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Generating an NMI Without a Programmer's Switch
(HTML)
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QA1264: Explains how to generate a non-maskable interrupt (NMI) on CPUs without programmer's switches.
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2004-04-26 |
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How can I tell if a PCI device has on board I/O space?
(HTML)
QA1287: Demonstrates "how to" tell if a PCI device has on board I/O space.
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2003-09-24 |
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SDRAM Problems With Self-Powered USB Devices
(HTML)
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HW82: Alerts that non-compliant, self-powered USB devices plugged into a G4, can cause problems with low-voltage-sensitive SDRAM .
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2003-08-21 |
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Bluetooth Radio Power Class for Apple Systems
(HTML)
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QA1278: Notes Preferred Bluetooth Transmitter Characteristics for products designed for Apple Systems.
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2003-08-06 |
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Faster DDR DRAM in the 867MHz Power Mac G4 (Mirrored Drive Doors)
(HTML)
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QA1191: Confirms the use of faster DDR DRAM in the 867MHz Power Mac G4 (Mirrored Drive Doors).
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2002-08-19 |
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PC100 SDRAM DIMMs on the Flat Panel iMac
(HTML)
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QA1130: Describes PC100 SDRAM DIMM limitations on the "original " Flat Panel iMac.
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2002-03-18 |
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IODeviceTree & the IORegistry
(HTML)
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QA1120: Describes the IODeviceTree plane in the Mac OS X IORegistry.
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2002-02-13 |
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Energy Star PCI Device
(HTML)
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QA1108: Provides useful information for developers of Energy Star-compliant PCI devices.
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2002-01-15 |
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Menu Bar Clock and NVRAM
(HTML)
QA1102: Explains why booting with the Command-Option-P-R keys doesn't reset date and time preferences.
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2001-12-21 |
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PCI Bus?
(HTML)
QA1104: Answers the question, "Do all Macintosh computers have a PCI bus?"
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2001-12-21 |
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Resetting NVRAM to factory defaults
(HTML)
QA1103: Describes what happens when you boot holding the Command-Option-P-R keys.
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2001-12-21 |
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SDRAM, CAS Latency for the "Quicksilver" PowerMacG4s
(HTML)
QA1071: Describes the supported CAS Latency values for the "QuickSilver", PowerMac G4 CPUs.
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2001-09-13 |
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Determining RAM size & location in New World Machines
(HTML)
QA1065: Demonstrates Open Firmware method of determining RAM size & location in New World Machines.
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2001-08-01 |
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The "packages" node in the device tree
(HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
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2000-09-05 |
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Checking for the Printer Driver
(HTML)
DV42: Describes a legacy Mac OS technique avoiding system hangs when using serial drivers on USB systems.
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2000-06-19 |
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A SCSI little secret
(HTML)
HW81: Details what to expect when accessing the motherboard SCSI bus on the Blue & White G3.
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1999-12-20 |
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Are the Name Registry device tree nodes unique?
(HTML)
Deprecated - HW64: Discusses whether Name Registry nodes copied from the Open Firmware device tree are unique.
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1999-10-11 |
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Invoking the Open Firmware user interface
(HTML)
()
HW45: Describes how to invoke the Open Firmware user interface on startup.
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1999-02-15 |
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SCSI ID from vRefNum
(HTML)
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DV29: Legacy Mac OS technique for identifying the ID of a SCSI Parallel device containing a specified disk volume.
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1997-05-23 |
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Detecting a CD-ROM
(HTML)
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DV18: Demonstrates CD-ROM drive detection.
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1997-01-31 |
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ANSI SCSI Standards
(HTML)
Deprecated - DV03: Describes past Macintosh systems that did not fully support the ANSI SCSI-1 standard.
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1995-07-01 |
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Getting a List of Drivers & LUNs (logical unit numbers)
(HTML)
Deprecated - DV04: Describes a legacy Mac OS technique for obtaining a list of SCSI Parallel drivers, devices, and LUNs.
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1995-07-01 |
