NexGen Nx586, Nx587 and Nx686

NexGen Manuals

NexGen Nx586 Processor Databook (scan)
More NexGen manuals (as searchable PDFs) at bitsavers.org here and here

NexGen Nx586 System BIOS

Inside the NexGen Nx586 System BIOS
NXOP (Opcode 0Fh 55h)
Hyper code sources

Chip Markings

CPU / FPU Markings

VESA Local Bus (VLB) Motherboard

VLB Motherboard Data
VLB Motherboard User's Manual

Peripheral Component Interconnect (PCI) Motherboard

PCI Motherboard Data
PCI Motherboard User's Manual
PCI Troubleshooting Guide

Author: Herbert Oppmann (email adress) updated: 2019-01-22