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Apple designed iMac with a very sharp, 15-inch internal display and no video-out port to the iMac is not supported by Apple. Hot Issues External Displays Not Supported - 6 External Displays Not Supported Connecting an external display to connect a second display. for more information. The db-15 port on the iMac was not designed to Tech Info Library (TIL) article #43016, "iMac: Can I Attach an External Display?" Refer to support an external monitor.
Apple designed iMac with a very sharp, 15-inch internal display and no video-out port to the iMac is not supported by Apple. Hot Issues External Displays Not Supported - 6 External Displays Not Supported Connecting an external display to connect a second display. for more information. The db-15 port on the iMac was not designed to Tech Info Library (TIL) article #43016, "iMac: Can I Attach an External Display?" Refer to support an external monitor.
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Hot Issues iMac Updates - 8 and those previously released in iMac Update 1.0. This update improves the ability of iMac to Ensure Firmware Update is Successful If you install iMac Update 1.1. • TIL article # 58370, iMac: How to identify USB devices when starting up, improves the startup time when many USB devices are connected, and enables new USB solutions. You do not have to install iMac Update 1.0 before you performed the iMac firmware update and it was not successful, this article provides some additional assistance ensuring the update is successful.
Hot Issues iMac Updates - 8 and those previously released in iMac Update 1.0. This update improves the ability of iMac to Ensure Firmware Update is Successful If you install iMac Update 1.1. • TIL article # 58370, iMac: How to identify USB devices when starting up, improves the startup time when many USB devices are connected, and enables new USB solutions. You do not have to install iMac Update 1.0 before you performed the iMac firmware update and it was not successful, this article provides some additional assistance ensuring the update is successful.
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...Apple PlainTalk Microphone that comes with long-life battery • Fan speed thermally controlled • Energy Saver control panel • Built-in 2D and 3D hardware graphics acceleration via ATI Rage IIc graphics controller ASIC The sound input port also supports a standard stereo (miniplug-to-RCA) cable adapter for connecting... ATA connectors: one supports the hard disk drive and one supports the CD-ROM drive • Two 3.5 millimeter (mm) headphone jacks • One 3.5 mm sound output port for stereo sound output • One 3.5 mm sound input port for connection to your computer...
...Apple PlainTalk Microphone that comes with long-life battery • Fan speed thermally controlled • Energy Saver control panel • Built-in 2D and 3D hardware graphics acceleration via ATI Rage IIc graphics controller ASIC The sound input port also supports a standard stereo (miniplug-to-RCA) cable adapter for connecting... ATA connectors: one supports the hard disk drive and one supports the CD-ROM drive • Two 3.5 millimeter (mm) headphone jacks • One 3.5 mm sound output port for stereo sound output • One 3.5 mm sound input port for connection to your computer...
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...IrDA. The lens in the Control Panels or Extensions folder. There is also a minimum 3-foot distance for recognizing other Apple products, you will not be in the rear of infrared the iMac is currently set to use. The new lens has about a 30 degree viewing angle. For infrared options to work ...there are three drivers that are not present or disabled, you will notice a difference with other Infrared devices. Basics New Technologies - 1 2 Infrared connections that must be able to make infrared connections from the iMac. If you have used infrared communications with...
...IrDA. The lens in the Control Panels or Extensions folder. There is also a minimum 3-foot distance for recognizing other Apple products, you will not be in the rear of infrared the iMac is currently set to use. The new lens has about a 30 degree viewing angle. For infrared options to work ...there are three drivers that are not present or disabled, you will notice a difference with other Infrared devices. Basics New Technologies - 1 2 Infrared connections that must be able to make infrared connections from the iMac. If you have used infrared communications with...
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USB allows end users to overcome limitations of earlier peripheral connection technologies. USB technology can include keyboards, mice, joysticks, telephones, scanners, printers, security dongles, microphones, speakers, floppy drives, cameras, modems, CD-ROM drives, etc. USB was ...
USB allows end users to overcome limitations of earlier peripheral connection technologies. USB technology can include keyboards, mice, joysticks, telephones, scanners, printers, security dongles, microphones, speakers, floppy drives, cameras, modems, CD-ROM drives, etc. USB was ...
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...addition, USB provides the user with • A "tiered star hub" network topology (see diagram later in this section) allowing for the connection of up to hassle with • Shutting down/restarting the computer • Opening the computer case • Installing a card • ID... device drivers (although some devices directly through the USB cable • Two data speeds for some devices may require a one-time driver installation). Basics New Technologies - 1 4 connect peripheral devices to a host computer on the fly, without having to 127 devices per host computer • Two simple,...
...addition, USB provides the user with • A "tiered star hub" network topology (see diagram later in this section) allowing for the connection of up to hassle with • Shutting down/restarting the computer • Opening the computer case • Installing a card • ID... device drivers (although some devices directly through the USB cable • Two data speeds for some devices may require a one-time driver installation). Basics New Technologies - 1 4 connect peripheral devices to a host computer on the fly, without having to 127 devices per host computer • Two simple,...
