apple PB Duo 2300 Log.Brd.Upgrade free download

File name PB Duo 2300 Log.Brd.Upgrade.PDF

Important information about your upgraded PowerBook Your Macintosh PowerBook contains a new logic board, which provides enhanced performance. What has changed in your PowerBook Your computer has been upgraded with a PowerBook Duo 2300 series logic board, which uses a PowerPC 603e microprocessor. The upgrade gives your computer PowerPC performance and lets you use standard Macintosh application programs and "native" applications that have been specially written for the PowerPC microprocessor. You will see significantly faster performance of your applications if you upgrade them to versions that are native for PowerPC. Microprocessor specifications m PowerPC 603e, clock speed 100 megahertz (MHz) m System bus speed 33 megahertz (MHz) Memory specifications m 8 megabytes (MB) low-power dynamic random-access memory (DRAM) Note: Any RAM you installed in your PowerBook before upgrading it is added to the 8 MB that came with the logic board upgrade. m 4 MB PowerPC read-only memory (ROM) New power adapter A new power adapter is provided with your upgraded PowerBook. This adapter has an output of DC 24 volts, 1.5 amperes, 36 watts. (The power adapter supplied with some earlier models has an output of 24 volts, 1.04 amperes, 24 watts.) IMPORTANT Be sure to use the new power adapter with your computer. The older adapter may not work reliably with the upgraded system. System software version 7.5.2 Your Apple-authorized dealer has installed system software version 7.5.2 on your computer's hard disk. Depending on how long ago you purchased your PowerBook and whether you've already upgraded to System 7.5, you may find many new features in the system software. Only the system software files on your computer's hard disk have been updated to system software version 7.5.2. No other files have been erased or changed during the upgrade procedure. If you haven't been using System 7.5 already, be sure to read Chapter 2, "Getting Help," in the PowerBook 2300 series manual for an introduction to the on-screen help that is now part of your PowerBook's system software. What hasn't changed in your PowerBook The following hardware components of your PowerBook have not changed: m Display m Internal hard disk m Battery m Trackball m Keyboard m Any expansion memory th