This article applies to Apple Hardware Test for Power Mac G4 Cube version 1.1
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MESSAGE
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ACTION
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NOTE 1
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Apple Hardware Test gathers this information during its start up by dynamically checking for the presence of these devices. These messages appear in the Test Results area of the Hardware Test panel.
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AirPort: No Device Found
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(a) If installed, reseat and retest
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Modem: No Device Found
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(b) Check for connector damage
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(c) Replace the modem or AirPort Card
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"POST" ERROR CODE
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ACTION
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NOTE 2
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Apple Hardware Test gathers this information during its start up. The information comes from internal hardware tests done when the computer is powered up. These messages appear in the Test Results area of the Hardware Test panel.
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NOTE 3
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The "X" listed below in error codes means that any number qualifies (if it is not one mentioned before).
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post/16/2048
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(a) Reseat/Replace DIMMs
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(b) Replace DIMM
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(c) Replace Main Logic board
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post/16/X
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Replace Main Logic Board
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ERROR CODE
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ACTION
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NOTE 4
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Apple Hardware Test gathers this information when either Quick or Extended tests are running.
These messages appear in the Test Results area of the Hardware Test panel.
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NOTE 5
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The "X" listed below in error codes means that any number qualifies.
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airp/X/X
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(a) Reseat AirPort Card and retest
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(b) Check for connector damage
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(c) Replace the AirPort Card
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ata1/X/X CD/DVD: X,X
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(a) Reseat drive cable and retest
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ata1/X/X HD: X,X
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(b) Replace drive cable and retest
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(c) Replace drive
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cpu_/X/X
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Replace Processor Module
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disp/X/X
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Replace video card (or video card DIMM, if present)
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fire/X/X
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(a) Shutdown, power up & retest
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(b) Reset NVRAM
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(c) Replace Main Logic Board
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i2c_/X/X
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Replace Main Logic Board
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mem_/X/X
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(a) Reseat DIMM(s) and retest
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(b) Replace DIMM
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modm/X/X
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(a) If a modem is installed, reseat Modem and retest
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(b) Check for connector damage
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(c) Replace the modem
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pmuc/X/X
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Replace Main Logic Board
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rom_/X/X
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(a) may indicate BootROM corruption - restore firmware if possible
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(b) Replace Main Logic Board
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scc_/X/X
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Replace Main Logic Board
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unet/1/X
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Replace Main Logic Board
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unet/2/X
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Replace Main Logic Board
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unet/3/X
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Replace Main Logic Board
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unet/4/X
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Replace I/O Ethernet Card
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unet/5/X
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Replace I/O Ethernet Card
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unet/7/X
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Replace Main Logic Board
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unet/8/X
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Replace Main Logic Board
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usb_/X/X
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Replace Main Logic Board
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sond/X/X
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Replace Main Logic Board
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There is a looping option. Pressing Control-L when tests are NOT running will toggle looping mode. When looping mode is on, the words "Looping ON" will appear at the bottom of the "Test Results" log area; otherwise nothing will appear. When looping mode is in effect, all tests will loop indefinitely, until stopped by the user, or a failure occurs. Looping mode stays in effect until turned off by the user.
While looping, a loop counter is displayed at the bottom of the "Test Results" log area. The loop count remains after testing has stopped, but will be cleared if tests are run again.