Acer Altos R510, Руководство по обслуживанию

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125 Chapter 4
Memory Error Codes
Light Guide Diagnostics
The baseboard provides system fault/status LEDs in several areas of the board. There are fault LEDs for each
DIMM slot, and status LEDs for 5-volt stand-by and system state.
T
DIMM fault LEDs are lit by BIOS whenever BIOS disables a specific DIMM.
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The 5-Volt stand-by LED is always lit when 5-volt stand-by is present.
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The System Status LED displays the state of the system. It mirrors the state of the Standard
Control Panel Status LED. Valid states include: Solid Green, Blinking Green, Blinking Amber, Solid
Amber, and Off
Memory Error Codes
Tpoint Description
001h MEM_ERR_CHANNEL_B_OFF
(DIMM mismatch forced Channel B disabled)
002h MEM_ERR_CK_PAIR_OFF
(Slow DIMM(s) forced clock pair disabled)
0E1h MEM_ERR_NO_DEVICE
(No memory installed)
0E2h MEM_ERR_TYPE_MISMATCH
0E3h MEM_ERR_UNSUPPORTED_DIMM
(Unsupported DIMM type)
0E4h MEM_ERR_CHL_MISMATCH
0E5h MEM_ERR_SIZE_MISMATCH
0E6h MEM_ERR_ECC_MISMATCH
0E8h MEM_ERR_ROW_ADDR_BITS
0E9h MEM_ERR_INTERNAL_BANKS
0EAh MEM_ERR_TIMING
0EBh MEM_ERR_INST_ORDER_ERR
0ECh MEM_ERR_NONREG_MIX
0EDh MEM_ERR_LATENCY
0EEh MEM_ERR_NOT_SUPPORTED
0EFh MEM_ERR_CONFIG_NOT_SUPPORTED
0F0h SYS_FREQ_ERR
(Flag for Unsupported System Bus Freq)
0F1h DIMM_ERR_CFG_MIX
(Usupported DIMM mix)
0F2h DQS_FAILURE
(indicates DQS failure)
0F3h MEM_ERR_MEM_TEST_FAILURE
(Error code for unsuccessful Memory Test)
0F4h MEM_ERR_ECC_INIT_FAILURE
(Error code for unsuccessful ECC and Memory Initialization)