The Risc PC 600

RiscPC 600 2M HD210

• 2048Kb Memory. (No VRAM)
• Advanced Disc Filing System by default with a High Density drive.
• IDE interface by default. (210 Mb.)
• ARM 610 processor (30 MHz)
• 16 MHz RAM.
• 2048k OS in ROM.
• ~26 MIPS. (Arbitrary estimate.)

RiscPC 600 5M HD210

• 4096Kb Memory. (1Mb of VRAM)
• Advanced Disc Filing System by default with a High Density drive.
• IDE interface by default. (210 Mb.)
• ARM 610 processor (30 MHz)
• 16 MHz RAM.
• 2048k OS in ROM.
• ~26 MIPS. (Arbitrary estimate.)

RiscPC 600 9M HD420

• 8192Kb Memory. (1Mb of VRAM)
• Advanced Disc Filing System by default with a High Density drive.
• IDE interface by default. (420 Mb.)
• ARM 610 processor (30 MHz)
• 16 MHz RAM.
• 2048k OS in ROM.
• ~26 MIPS. (Arbitrary estimate.)

The above details are taken from the Comp.Sys.Acorn FAQ by Philip R. Banks.