| I.B.M 5250 Emulator | 1988 | I.B.M and Compatibles | 8bit ISA | Communication | I.B.M |
| Intel IBM 10/100 Ethernet Card | 2002 | I.B.M and Compatibles | PCI | Ethernet Card | I.B.M | Intel Corporation |
| Intel IBM 10/100 Ethernet Card | 2002 | I.B.M and Compatibles | PCI | Ethernet Card | I.B.M | Intel Corporation |
| Intel Ethernet PCI | 1995 | I.B.M and Compatibles | PCI | Ethernet Card | I.B.M | Intel Corporation |
| I.B.M Token Ring Adapter | 1993 | I.B.M and Compatibles | 16bit ISA | Token Ring Card | I.B.M |
| I.B.M Token Ring Adapter | 1994 | I.B.M and Compatibles | Token Ring Card | MCA Bus | I.B.M |
| Intel Ethernet SB82558B | 1999 | I.B.M and Compatibles | PCI | Ethernet Card | Compaq Computer Company | Intel Corporation |
| IBM 6181682 Floppy Controller | 1984 | I.B.M and Compatibles | 8bit ISA | Floppy Controller | I.B.M |
| IBM 6181682XM Floppy Controller | 1983 | I.B.M and Compatibles | 8bit ISA | Floppy Controller | I.B.M |
| IBM 6181682XM Floppy Controller | 1983 | I.B.M and Compatibles | 8bit ISA | Floppy Controller | I.B.M |
| IBM 6181682 Floppy Controller | 1985 | I.B.M and Compatibles | 8bit ISA | Floppy Controller | I.B.M |
| IDE Controller Card | 1990 | I.B.M and Compatibles | 16bit ISA | IDE Controller | Floppy Controller | Unknown Manufacturer |
| IBM Async Controller | 1984 | I.B.M and Compatibles | 8bit ISA | Serial Port | I.B.M |
| I/O Card V1.0 | 1991 | I.B.M and Compatibles | 8bit ISA | Parallel Port | Serial Port | Winbond Electronics Corporation |
| IBM Async Controller | 1983 | I.B.M and Compatibles | 8bit ISA | Serial Port | I.B.M |
| IBM Expansion Receiver Card 1501426 | 1983 | I.B.M and Compatibles | 8bit ISA | Expansion Card | I.B.M |
| I.B.M 1503388 16KB-64KB Mainboard | 1982 | I.B.M and Compatibles | 8bit ISA | Box F1 (Mainboards) | Mainboard | 8088 | I.B.M |
| IDE Controller Card | 1988 | I.B.M and Compatibles | 16bit ISA | Parallel Port | IDE Controller | Floppy Controller | Serial Port | Unknown Manufacturer |
| IBM Mouse Model 13H6690 | 1990 | I.B.M and Compatibles | Mouse | PS/2 | Retrobrite | I.B.M |
| IBM 6181682 Floppy Controller | 1984 | I.B.M and Compatibles | 8bit ISA | Floppy Controller | I.B.M |
| IDE Controller Card | 1991 | I.B.M and Compatibles | 16bit ISA | Parallel Port | IDE Controller | Floppy Controller | Serial Port | Unknown Manufacturer |
| Intel Ethernet ISA | 1994 | I.B.M and Compatibles | 16bit ISA | Ethernet Card | Intel Corporation |
| Intel Ethernet ISA | 1994 | I.B.M and Compatibles | 16bit ISA | Ethernet Card | Intel Corporation |
| I.B.M 1501989 64-256KB Memory Card | 1984 | I.B.M and Compatibles | 8bit ISA | Memory Expansion Card | Box G1 (Memory) | I.B.M |
| I.B.M 1501483 Black and White Parallel Card | 1983 | I.B.M and Compatibles | 8bit ISA | MDA Graphics Card | Parallel Port | I.B.M |
| I.B.M 1501985 Black and White Parallel Card | 1983 | I.B.M and Compatibles | 8bit ISA | MDA Graphics Card | Parallel Port | I.B.M |
| I.B.M 1501486 Color Graphics Card | 1984 | I.B.M and Compatibles | 8bit ISA | CGA Graphics Card | I.B.M |
| I.B.M / Xebec 62X0786 MFM Controller Card | 1986 | I.B.M and Compatibles | 8bit ISA | MFM Controller | I.B.M | Xebec |
| I.B.M / Xebec 62X0786 MFM Controller Card | 1986 | I.B.M and Compatibles | 8bit ISA | MFM Controller | I.B.M | Xebec |
| I.B.M / Xebec 1816101 MFM Controller Card | 1983 | I.B.M and Compatibles | 8bit ISA | MFM Controller | I.B.M | Xebec |