Compaq Presario 5000 Series, Maintenance And Service Manual, Page: 175 / 216

Keyboard Controller Error Keyboard, I/O keyboard
controller (on system board), or
mouse error.
Replace the keyboard.
1.
Replace the mouse.
2.
Replace the system board .
3.
Keyboard Error Keyboard, I/O keyboard
controller (on system board), or
mouse error.
Replace the keyboard.
1.
Replace the mouse.
2.
Replace the system board .
3.
Operating System not found Operating system cannot be
located on either drive A: or C:.
Run Setup .
Parity Check 1 Parity error found in the system
bus.
Run Setup .
1.
Replace the memory
modules .
2.
Replace the system board .
3.
Parity Check 2 Parity error found in the I/O bus. Run Setup .
1.
Replace the ISA board
(modem).
2.
Real Time Clock Error Real-time clock fails BIOS test. Replace the system
board .
System Battery is Dead RTC battery is dead. Replace the RTC battery .
1.
Run Setup .
2.
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System BIOS Shadowed System BIOS copied to Shadow
RAM.
Status Message: no
action required.
System Cache Error RAM cache failed the BIOS test. Run Setup .
System CMOS Checksum Bad CMOS is corrupted or modified
incorrectly.
Run Setup .
System RAM failed at Offset, nnn System RAM failed. Replace the memory
modules .