN: |
110-6135932-01 |
Secondary Model: |
220-6135932-01 |
Type: |
Serial/Parallel Adapter Card |
SKU: |
40953 |
Bus Type: |
8-Bit ISA |
Interface: |
Serial (DB9) and Parallel (DB25) |
Form Factor: |
Half-Length ISA Card |
Compatible With: |
IBM PC XT, IBM PC AT, 8-bit ISA systems |
Chipset: |
MMI 1503085 (IBM licensed, 1983) |
Country/Region of Manufacture: |
United States |
Condition: |
Used – Inspected and in Good Condition |
Seller Notes: |
Card only; no cables or software included. |
FCC ID: |
AH986AB4TS15 |
Condition Notes: |
IBM 6448800XM ISA Serial/Parallel Adapter Card inspected and in good condition. PCB clean, connectors intact, DIP switches present. Normal shelf wear. Card only, no cables. |