Model Summaries Overview

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This table lists an overview of all the machines from SGI up to the O2. Please get in touch if there are any ommisions, errors, etc.

PM1 – based on a design licensed from Andy Bechtolsheim, Stanford (before SUN).

IP = “Inhouse Processor”

Proc Model Name CPU Speed Comment
PM1 IRIS 1000 68000/68010 8 Mhz Terminal, 10 slot chassis
PM1 IRIS 1200 68000/68010 8 Mhz Terminal, 10 slot chassis
PM1 IRIS 1400 68000/68010 8 Mhz Workstation, (disk & O/S)
IP1 IRIS 2000 68010 10 Mhz Terminal, 10 slot chassis
IP1 IRIS 2200 68010 10 Mhz Terminal, 20 slot chassis
IP1 IRIS 2400 68010 10 Mhz Workstation, (disk & O/S)
IP1 IRIS 2500 68010 10 Mhz Rack Workstation, (disk & O/S)
IP2 IRIS 3020 68020 16 Mhz 10 GEs, 8 bits, 4/16 MB RAM
IP2 IRIS 3030 68020 16 Mhz 10 GEs, 32 bits, 8/16 MB RAM
IP2 IRIS 3115 68020 16 Mhz 12 GEs, 8 bits, 4/8 MB RAM
IP2 IRIS 3120 68020 16 Mhz 12 GEs, 8 bits, 4/16 MB RAM, 72 MB disk
IP2 IRIS 3120B 68020 16 Mhz 12 GEs, 8 bits, 4/16 MB RAM, 170 MB disk
IP2 IRIS 3130 68020 16 Mhz 12 GEs, 32 bits, 8/16 MB RAM, FPU
R2300 4D/60 R2300 8 Mhz
IP4 4D/70 R2000 12.5 Mhz VME bus
IP4 4D/50 R2000 8 Mhz Marketing variant of 4D/70, VME bus
IP4.5 4D/80,85 (IP4) R2000 16.67 Mhz VME bus
IP5 4D/1×0 2x R2000 16.67 Mhz MP bus, 1-2 cpu boards
IP6 4D/20 R2000 12.5 Mhz Personal Iris
IP7 4D/2×0 2x R3000 25 Mhz MP bus, 1-4 cpu boards
IP9 4D/210 (IP7) R3000 25 Mhz put memory onto cpu board to reduce cost
IP10 4D/25 (IP6) R2000 20 Mhz
IP12 Indigo R3000 33 Mhz
IP14 4D/30 (IP12) R3000 30 Mhz redesign to fit the PI chassis
IP14 4D/35 (IP12) R3000 36 Mhz redesign to fit the PI chassis
IP13 4D/3×0 (IP7) 1,2x R3000 33 Mhz MP bus, 1-4 cpu boards
IP15 4D/4×0 (IP7) 2x R3000 40 Mhz MP bus, 1-4 cpu boards
IP17 Crimson R4000 100 Mhz
IP17 Crimson R4400 150 Mhz
IP19 Onyx L/XL 1,2,4x R4400 100,150,200,250 Mhz 1-6 cpu boards
IP19 Challenge L/XL 1,2,4x R4400 100,150,200,250 Mhz 1-9 cpu boards
IP20 Indigo R4000 100 Mhz
IP20 Indigo R4400 150 Mhz
IP21 Power Onyx 1,2x R8000 75,90 Mhz 1-6 cpu boards
IP21 Power Challenge 1,2x R8000 75,90 Mhz 1-9 cpu boards
IP22 Indigo2 R4600SC 133,175 Mhz
IP22 Indigo2 R4400 100,150,200,250 Mhz
IP24 Indy (IP22) R4000PC 100 Mhz
IP24 Indy (IP22) R4000SC 100 Mhz
IP24 Indy (IP22) R4600PC 100,133 Mhz
IP24 Indy (IP22) R4600SC 133 Mhz 512K Secondary Cache
IP24 Indy (IP22) R4400SC 150,175 Mhz 1MB Secondary Cache
IP25 Onyx, Challenge R10000 190 Mhz
IP26 Power Indigo2 R8000 75 Mhz
IP27 Origin 200/2000 R10000 180/195 Mhz
IP28 Indigo2 R10000 190 Mhz
IP30 Indy (IP22) R5000PC 150 Mhz
IP30 Indy (IP22) R5000SC 150,180 Mhz
IP32 O2 R5000 180 Mhz
IP32 O2 R10000 180 Mhz
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  1. […] overview of the entire Silicon Graphics product line, up to early O2s, you want to look at the Model Overview […]