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...Type B plug built into the device. "Downstream" means moving up the device chain, in the direction of the host computer. High speed connections (12 Mbps) use shielded cabling to the host computer or an upstream hub. Basics New Technologies - 1 7 The Type A plug (pictured on ...the left) connects to reduce interference at higher connection rates, while low speed (1.5 Mbps) may not. Figure 2 on the right) connects downstream to the USB device. The Type B plug (pictured on the next page illustrates this concept...
...Type B plug built into the device. "Downstream" means moving up the device chain, in the direction of the host computer. High speed connections (12 Mbps) use shielded cabling to the host computer or an upstream hub. Basics New Technologies - 1 7 The Type A plug (pictured on ...the left) connects to reduce interference at higher connection rates, while low speed (1.5 Mbps) may not. Figure 2 on the right) connects downstream to the USB device. The Type B plug (pictured on the next page illustrates this concept...
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USB also provides a faster connection and a larger number of use. For example, with just one available USB socket, a customer could: • plug in a scanner, scan a photo, unplug the scanner • then plug in a printer, print that photo, unplug the printer ...
USB also provides a faster connection and a larger number of use. For example, with just one available USB socket, a customer could: • plug in a scanner, scan a photo, unplug the scanner • then plug in a printer, print that photo, unplug the printer ...
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There is only one host per USB network, and as such USB is made up of the following components: • An operating system that supports USB. (Both iMac and Windows 98 support USB.) • A host, typically a controller chip set residing in the personal computer, controls the USB... system and allocates bandwidth per device. The USB host typically provides two or three Type A ports via an internal hub (inside the computer case) for connecting ...
There is only one host per USB network, and as such USB is made up of the following components: • An operating system that supports USB. (Both iMac and Windows 98 support USB.) • A host, typically a controller chip set residing in the personal computer, controls the USB... system and allocates bandwidth per device. The USB host typically provides two or three Type A ports via an internal hub (inside the computer case) for connecting ...
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Note: USB ports, cables, and plugs are often labeled with the standard USB symbol shown in the previous illustration) are only available from hubs. Figure 4: Standard USB Symbol If a device (like a keyboard or display) has Type A ports for additional devices to connect to identify, map out, and troubleshoot hub and device connectivity. This information is good to know when you need to , it must have an internal hub. Basics New Technologies - 2 2 Note: Type A ports (as shown in the following illustration.
Note: USB ports, cables, and plugs are often labeled with the standard USB symbol shown in the previous illustration) are only available from hubs. Figure 4: Standard USB Symbol If a device (like a keyboard or display) has Type A ports for additional devices to connect to identify, map out, and troubleshoot hub and device connectivity. This information is good to know when you need to , it must have an internal hub. Basics New Technologies - 2 2 Note: Type A ports (as shown in the following illustration.
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... bus-powered hubs, since not enough power is not a always the case. Note: When troubleshooting power errors that buspowered hubs can connect to the 127 device limit (see the example tree diagram below). Hubs can be "self-powered" by an external power source (like an AC adapter). ... hubs provide 4 Type A ports, but this is provided to other items (displays, keyboards, etc.). Hubs also provide device detection, speed matching, and power control. Hubs connect to extend the USB properly, users should alternate self-powered and bus-powered hubs. Hubs can also...
... bus-powered hubs, since not enough power is not a always the case. Note: When troubleshooting power errors that buspowered hubs can connect to the 127 device limit (see the example tree diagram below). Hubs can be "self-powered" by an external power source (like an AC adapter). ... hubs provide 4 Type A ports, but this is provided to other items (displays, keyboards, etc.). Hubs also provide device detection, speed matching, and power control. Hubs connect to extend the USB properly, users should alternate self-powered and bus-powered hubs. Hubs can also...
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Like hubs, devices may be "bus-powered" by the USB network, or be deceiving, since some devices are combined with hubs in the same physical case. Devices cannot connect directly to the host using either the 1.5 or the 12 Mbps connection speed. Devices connect to devices, but looks can only connect to the computer. Basics New Technologies - 2 4 • Devices, which connect to hubs and provide expanded functionality to hubs. Devices can be "self-powered" by an external power source.
Like hubs, devices may be "bus-powered" by the USB network, or be deceiving, since some devices are combined with hubs in the same physical case. Devices cannot connect directly to the host using either the 1.5 or the 12 Mbps connection speed. Devices connect to devices, but looks can only connect to the computer. Basics New Technologies - 2 4 • Devices, which connect to hubs and provide expanded functionality to hubs. Devices can be "self-powered" by an external power source.
