HP F1081-60931 - I/O door/cover - For serial, video out, & mouse/keyboard ports largest of the two doors/covers on rear of OmniBook Retail
HP F1451-60903 - Simple port replicator - Includes serial, parallel, video, mouse, keyboard, and USB ports, headphone/speaker out, line-in and MIC-i Retail
HP F1125-60953 - I/O bracket - Mounted on rear of system board - For OmniBooks WITH a SCSI port Retail
Hewlett-Packard (HP) F1125-60913 - "Y" Cable Adapter for Keyboard and Mouse Sale $29.00 Retail $79.00