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Apple Computing Products:
macOS - Notebook Hardware
G4 - Open Firmware password/Can't zap PRAM!! Help please!
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<blockquote data-quote="Soulwar" data-source="post: 644514" data-attributes="member: 46986"><p><strong>Features of Open Firmware Password Protection</strong></p><p></p><p> When turned on using one of the PowerPC-based models listed above, Open Firmware Password Protection: <ul> <li data-xf-list-type="ul">Blocks the ability to use the "C" key to start up from an optical disc.</li> <li data-xf-list-type="ul">Blocks the ability to use the "N" key to start up from a NetBoot server.</li> <li data-xf-list-type="ul">Blocks the ability to use the "T" key to start up in Target Disk Mode (on computers that offer this feature).</li> <li data-xf-list-type="ul">Blocks the ability to start up in Verbose mode by pressing the Command-V key combination during startup.</li> <li data-xf-list-type="ul">Block the ability to start up a system in Single-user mode by pressing the Command-S key combination during startup.</li> <li data-xf-list-type="ul"><em><u><strong>Blocks a reset of Parameter RAM (PRAM) by pressing the Command-Option-P-R key combination during startup.</strong></u></em></li> <li data-xf-list-type="ul">Requires the password to use the Startup Manager, accessed by pressing the Option key during startup (see below).</li> <li data-xf-list-type="ul"><em><u><strong>Requires the password to enter commands after starting up in Open Firmware, which is done by pressing the Command-Option-O-F key combination during startup.</strong></u></em></li> <li data-xf-list-type="ul">Blocks the ability to start up in Safe Boot mode by pressing the Shift key during startup.</li> </ul><p>Not very helpful, but informative.</p></blockquote><p></p>
[QUOTE="Soulwar, post: 644514, member: 46986"] [B]Features of Open Firmware Password Protection[/B] When turned on using one of the PowerPC-based models listed above, Open Firmware Password Protection:[LIST] [*]Blocks the ability to use the "C" key to start up from an optical disc. [*]Blocks the ability to use the "N" key to start up from a NetBoot server. [*]Blocks the ability to use the "T" key to start up in Target Disk Mode (on computers that offer this feature). [*]Blocks the ability to start up in Verbose mode by pressing the Command-V key combination during startup. [*]Block the ability to start up a system in Single-user mode by pressing the Command-S key combination during startup. [*][I][U][B]Blocks a reset of Parameter RAM (PRAM) by pressing the Command-Option-P-R key combination during startup.[/B][/U][/I] [*]Requires the password to use the Startup Manager, accessed by pressing the Option key during startup (see below). [*][I][U][B]Requires the password to enter commands after starting up in Open Firmware, which is done by pressing the Command-Option-O-F key combination during startup.[/B][/U][/I] [*]Blocks the ability to start up in Safe Boot mode by pressing the Shift key during startup.[/LIST]Not very helpful, but informative. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
G4 - Open Firmware password/Can't zap PRAM!! Help please!
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