Siemens SIMATIC PANEL PC 877 Operations Instructions Page 135

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Alarm, error, and system messages
12.3 BIOS beep codes
SIMATIC IPC677C
Operating Instructions, 05/2010, A5E02722710-01
135
12.3 BIOS beep codes
The following section lists the POST codes relevant to users in the sequence in which they
occur: Contact Customer Support (http://www.siemens.com/automation/service&support
) for
information on all other POST codes.
Display
(hex)
Meaning Description Remedy
4DH DXE_MTC_INIT MTC Initial MonoTonicCounter
initialization
Service case
4EH DXE_CPU_INIT CPU Middle
Initial
CPU initialization Replace basic
module
4FH DXE_MP_CPU_INIT Multi-processor
Middle Initial
Multiprocessor
initialization
Replace basic
module
50H DXE_SMBUS_INIT SMBUS Driver
Initial
SMBUS driver
initialization
Service case
51H DXE_SMART_TIMER_INIT 8259 Initial SMART Timer
initialization
Service case
52H DXE_PCRTC_INIT RTC Initial RTC initialization Service case
53H DXE_SATA_INIT SATA Controller
early initial
Advance initialization
of the SATA
Controller
Service case
54H DXE_SMM_CONTROLER_INIT Setup SMM
Control service,
DXE_SMMContr
oler_INIT
SSM Control service Service case
55H DXE_LEGACY_INTERRUPT Setup Legacy
Interrupt service,
DXE_LegacyInte
rrupt
Setup Legacy
Interrupt service
Service case
01H SEC_SYSTEM_POWER_ON CPU power on
and switch to
Protected mode
Switch to Protected
Mode
Service case
02H SEC_BEFORE_MICROCODE_PATCH Patching CPU
microcode
Load CPU Microcode Service case
03H SEC_AFTER_MICROCODE_PATCH Setup Cache as
RAM
Set up cache as RAM Service case
04H SEC_ACCESS_CSR PCIE MMIO
Base Address
initial
Initialize PCIE Service case
05H SEC_GENERIC_MSRINIT CPU Generic
MSR initial
Initialize CPU MS
(Machine Status)
Register
Service case
06H SEC_CPU_SPEEDCFG Setup CPU
speed
Specify CPU speed Service case
07H SEC_SETUP_CAR_OK Cache as RAM
test
Carry out RAM Test
on cache
Replace basic
module
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