Gateway 7450R, Системное руководство

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88
Gateway 7450R Server System Manual
Error codes and test points
This section lists test points and beep codes that you may encounter. These
codes often indicate procedural errors such as an incorrect keystroke or a
write-protected diskette. Some messages, however, may indicate a problem
that requires you to consult the troubleshooting section of this manual.
The surge protector or
UPS is damaged Disconnect the monitor power cable, then connect it directly
to the power source.
The monitor is too close
to a source of electrical
interference Move the monitor away from sources of electrical
interference, such as televisions, unshielded speakers,
microwave ovens, fluorescent lights, and metal beams or
shelves.
The monitor needs to be
degaussed Turn off the server and monitor and leave them off for at least
a half hour, then restart the system.
Test
Point Beep
Code POST Routine Description
02h Verify real mode
03h Disable non-maskable interrupt (NMI)
04h Get processor type
06h Initialize system hardware
07h Disable shadow and execute code from ROM
08h Initialize chipset with initial POST values
09h Set IN POST flag
0Ah Initialize processor registers
0Bh Enable processor cache
0Ch Initialize caches to initial POST values
0Eh Initialize I/O components
0Fh Initialize the local bus IDE
10h Initialize power management
11h Load alternate registers with initial POST values
* If the BIOS detects error 2C or 2E, it displays an additional word-bitmap (xxxx) indicating
the address line or bits that failed. For example, “2C 0002” means address line 1 (bit one
set) has failed. “2E 1020” means data bits 12 and 5 (bits 12 and 5 set) have failed in the
lower 16 bits.
Probable cause Solution
8507328.book Page 88 Thursday, February 15, 2001 11:28 AM