Beep Symptoms; Post Error Codes - Lenovo ThinkStation P320 Hardware Maintenance Manual

Check/Verify
Check the following for proper installation.
• Power cord
• On/Off switch connector
• On/Off switch power supply connector
• System board power supply connectors
• Microprocessor connection
Check the power cord for continuity.
Check the power-on switch for continuity.

Beep symptoms

Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST.
The following table describes the beep symptoms.
Beep symptom
2 short beeps: common POST error
3 short and 1 long beeps: DRAM memory error
4 long beeps: insufficient shadow RAM resources for
option ROM (error code: 8998) or PCIe/PCI MMIO
(memory mapped input/output) resources (error code:
8999)
2 long and 3 short beeps: graphics card error

POST error codes

Each time you turn on the system, it performs a series of tests that check the operation of the system and
some options. This series of tests are called the Power-On Self-Test, or POST. POST checks the following
operations:
• Some basic system-board operations
• Memory operation
• Video operation
• Whether the boot drive is working
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P320 Hardware Maintenance Manual
FRU/Action
Reseat connectors
Power cord
Power-on switch
FRU/Action
Common POST error code. See the detailed failure
information in "POST error codes" on page 52.
Perform the following actions in order:
1. Make sure that the memory modules are properly
seated in the memory slots.
2. Replace the memory modules.
3. Replace the system board (for trained service
personnel only).
See the detailed failure information in "POST error codes"
on page 52.
Perform the following actions in order:
1. Make sure that the graphics cards are properly
seated in the slots.
2. Replace the graphics cards.
3. Replace the system board (for trained service
personnel only).