Note: Some characters that can be displayed on the Macintosh are not accurately displayed on DOS computers, and vice versa.

For more information about working with DOS documents on your Macintosh, see the “Using DOS Files & Disks” topic of Macintosh Guide, available in the Guide (h) menu.

Repairing a damaged disk

If you see a message reporting that a disk is damaged or unreadable, you may need to repair the disk.

Try these suggestions first

If you can’t start up from a hard disk or you don’t see the hard disk icon on the desktop, try the following:

mIf the hard disk is internal, shut down your Macintosh, wait at least 10 seconds, and then turn it on again.

mIf the hard disk is external, make sure that it is turned on and that its cable is connected firmly; then restart the Macintosh.

mIf the hard disk is your startup disk, start up with a different startup disk. (See the following sections, “Starting Up From a CD-ROM Disc” and “Starting Up From a Floppy Disk.”)

If, after you start up from a different disk, your hard disk’s icon appears on your desktop, reinstall system software on the hard disk (see “Installing or Reinstalling System Software” later in this chapter).

If your hard disk’s icon does not appear on your desktop, you may need to initialize the disk (see “Initializing a Hard Disk” later in this chapter).

mCheck the ID numbers of all SCSI equipment connected to your computer. Each device must have a unique ID number less than 7; the computer itself has the ID number 7, and the internal CD-ROM drive (if there is one) has the ID number 3. The ID numbers 0, 1, 2, 4, 5, and 6 are available for additional SCSI devices.

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600 series specifications

The Apple 600 series, part of Apple's innovative line of personal computers, represents a significant milestone in the realm of computing technology. Launched in the early 1990s, this series was designed primarily for educational and business environments, offering an array of cutting-edge features that catered to users’ evolving needs.

One of the defining characteristics of the Apple 600 series is its capability to handle a variety of tasks with impressive efficiency. Powered by the Motorola 68040 processor, which was lauded for its advanced performance, the series delivered an optimal balance of speed and power consumption. This made it a reliable choice for users requiring multitasking capabilities, be it in classrooms or corporate offices.

In terms of memory and storage, the 600 series was quite flexible. With configurations supporting up to 36 MB of RAM, users could easily upgrade to achieve better performance suited to their specific applications. Additionally, the built-in hard drives provided ample storage space, allowing users to manage and save critical documents, multimedia files, and educational software without running into space constraints.

Another notable feature of the Apple 600 series was its multimedia capabilities. The inclusion of a high-quality color display and support for various audio and video formats provided an engaging experience. This was especially beneficial in educational settings where interactive learning was becoming increasingly popular. With a variety of peripheral options available, users could enhance their computers with scanners, printers, and external storage devices, expanding their functionality further.

On the connectivity front, the Apple 600 series supported various networking options. It provided users with the ability to connect to local area networks (LANs), facilitating easy sharing of resources and information. This connectivity was critical for institutions looking to adopt more collaborative and interactive learning environments.

The Apple 600 series also incorporated an intuitive user interface, showcasing the signature appeal of Apple products. The operating system was designed to be user-friendly, accommodating both novice and experienced users alike, which contributed to its popularity in educational contexts.

In conclusion, the Apple 600 series is remembered for its remarkable performance, versatility, and user-centric design. With its advanced technology and features tailored for educational and business use, this series played a significant role in pushing forward the capabilities of personal computers in the early 1990s and remains a part of Apple's storied legacy in the technology world.
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