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Leopard Reference Library: Hardware & Drivers
Apple's computers integrate accepted industry-standard technologies such as USB with Apple technologies such as FireWire to create high-performance machines that are easy to use. Developers can extend the capabilities of these computers by creating compatible peripheral devices, video cards, RAM, and other add-on products.

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Determining the version of Open Firmware on your Mac (HTML) (日本語 HTML)
HW60: Describes a method to display the version of Open Firmware on a Macintosh.
Technical Q&As 1999-03-29
dl command in 1 machine mode (HTML) (日本語 HTML)
HW51: Describes using the "dl" command in 1 machine mode.
Technical Q&As 1999-03-29
Stopping Forth command scrolls (HTML) (日本語 HTML)
HW57: Describes how to limit Forth commands from scrolling off the screen.
Technical Q&As 1999-03-29
Booting after invoking the Open Firmware user interface (HTML) (日本語 HTML)
HW48: Tells how to boot a system after entering the Open Firmware user interface.
Technical Q&As 1999-02-15
Difference between using Restart or Shut Down in the Finder's Special menu in Open Firmware (HTML) (日本語 HTML)
HW47: Explains the differences between using Restart or Shut Down on Open Firmware
Technical Q&As 1999-02-15
Do PowerBooks have a PCI bus? (HTML) (日本語 HTML)
HW43: Explains that a Powerbook has a PCI bus.
Technical Q&As 1999-02-15
How does Open Firmware generate the name property? (HTML) (日本語 HTML)
HW39: Describes the Open Firmware name property generation process.
Technical Q&As 1999-02-15
Invoking the Open Firmware user interface (HTML) (日本語 HTML)
HW45: Describes how to invoke the Open Firmware user interface on startup.
Technical Q&As 1999-02-15
PCI bus on the iMac (HTML) (日本語 HTML)
HW42: Explains that the iMac has a PCI bus even though it has no expansion slots.
Technical Q&As 1999-02-15
What are configuration variables in Open Firmware? (HTML) (日本語 HTML)
HW38: Defines the configuration variables in Open Firmware.
Technical Q&As 1999-02-15
What are snag keys in Open Firmware? (HTML) (日本語 HTML)
HW35: Explains Open Firmware snag keys, including examples of their function.
Technical Q&As 1999-02-15
What is meant by 1 machine mode vs. 2 machine mode with respect to Open Firmware? (HTML) (日本語 HTML)
HW36: Documents 1 machine mode vs. 2 machine mode in Open Firmware.
Technical Q&As 1999-02-15
PrepareMemoryForIO in the NewWorld (HTML)
DV33: Explains the correct use of PrepareMemoryForIO on DMA buffers when writing a device driver for DMA software.
Technical Q&As 1998-12-07
OTScheduleDeferredTask When Task Running (HTML) (日本語 HTML)
NW52: Describes what happens when you use OTScheduleDefferedTask to schedule a task that is running.
Technical Q&As 1997-10-13
Detecting a CD-ROM (HTML) (日本語 HTML)
DV18: Demonstrates CD-ROM drive detection.
Technical Q&As 1997-01-31
DR Emulator Caches (HTML) (日本語 HTML)
Deprecated - HW28: Describes the Dynamic Recompiling emulator's cache, including a description of when to flush the cache.
Technical Q&As 1996-04-08