
En-9
InstallationGuide
English
D-Bracket™2Connector
TheconnectorisforyoutoconnectD-Bracket™2.D-Bracket™2isaexternalUSBBracketthatsupportbothUSB1.1&
2.0spec.ItintegratesfourLEDsandallowsuserstoidentifysystemproblemthrough16variouscombinationsofLED
signals.The4LEDscandebugallproblemsthatfailthesystem,suchasVGA,RAMorotherfailures.Thisspecialfeature
isveryusefulfortheoverclockingusers.Theseuserscanusethefeaturetodetectifthereareanyproblemsorfailures.
ConnectedtotheUSBpinheader
inYELLOW color
ConnectedtoD-Bracket™
2Connector
LEDs
1
9
2
10
DBG1
DBG1
DBG3
DBG4
Key
DBR1
DBR2
DBR3
DBR4
NC
D-Bracket™2
(Optional)
12
34
BIOSSignOn
Thiswillstart showinginformation
aboutlogo,processorbrandname,
etc...
TestingBaseandExtendedMemory
Testing basememoryfrom240Kto
640Kandextendedmemoryabove
1MBusingvariouspatterns.
AssignResourcestoall ISA.
InitializingHardDriveController
This will initializeIDEdriveand
controller.
Initializing FloppyDriveController
Thiswill initializeFloppyDriveand
controller.
BootAttempt
Thiswillsetlowstackandbootvia
INT19h.
OperatingSystemBooting
SystemPowerON
TheD-LEDwillhang hereifthe
processorisdamaged ornotin-
stalledproperly.
InitializingKeyboardController.
TestingVGABIOS
Thiswill startwriting VGAsign-on
messagetothescreen.
ProcessorInitialization
Thiswillshowinformationregarding
theprocessor(likebrandname,sys-
tembus,etc...)
TestingRTC(RealTimeClock)
Description
Red Green
LEDssignal
12
34
12
34
12
34
12
34
12
34
12
34
12
34
12
34
DescriptionLEDssignal
12
34
12
34
12
34
12
34
12
34
12
34
12
34
12
34
EarlyChipsetInitialization
MemoryDetectionTest
Testingonboardmemorysize.The
D-LEDwillhangifthememorymod-
uleisdamaged ornot installed
properly.
DecompressingBIOSimagetoRAM
forfastbooting.
InitializingVideoInterface
This will startdetecting CPUclock,
checkingtypeofvideoonboard.Then,
detectandinitializethevideoadapter.
19