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K
Service Source
Macintosh PowerBook 550c
This product is forJapan only.
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K Service Source Basics Macintosh PowerBook 550c
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Basics General Information - 1 General Information The Macintosh PowerBook 550c features a built-in trackpad, intelligent batteries, two battery bays, an optional PCMCIA expansion module, a darker shade of plastics, and a 10.4" display. The computer is available in Japan only.
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Basics Rear Panel - 2 Rear Panel The illustration below shows the location of ports and connectors on the rear panel of the Macintosh PowerBook 550c.
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Basics PowerBook Screw Matrix - 3 PowerBook Screw Matrix Nine different types of screws are used in the Macintosh PowerBook 550c. All are Torx screws and require either a T-8 or T-6 Torx screwdriver. Note: The legend for the screws follows on the next page.
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Basics PowerBook Screw Matrix - 4 Legend for Macintosh PowerBook 550c Screws 1 Feet 2 Hard drive, keyboard, bottom case (middle front), display assembly, floppy drive, daughterboard EMI shield (top edge), inside edge of top case, right side panel 3 Display bezel, display, clutch, DAA 4 Trackpad cable and actuator, daughterboard EMI shield (sides), motherboard standoff 5 Rear panel 6 Hard drive bracket 7 Inverter board, interconnect board 8 Bottom case (front corners), left side panel 9 Fl
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Basics PowerBook Cable Matrix - 5 PowerBook Cable Matrix For a matrix of cables that work with specific models of the PowerBook family of computers, refer to the PowerBook Cable Matrix. (The Macintosh PowerBook 550c uses the same cables as the Macintosh PowerBook 520/540 Series.)
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Basics PCMCIA Module Handling - 6 PCMCIA Module Handling The PCMCIA (Personal Computer Memory Card International Association) expansion module is an option for the Macintosh PowerBook 550c. The module inserts into the computer’s second (left) battery bay and has two slots that accept a variety of third-party PCMCIA cards. There are three types of PCMCIA cards: Type I (3 mm), Type II (5 mm), and Type III (10 mm). Type I and Type II cards fit in either the upper or lower slot of the e
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Basics PCMCIA Module Handling - 7 computer will shut down and all RAM contents will be lost. • Eject the PCMCIA module using the lever at the front of the module; eject a PCMCIA card using the PCMCIA Eject control panel or the PCMCIA Quick Eject module in the computer’s Control Strip. • Keep the protective cap that comes with the module and place it back on the module when it is not in use. • Do not open the module or insert anything other than a PCMCIA card into the card slots. • Keep
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Basics Battery Information - 8 Battery Information The Macintosh PowerBook 550c includes two nickel- metal-hydride (NiMH) batteries. Each battery provides power for up to 3.5 hours of work time, depending on the battery conservation features employed. A smart processor included in each battery pack indicates the battery’s charge status. For instructions on how to verify the battery voltage, see the Additional Procedures chapter of this manual. For additional information on PowerBook
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Basics Battery Information - 9 Battery Handling ±Warning: NiMH batteries contain toxic materials. Send undamaged, dead batteries to Apple for recycling—do not discard dead batteries with other waste. If the battery is damaged, do not return it to Apple. Dispose of damaged batteries according to local ordinances. Review battery- handling and disposal instructions in Bulletins/Safety. The following are guidelines for properly handling the Macintosh PowerBook 550c battery: • Handle
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Basics Battery Information - 10 • Keep the battery in a cool, dark place; do not store it for longer than 6 months without recharging. • If you are using one battery: Completely discharge and then recharge the battery once every 90 days. • If you are using two batteries: Swap the left and right batteries every month. • Fully charge a replacement battery before using it; Apple ships batteries in a partially charged state.
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K Service Source Specifications Macintosh PowerBook 550c
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Specifications Processor - 1 Processor CPU Motorola 68040 microprocessor 66/33 MHz Addressing 32-bit internal registers 32-bit address bus 32-bit data bus
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Specifications Memory - 2 Memory RAM 4 MB RAM installed on the daughterboard Expandable to 12 MB with 8 MB Apple RAM expansion card Expandable to 36 MB with third-party RAM expansion card ROM 2 MB PRAM 256 bytes of parameter memory VRAM 512K of static video display memory Clock/Calendar CMOS custom chip with long-life lithium battery
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Specifications Disk Storage - 3 Disk Storage Floppy Drive 15 mm high, internal, 1.4 MB Apple SuperDrive Hard Drive 2.5 in., 750 MB hard drive
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Specifications I/O Interfaces - 4 I/O Interfaces SCSI HDI-30 SCSI port with 1.5 MB/sec. transfer rate Supports up to six external SCSI devices Connect SCSI device to computer with HDI-30 SCSI system cable. Apple Desktop Bus Apple Desktop Bus (ADB) port 200 mA maximum current draw for all ADB devices Serial RS-422 serial port; mini DIN-8 connector Sound Stereo sound-in port Stereo sound-out headphone jack; standard 3.5 mm stereo miniplugs
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Specifications I/O Interfaces - 5 Video Micro DV-14 video-out port; 8 bit, 256 color video output Supports most Macintosh, VGA, and SVGA monitors Ethernet High-speed Ethernet port; Apple AUI connector Processor-Direct Slot 90-pin processor-direct slot (PDS) for PDS devices or optional Personal Computer Memory Card International Association (PCMCIA) adapter/PCMCIA expansion module (allows use of two Type II or one Type III PCMCIA-type card) Power Adapter Power adapter port Modem
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Specifications I/O Devices - 6 I/O Devices Keyboard Built-in keyboard with 12 function keys 76 keys domestic, 77 keys ISO Two-level tilt adjustment Trackpad Solid-state trackpad Microphone Electret, omnidirectional Output voltage of 4 mV, peak to peak
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Specifications Sound and Video - 7 Sound and Video Sound Generator Apple sound chip provides 16-bit sound capable of driving stereo headphones or other stereo equipment through the sound jack Built-in stereo speakers Video Display 10.4-in. diagonal screen Backlit, active-matrix color display; 640 x 400 pixels at thousands of colors; 640 x 480 pixels at 256 colors
