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K
Service Source
Power Macintosh 8100/
WS 8150
Power Macintosh 8100/80 and 8100/80AV, Power
Macintosh 8100/100 and 8100/100AV, Power
Macintosh 8100/110, Workgroup Server 8150,
Workgroup Server 8150/110
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K Service Source Basics Power Macintosh 8100/WS 8150
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Basics Power Macintosh System Overview - 1 Power Macintosh System Overview PowerPC microprocessors are a family of processors built on reduced instruction-set computing (RISC) technology. RISC processors streamline the internal workings of computers. Whereas traditional (complex instruction-set computing, or CISC) processors contain a wide variety of instructions to handle many different tasks, RISC processors contain only those instructions that are used most often. When a complex i
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Basics Power Macintosh System Overview - 2 Previously, RISC technology had been used only in high-end workstations and commercial database servers. With the introduction of Macintosh PowerPC computers, Apple succeeded in bringing RISC technology to personal computing. Key Points Three key points to remember about a PowerPC processor- based Macintosh system: It's a Macintosh; it's compatible; it offers tremendous performance. Apple's PowerPC computers feature the same user interface a
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Basics Power Macintosh System Overview - 3 Compatibility is not limited just to applications. INITs, CDEVs, drivers, and other Macintosh utility software also work on PowerPC processor-based Macintosh systems. So do AppleTalk devices (such as printers), SCSI devices (such as hard drives and scanners), ADB devices (such as mice, trackballs, and keyboards), and other Macintosh cards and peripherals. The primary operating system for PowerPC processor- based Macintosh computers is System 7
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Basics Power Macintosh System Overview - 4 of the fastest 68040- and 80486-based personal computers, the real promise of PowerPC technology is that it enables Apple and other developers to deliver new software capabilities on Macintosh systems that were previously available only on high-end workstations. Troubleshooting Tips When troubleshooting Power Macintosh systems, keep in mind the following: 1 If a Power Macintosh system does not power up, you should first attempt to reset the
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Basics Power Macintosh System Overview - 5 provided in the Symptom Charts section of the Troubleshooting chapter under the “System” topic heading. 3 If a Power Macintosh system has bad RAM SIMMs installed, you will not hear death chimes. Instead, a dialog box will appear alerting you to the fact that a bad RAM SIMM has been detected. Additional troubleshooting information is provided in the Symptom Charts section of the Troubleshooting chapter under the “System” topic heading. 4 If t
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Basics Power Macintosh System Overview - 6 5 The Power Macintosh AV systems use the same logic board as the non-AV versions. The only difference is that the AV versions have the Power Macintosh AV Card installed in the PDS slot. The Power Macintosh 7100/66 and 8100/80 systems must have a video card installed in the PDS slot. The Power Macintosh 7100/66 system uses the Power Macintosh 2 MB Video Card and the Power Macintosh 8100/80 system uses the Power Macintosh 4 MB Video Car
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Basics HDI-45 Pinouts - 7 HDI-45 Pinouts This section includes an illustration of the HDI-45 connector and a table containing the pinout descriptions. Figure: HDI-45 Connector on the Logic Board
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Basics HDI-45 Pinouts - 8 Table: HDI-45 Pinouts Pin Description 1 Analog audio ground 2 Audio input shield 3 Left channel audio input 4 Right channel audio input 5 Left channel audio output 6 Right channel audio output 7 Reserved 8 Monitor ID sense line 1 9 Monitor ID sense line 2 10 Green ground (shield)
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Basics HDI-45 Pinouts - 9 Pin Description 11 Green video output (75Ω) 12 Video input power ground 13 Power for camera +5 V 14 Reserved 15 Reserved 16 Reserved 17 Reserved 18 Monitor ID sense line 3 19 S-video input shield 20 S-video input luminance (Y) 21 S-video input chroma (C)
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Basics HDI-45 Pinouts - 10 Pin Description 22 Reserved 23 Reserved 24 Reserved 25 Reserved 26 Red ground (shield) 27 Red video output (75Ω) 2 28 I C data signal 2 29 I C clock signal 30 Reserved 31 Monitor ID 32 Monitor ID
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Basics HDI-45 Pinouts - 11 Pin Description 33 Vertical sync signal 34 Composite sync signal 35 ADB power +5 V 36 ADB ground 37 ADB data 38 Keyboard switch 39 Reserved 40 Reserved 41 Monitor ID 42 Horizontal sync signal 43 Video sync ground
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Basics HDI-45 Pinouts - 12 Pin Description 44 Blue ground (shield) 45 Blue video output (75Ω)
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Basics Rear Panel Connectors - 13 Rear Panel Connectors The figure on the following page shows a Power Macintosh 8100 computer with a 4 MB Video Card installed. The AV version of the Power Macintosh 8100 would have a Power Macintosh AV Card installed instead of the 4 MB Video Card. In addition to a DB-15 connector, the AV Card includes an S- Video Input and an S-Video Output port.
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Basics Rear Panel Connectors - 14 Power-On SCSI Ethernet HDI-45 Video Printer DB-15 Modem ADB Sound Out Sound In Power Macintosh 8100 Rear Panel
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Basics Logic Board Connectors - 15 Logic Board Connectors The figure on the following page shows a Power Macintosh 8100/80 logic board. Caution: It is important to note that the Power Macintosh 8100/100 and 8100/110 Series logic boards have a thermoelectrical cooling device that attaches directly to the microprocessor’s heatsink. You can identify this cooling device by the black and red wires that run to the right of the heatsink and plug into the logic board via a keyed connecto
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Basics - 16 Speaker Power CD-ROM/ CD-ROM Floppy Tape SCSI Supply Audio LED Drive Power On DRAM SIMMs SCSI Ethernet PowerPC 601 Chip HDI-45 Video 8 MB Soldered DRAM Printer Modem Hard Drive SCSI ADB Sound Out Sound In ROM NuBus 601 L2 Cache Slot Slots PDS Slot
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Basics Apple RAID Software - 17 Apple RAID Software Apple RAID (Redundant Array of Independent Disks) software protects data from loss during a disk failure and enhances the speed of data storage and retrieval. It is available for all Power Macintosh Workgroup servers. Data protection is achieved through disk mirroring, a data storage scheme in which identical data is stored on two different disks. Apple RAID can also be configured for disk striping, a data storage scheme in which suc
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Basics Apple RAID Software - 18 • If you wish to use your server's startup disk for Apple RAID, do not install the Apple RAID program on your startup disk until you have initialized and set up new volumes on that disk. Before you initialize the startup disk, back up all valuable data. • You must reinitialize all disks on which you will use Apple RAID volumes. Initializing with Apple RAID removes all data, so be sure to back up your disks first. • Apple HD SC Setup does not recognize Ap
