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| + | [* red] Remove these screws to separate the VCAM from the IO4 board |
|---|---|
| + | [* violet] The VCAM interfaces the computer to the VME bus and graphics (PowerChannel bus) |
| + | [* blue] PowerChannel controller ASICs |
| + | [* green] HIO expansion connections for disk, graphics, audio, or other peripherals; and controller ASICs |
| + | [* yellow] Dallas real-time clock and battery backed NVRAM |
| + | [* orange] WD33C95A SCSI controllers |
| + | [* violet] VME interface and glue logic |
| + | [* black] SCSI riser boards. Red is differential, green is single-ended. System can be configured for two diff, two SE, or one of each. |
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