Screen Message Probable Cause Recommended Action
517–Front IEEE 1394
Not Connected
Front IEEE 1394 port is not
connected.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Connect IEEE 1394 cable to system
board.
2. Replace system board.
518–Detected invalid
MAC address
Workstation has invalid MAC
address.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
●
Verify correct MAC address. If incorrect,
replace system board.
601–Diskette Controller
Error
Diskette controller circuitry or
diskette drive circuitry
incorrect.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Run Computer Setup (F10 Setup).
2. Ensure that cables are connected
correctly.
3. Check and replace cables.
4. Clear CMOS by pressing the Clear
CMOS button on the system board.
5. Replace diskette drive.
6. Replace the system board.
605–Diskette Drive Type
Error
Mismatch in drive type. 1. Check drive cables.
2. Run Computer Setup (F10 Setup).
3. Disconnect any other diskette controller
devices (tape drives).
4. Clear CMOS by pressing the Clear
CMOS button on the system board.
5. Replace diskette drive.
710–NET Watchdog
Timer Expired from Last
Boot
System hung during last boot. Press F1 to boot.
912–Computer Cover
Has Been Removed
Since Last System Start
Up
System has been opened
since last boot.
No action required.
914–Hood Lock Coil is
not Connected
Hood lock mechanism is
missing or not connected.
1. Reconnect or replace the hood locking
mechanism.
2. Reseat or replace the hood locking
mechanism cable.
Table 6-18 POST error messages (continued)
164 Chapter 6 System diagnostics and troubleshooting ENWW
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