I'll go ahead and say it—Photoshop is a memory hog. Photoshop 7 requires 250MB just to take up space on your system and a minimum of 12MB of memory to run, although Photoshop recommends using 32MB. For a swiftly moving Photoshop, I recommend bumping that up to at least 50MB.
Still acting sluggish? It is not uncommon for print graphic files to get quite large, and require even more memory.
TRY IT To allocate more memory to Photoshop, follow these steps if your operating system is Windows:
1. Choose Edit I Preferences I Memory & Image Cache.
2. Under Physical Memory Usage, specify the amount of memory you'd like to allocate to Photoshop (see Figure 2-8). Note that the number you specify is a percentage of the total amount of RAM available on your computer.
4. Choose File I Quit to close Photoshop.
5. The next time you launch Photoshop, your new memory settings will take effect. To allocate more memory if you are using a Mac:
1. Make sure Photoshop is not running; if it is, exit the program.
2. Find the Photoshop application icon in the Photoshop folder. (Don't double-click to open the program; simply click once on the icon so that it is selected.)
3. Hold down the CTRL key and click once on the Photoshop application icon to reveal a pop-up menu.
Figure 2-8 The Memory & Image Cache Preferences in Photoshop for Windows
4. From the pop-up window, choose Get Info I Memory.
5. Under Memory Requirements (see Figure 2-9), you will see Suggested Size: 32768K; Minimum Size: 12288K; and Preferred Size: 50000K (this number will vary based on your preference). Enter a larger number in the Preferred Size box to allocate more memory to Photoshop 7.
6. Close the dialog box by clicking the box in the upper-left corner and then launch Photoshop.
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