| Sun Enterprise 420R Server Owner's Guide | ||
| Sun Enterprise 420R Server Service Manual | ||
| Sun Enterprise 420R Server Product Notes (January 2000) | ||
| Sun Enterprise 420R Server Setup and Rackmounting Guide | ||
| Sun Flash PROM Guide for Workstations and Workgroup Servers - Standalone Version | HTML | |
| Sun 450 MHz UltraSPARC-II Module Upgrade | ||
| Rackmount Placement Matrix |