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IBM

IBM 6448800XM 8-Bit ISA Serial Parallel Adapter Card XT AT 110-6135932-01

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SKU:
40953
MPN:
IBM 6448800XM
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
1.00 LBS
Shipping:
Calculated at Checkout
  • IBM 6448800XM 8-bit ISA Serial Parallel Adapter Card – component side showing PCB layout, DB25 parallel and DB9 serial port brackets
  • IBM 6448800XM ISA Serial Parallel Adapter Card – solder side showing PCB traces and part number 220-6135932-01 label
  • IBM 6448800XM close-up showing MMI 1503085 chip with 1983 IBM mark, DIP switches J1 and J2, and part number 110-6135932-01 silkscreen
  • IBM 6448800XM ISA Serial Parallel Adapter Card – bracket-side view showing DB25 parallel port and DB9 serial port connectors
$45.00
Was: $90.00
Current Stock: 1

Sold Out

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.

Condition: Used
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.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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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.
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