MSI K9N SLI-F User Guide - Page 37
D-Bracket, Connector: JDB1 - v 2 specs
UPC - 816909043235
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Hardware Setup D-Bracket™ 2 Connector: JDB1 The mainboard comes with a JDB1 connector for you to connect to D-Bracket™ 2. DBracket™ 2 is an external USB Bracket that supports both USB1.1 & 2.0 specs. It integrates four LEDs and allows users to identify system problems through 16 vari- ous combinations of LED signals. D-Bracket™ 2 (Optional) DBG1 DBG1 DBG3 DBG4 (No pin)Key Connected to JDB1 9 1 10 2 DBR1 DBR2 DBR3 DBR4 NC Red LED Signal 1 2 3 4 Connected to JUSB1/2/3 Green 1 2 3 4 LEDs Description LED Signal Description System Power ON The D-LED will hang here if the 1 processor is damaged or not in- 3 stalled properly. Initializing Video Interface 2 This will start detecting CPU clock, 4 checking type ofvideo onboard. Then, detect and initializethe video adapter. 1 2 EarlyChipset Initialization 3 4 BIOS Sign On 1 2 This will start showing information 3 4 about logo, processor brand name, etc... Memory Detection Test Testing Base and Extended Memory 1 2 Testing onboard memory size. The 1 2 Testing base memory from 240K to 3 D-LED will hang if the memory mod4 ule is damaged or not installed 3 4 640K and extended memory above 1MB using various patterns. properly. 1 2 Decompressing BIOS image to RAM 1 2 Assign Resources to all ISA. 3 4 for fast booting. 3 4 1 2 Initializing Keyboard Controller. 1 2 Initializing Hard Drive Controller This will initialize IDE drive and 3 4 3 4 controller. 1 2 Testing VGA BIOS 1 2 Initializing Floppy Drive Controller This will start writing VGA sign-on This will initialize Floppy Drive and 3 4 message to the screen. 3 4 controller. 1 3 Processor Initialization 2 This will show information regarding 1 4 the processor (like brand name, sys- 3 tem bus, etc...) 2 BootAttempt This will set low stack and boot via 4 INT 19h. 1 2 1 2 3 Testing RTC (Real Time Clock) 4 3 4 Operating System Booting 2-19