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...; The maximum number of devices that can be connected to a single USB hub is 127 devices. (Note: A keyboard with an internal hub is a good example of tiers allowed is typically unshielded. This can be ...tricky to power limitations. The maximum cable length allowed for 12 Mbps devices is 5m, and the cable must be connected to bus-powered hubs due to track sometimes, since hubs can 't be shielded. A keyboard with a built-in CPU cases, displays, keyboards, etc. • Bus-powered...
...; The maximum number of devices that can be connected to a single USB hub is 127 devices. (Note: A keyboard with an internal hub is a good example of tiers allowed is typically unshielded. This can be ...tricky to power limitations. The maximum cable length allowed for 12 Mbps devices is 5m, and the cable must be connected to bus-powered hubs due to track sometimes, since hubs can 't be shielded. A keyboard with a built-in CPU cases, displays, keyboards, etc. • Bus-powered...
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... they lack the digital connections, they will not get 56K connections if one user calls another user directly. Modem Performance Issues To be able to accomplish 56K connections, your Internet Service Provider or service you are connecting to must have digital connections to -digital conversion can use these connections. Basics Modem - 3 1 Modem The iMac computer features a built-in...
... they lack the digital connections, they will not get 56K connections if one user calls another user directly. Modem Performance Issues To be able to accomplish 56K connections, your Internet Service Provider or service you are connecting to must have digital connections to -digital conversion can use these connections. Basics Modem - 3 1 Modem The iMac computer features a built-in...
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Also, line noise will be a major factor on how fast your 56K modem connects. Basics Modem - 3 3 always connect at 33.6 speeds or less. For 33.6 Kbps or slower modems, line noise is still a factor, but it is much less of an issue for achieving good connections.
Also, line noise will be a major factor on how fast your 56K modem connects. Basics Modem - 3 3 always connect at 33.6 speeds or less. For 33.6 Kbps or slower modems, line noise is still a factor, but it is much less of an issue for achieving good connections.
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It is highly unlikely that the power filter board will ever fail, but information about this board is mounted on the logic board/mass storage chassis. Basics Power Filter Board - 35 Power Filter Board The power filter board is an EMC filtering board, which is included in the "No Power" section of the Troubleshooting chapter. It controls the DC power supply connection from the enclosure and sits between the power supply board and the logic board.
It is highly unlikely that the power filter board will ever fail, but information about this board is mounted on the logic board/mass storage chassis. Basics Power Filter Board - 35 Power Filter Board The power filter board is an EMC filtering board, which is included in the "No Power" section of the Troubleshooting chapter. It controls the DC power supply connection from the enclosure and sits between the power supply board and the logic board.
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... and audio on/off , video, and IrDA boards. For example, one cable runs from the opposite side of the audio/video interconnect board to the IrDA connector on the logic board. Note: Apple does not support connecting an external monitor on the iMac. Connecting an external monitor will void the warranty. then a separate cable runs...
... and audio on/off , video, and IrDA boards. For example, one cable runs from the opposite side of the audio/video interconnect board to the IrDA connector on the logic board. Note: Apple does not support connecting an external monitor on the iMac. Connecting an external monitor will void the warranty. then a separate cable runs...
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The sound system supports sample sizes up to 16 bits at a sample rate of the sound input and output jacks. Basics Sound - 3 9 Sound The 16-bit stereo audio circuitry provides high-quality sound input and output through the built-in microphone and speakers. The user can also connect external input and output devices by way of 44.1 kHz.
The sound system supports sample sizes up to 16 bits at a sample rate of the sound input and output jacks. Basics Sound - 3 9 Sound The 16-bit stereo audio circuitry provides high-quality sound input and output through the built-in microphone and speakers. The user can also connect external input and output devices by way of 44.1 kHz.
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... IrDA Bd CD-ROM Interconnect Board CD-ROM Drive Hard Drive Troubleshooting General/ Block Diagram - 2 Block Diagram The following illustration provides an overview of the iMac internal components and shows how they are connected.
... IrDA Bd CD-ROM Interconnect Board CD-ROM Drive Hard Drive Troubleshooting General/ Block Diagram - 2 Block Diagram The following illustration provides an overview of the iMac internal components and shows how they are connected.
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...the system using the power button on removing parts. If you have trickle power in the system, the odds are experiencing power problems in the iMac unit, you need not test for power at the end (in the system to start at this case, the logic board) and trace power...cable, 4) power supply board, and 5) power supply fuse. Following is failing. In general, you still have a problem with the CRT face down on , try connecting to access the logic board. If the system still won't power on a soft surface, remove the bottom access cover and then remove the logic board...
...the system using the power button on removing parts. If you have trickle power in the system, the odds are experiencing power problems in the iMac unit, you need not test for power at the end (in the system to start at this case, the logic board) and trace power...cable, 4) power supply board, and 5) power supply fuse. Following is failing. In general, you still have a problem with the CRT face down on , try connecting to access the logic board. If the system still won't power on a soft surface, remove the bottom access cover and then remove the logic board...