Although the R4X00 microprocessor
is fast being eclipsed by the R8000 and R10000,
relevant and useful information continues
to be produced regarding this chip.Processor Types for Indigo, Indigo2 and Indy Systems, January, 1996
R8000 and R4400 Implementations section from Extended MIPS Floating-Point Architecture from Chapter 5: Runtime Issues in the MIPSpro(TM) 64-Bit Porting and Transition Guide, 3/96