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− | CPU types | + | '''CPU types''' |
− | The [[Silicon Graphics]] IRIS Indigo has been available with two
| + | |
− | completely different versions of CPU boards and a total of three
| + | The [[Silicon Graphics]] IRIS Indigo has been available with two |
− | different Mips RISC CPUs.
| + | completely different versions of CPU boards and a total of three |
− |
| + | different Mips RISC CPUs. |
| + | <pre> |
| CPU clockspeed CPU module CPU board | | CPU clockspeed CPU module CPU board |
| Mips R3000A 33 MHz *----- HP1 -----* | | Mips R3000A 33 MHz *----- HP1 -----* |
| Mips R4000SC 50/100 MHz PM1 HP2 | | Mips R4000SC 50/100 MHz PM1 HP2 |
| Mips R4400SC 75/150 MHz PM2 HP2 | | Mips R4400SC 75/150 MHz PM2 HP2 |
| + | </pre> |
| + | In the rest of this document "Indigo" will be used if the type of |
| + | CPU installed does not matter. "R3K Indigo" is the term used for |
| + | Indigos based on R3000 processors and "R4K Indigo" will be used |
| + | when machines using R4000 or R4400 processor are meant. |
| | | |
− | In the rest of this document "Indigo" will be used if the type of
| + | '''GFX options''' |
− | CPU installed does not matter. "R3K Indigo" is the term used for
| + | |
− | Indigos based on R3000 processors and "R4K Indigo" will be used
| + | There are two entirely different types of graphics options. One is |
− | when machines using R4000 or R4400 processor are meant.
| + | called "Entry-Level-Graphics" or "Starter-Graphics" (LG1/LG2) and is |
− |
| + | a simple 8bit framebuffer. The second type is actually a complete |
− | 1.2 GFX options
| + | family of graphics options built from the same components and is |
− | There are two entirely different types of graphics options. One is
| + | called "Express Graphics". |
− | called "Entry-Level-Graphics" or "Starter-Graphics" (LG1/LG2) and is
| + | <pre> |
− | a simple 8bit framebuffer. The second type is actually a complete
| |
− | family of graphics options built from the same components and is
| |
− | called "Express Graphics".
| |
| name color z-buffer GEs connectors | | name color z-buffer GEs connectors |
| LG1 8bit none none 13W3, HD15 | | LG1 8bit none none 13W3, HD15 |
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| GR2-XZ 24bit yes 2 13W3, BNC, minDIN | | GR2-XZ 24bit yes 2 13W3, BNC, minDIN |
| GR2-Elan 24bit yes 4 13W3, BNC, minDIN | | GR2-Elan 24bit yes 4 13W3, BNC, minDIN |
| + | </pre> |
| + | |
| + | '''Markings''' |
| + | |
| + | All Indigos have/had markings that showed the configuration the |
| + | machine was sold with. It is not recommended to rely on this |
| + | information because parts may have been swapped or the machine |
| + | could have been upgraded. |
| + | R3K Indigos have the name of the graphics option printed on the |
| + | drive door. Possible values are "Elan", "XZ", "XS24", "XS" and |
| + | "Data Station". |
| | | |
− | 1.3 Markings
| + | On R4K Indigos plastic badges are used to denote the type of |
− | All Indigos have/had markings that showed the configuration the
| + | graphics option: "Elan 4000" (yellow), "XZ 4000" (green), "XS24 |
− | machine was sold with. It is not recommended to rely on this
| + | 4000" (green), "XS 4000" (green), "Entry 4000" (red) and |
− | information because parts may have been swapped or the machine
| + | "Server 4000" (grey). |
− | could have been upgraded.
| |
− | R3K Indigos have the name of the graphics option printed on the
| |
− | drive door. Possible values are "Elan", "XZ", "XS24", "XS" and
| |
− | "Data Station".
| |
− |
| |
− | On R4K Indigos plastic badges are used to denote the type of
| |
− | graphics option: "Elan 4000" (yellow), "XZ 4000" (green), "XS24
| |
− | 4000" (green), "XS 4000" (green), "Entry 4000" (red) and
| |
− | "Server 4000" (grey).
| |
| | | |
− | Again: Do *not* rely on the badge or the words on the drive door!
| + | Again: Do *not* rely on the badge or the words on the drive door! |
| | | |
| === CPU Options === | | === CPU Options === |