Model 90 XP, 90 XP Server
 
Reference Disk (Type 0 Processor Complex) v1.0 (09-25-90, 1.44MB)
This disk is for model/type 8590-402 (a special bid machine) that had a complex with a 386DX-20 CPU
rf90386a

 
Reference Disk (Type 1 Processor Complex) v1.31 (11-02-92, 1.44MB)
rf90951a


Reference Disk (Type 2 Processor Complex) v1.21 (11-03-92, 1.44MB)
rf90952a

 
Reference Disk (Type 3 Processor Complex) v1.11 (11-03-92, 1.44MB)
rf90953a

 
Diagnostic Disk v2.33 (08-25-95, 1.44MB) 
rd9095a