SEGGER J-Link Commander V4.74 ('?' for help)
Compiled Jul 17 2013 11:52:37
DLL version V4.58, compiled Nov 29 2012 14:32:24
Firmware: J-Link ARM V8 compiled Nov 25 2013 19:20:08
Hardware: V8.00
S/N: xxxxxxxxxxx 
OEM: SEGGER-EDU 
Feature(s): FlashBP, GDB 
VTarget = 3.254V
Info: TotalIRLen = 9, IRPrint = 0x0011
Info: ARM AP[0]: 0x00460000, JTAG-AP

****** Error: No APB-AP found.
No devices found on JTAG chain. Trying to find device on SWD.
Info: Found SWD-DP with ID 0x2BA01477
Info: Found SWD-DP with ID 0x2BA01477
No device found on SWD.
Did not find any core.
Failed to identify target. Trying again with slow (4 kHz) speed.
Info: TotalIRLen = 9, IRPrint = 0x0011
Info: ARM AP[0]: 0x00460000, JTAG-AP

****** Error: No APB-AP found.
No devices found on JTAG chain. Trying to find device on SWD.
Info: Found SWD-DP with ID 0x2BA01477
Info: Found SWD-DP with ID 0x2BA01477
No device found on SWD.
Did not find any core.
J-Link>

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SEGGER J-Link Commander V4.74 ('?' for help)
Compiled Jul 17 2013 11:52:37
DLL version V4.58, compiled Nov 29 2012 14:32:24
Firmware: J-Link ARM V8 compiled Nov 25 2013 19:20:08
Hardware: V8.00
S/N: xxxxxxxxxxx 
OEM: SEGGER-EDU 
Feature(s): FlashBP, GDB 
VTarget = 3.261V
Info: TotalIRLen = 9, IRPrint = 0x0011
Info: Found Cortex-M4 r0p1, Little endian.
Info: TPIU fitted.
Info: ETM fitted.
Info: FPUnit: 6 code (BP) slots and 2 literal slots
Found 2 JTAG devices, Total IRLen = 9:
 #0 Id: 0x4BA00477, IRLen: 04, IRPrint: 0x1, CoreSight JTAG-DP (ARM)
 #1 Id: 0x06413041, IRLen: 05, IRPrint: 0x1, STM32 Boundary Scan
Cortex-M4 identified.
JTAG speed: 100 kHz
J-Link>h

WARNING: CPU could not be halted
J-Link>