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HP Vectra VL 5/xxx Series 5 User Manual

Page 88

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88

5 Power-On Self-Test and Error Messages

Order in Which the Tests are Performed

Protected Mode RAM Test

(Extended RAM)

Tests protected RAM in 64 KB segments above 1 MB. (This test is not done
during a reset using

and

). Test failure causes an

error code to display.

Keyboard / Mouse Tests

Keyboard Test

Invokes a built-in keyboard self-test of the keyboard’s microprocessor and
tests for the presence of a keyboard and for stuck keyboard keys. Test
failure causes an error code to display.

Mouse Test

If a mouse is present, invokes a built-in mouse self-test of the mouse’s
microprocessor and for stuck mouse buttons. Test failure causes an error
code to display.

Network Test

If the network board is present, invokes a built-in self-test. Test failure
causes an error code to display.

Tests of Flexible Disk Drive A

Flexible Disk Controller

Subsystem Test

Tests for proper operation of the flexible disk controller. Test failure causes
an error code to display.

Coprocessor Tests

Internal Numeric Coprocessor

Test

Checks for proper operation of the numeric coprocessor part of the
processor. Test failure causes an error code to display.

Communication Port Tests

Parallel Port Test

Tests the integrated parallel port registers, as well as any other parallel
ports. Test failure causes an error code to display.

Serial Port Test

Tests the integrated serial port registers, as well as any other serial ports.
Test failure causes an error code to display.

Hard Disk Drive Tests

Hard Disk Controller Subsystem

Test

Tests for proper operation of the hard disk controller. Test failure causes an
error code to display. The test does not detect hard disk replacement or
changes in the size of the hard disk.

System Configuration Tests

System Generation

Initiation of the system generation (SYSGEN) process, which compares the
configuration information stored in the CMOS memory with the actual
system. If a discrepancy is found, an error code will be displayed.

Plug and Play
Configuration

Configures any Plug and Play device detected (either PCI or ISA):

❒ All PCI devices, and any ISA device necessary for loading the operating

system will be configured for use.

❒ Any ISA device that is not required for loading the operating system, will

be initialized (prepared for loading of a device driver), but not fully
configured for use.

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