Microcom Deskporte ES 14.4 Modem Driver 26-0000398-005A

Microcom Deskporte ES 14.4 Modem Driver 26-0000398-005A

The Microcom Deskporte ES is a 14.4 Kbps modem driver card designed for IBM-compatible personal computers of the 1980s and early 1990s. This ISA bus expansion card provides serial modem connectivity and was commonly used in desktop and tower systems running MS-DOS and early Windows operating systems.

Specifications & What's Included

• Manufacturer: Microcom
• Model: Deskporte ES 14.4
• Part Number: 26-0000398-005A
• Modem Speed: 14.4 Kbps
• Interface: ISA (Industry Standard Architecture) expansion bus
• Connection Type: Serial/RS-232
• Form Factor: Full-length ISA card
• Compatible with: IBM PC, XT, AT, 286, 386, 486, and Pentium-era computers
• Pulled from a working environment

Applications

This modem card was designed for users who needed dial-up internet and bulletin board system (BBS) connectivity on personal computers during the pre-broadband era. The Deskporte ES was a standard choice for business users, hobbyists, and telecommunications enthusiasts who relied on phone-line data transmission in the late 1980s and throughout the 1990s. These cards remain sought-after components for vintage computer restoration, retro-computing builds, and systems preservation, particularly for anyone maintaining or recreating period-accurate computing environments from that era. The 14.4 Kbps modem standard was a significant advancement over earlier 2400 and 9600 baud modems and represented the practical limit of dial-up analog telephone line performance before the transition to digital broadband technologies.