[1501]: Clock error
• An RTC device is recognized, and
the difference between the RTC
device and the CPU exceeds the
defined limit.
• No RTC device is recognized.
• RTC defective
• NVRAM without RTC installed
• Backup battery discharged
1. Replace the NVRAM with another
NVRAM with an RTC device.
B
[15FF]: RTC not detected
The RTC device is not detected.
• NVRAM without RTC installed
• Backup battery discharged
1. Replace the NVRAM with another
NVRAM with an RTC device.
827 Self-diagnostic Error: RAM
[0201] B
Verification error
Error is detected during a write/verify
check for the standard RAM (SDRAM
DIMM).
• Loose connection
• Defective SDRAM DIMM
• Defective controller
1. Replace the SDRAM DIMM.
2. Replace the controller.
[0202] B
Resident memory error
The SPD values in all RAM DIMM are
incorrect or unreadable.
• Defective RAM DIMM
• Defective SPD ROM on RAM DIMM
• Defective 12C bus
1. Replace the RAM DIMM.
828 Self-diagnostic Error: ROM
[0101] B
Boost lap code error
The boot monitor and OS program
stored in the ROM DIMM is checked. If
the check sum of the program is
incorrect, this SC code is displayed.
• Defective ROM DIMM
• Defective controller
1. Replace the ROM DIMM.
2. Replace the controller.
[0104] B
ROMFS error
Service Call Conditions
123
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