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For Older IBM AS400 Models
IBM Legacy AS/400 Ethernet, LAN & WAN Adapters – PCI Network Cards
Discover a complete selection of genuine IBM compatible Ethernet adapters for older AS/400 and iSeries systems, including Gigabit and 10/100 Mbps copper/fiber options, PCI-based Ethernet IOAs, and WAN/modem connectivity solutions. These network cards deliver reliable performance for classic OS/400 workloads on legacy models such as 9406 series, early iSeries (e.g., 150, 170, 720, 820, 270, 500–800), and compatible configurations.
Why Choose IBM Legacy AS/400 Network Adapters?
Older IBM AS/400 and iSeries systems rely on proven PCI Ethernet, LAN, and WAN adapters for stable networking in enterprise environments. Options include copper UTP for standard twisted-pair setups, multimode fiber for higher speeds, full-duplex Gigabit/100 Mbps support, and WAN/modem IOAs for remote access. These adapters provide IEEE 802.3 compliance where applicable, multi-protocol support on WAN cards, and compatibility with OS/400 versions typical for legacy hardware. Feature codes (where available) and IOA designations ensure precise matching to older AS/400 configurations.
Available IBM Legacy AS/400 Ethernet & Network Adapters
- IBM 2617 85F9107 Ethernet Adapter — High-performance Ethernet/IEEE 802.3 network adapter. Reliable server connectivity for classic AS/400 LAN environments. Part/FRU: 85F9107.
- IBM 2723 PCI Ethernet IEEE 802.3 Adapter — PCI Ethernet adapter supporting half/full-duplex modes. Supplies Ethernet V2 and IEEE 802.3 MAC plus IEEE 802.2 LLC for AS/400 attachment.
- IBM 2743 1Gbps PCI Ethernet IOA — 1 Gbps Ethernet IOA attaching to IEEE 802.3z high-speed LANs or 100 Mbps Ethernet via switches. Gigabit performance upgrade for iSeries servers.
- IBM 2760 PCI 1Gbps Ethernet UTP IOA — 1 Gbps Ethernet UTP IOA for IEEE 802.3z high-speed LANs. Improves network performance on compatible AS/400 and iSeries systems.
- IBM 2793 PCI 2-Line WAN w/Modem — Feature #9793 base. 2-line WAN with modem (non-CIM version, most countries). Port 0 modem support for remote AS/400 connectivity.
- IBM 2805 PCI Quad Modem IOA — Four-line WAN modem IOA with RJ-11 ports. Supports V.92 56K Async SLIP/PPP and V.34 Fax up to 33.6K via internal modems.
- IBM 2838 100/10Mbps PCI Ethernet IOA — Single-port 100/10 Mbps Ethernet IOA. Attaches to high-speed 100 Mbps Ethernet LANs and existing 10 Mbps networks via RJ45 UTP-5.
- IBM 2721 PCI Two Line WAN MultiProtocol Communications IOA — Supports up to two multiprotocol WAN ports. Compatible with cables like #0348 V.24/EIA232. Attaches to MFIOP on AS/400 systems.
- IBM 2742 PCI Two-Line WAN IOA — Supports up to two multiprotocol (RVX) WAN ports. Uses cables like #0348 or #0349 for AS/400 wide-area connectivity.
- IBM 2745 PCI Two Line WAN IOA — Supports up to two multiprotocol communications ports. Compatible with standard WAN cables for legacy AS/400 environments.
- IBM 2772 Dual WAN/Modem Adapter — Dual-port WAN/modem with RJ11. Supports V.90 56K Async PPP and fax up to 14.4K via internal modems for telephone-line connectivity.
Compatibility & Support
These adapters are compatible with older IBM AS/400 and early iSeries systems, including but not limited to 9406 series models (e.g., 170, 270, 500–800, 720, 730, 740, 810, 820), early iSeries servers (e.g., models 150, 170, and similar), and compatible PCI slots and configurations on legacy hardware.
Refer to individual product pages for exact slot priorities, maximum quantities, OS/400 support details, and installation notes. All items include a 60-day limited warranty.