Richards-MacBook-Pro:~ richard$ avrdude -c stk600 -p m2560 -v -P usb
avrdude: Version 5.11.1, compiled on Feb 16 2012 at 22:11:20
Copyright (c) 2000-2005 Brian Dean, http://w...content-available-to-author-only...o.com/
Copyright (c) 2007-2009 Joerg Wunsch
System wide configuration file is "/usr/local/CrossPack-AVR-20120217/etc/avrdude.conf"
User configuration file is "/Users/richard/.avrduderc"
User configuration file does not exist or is not a regular file, skipping
Using Port : usb
Using Programmer : stk600
avrdude: usbdev_open(): Found STK600, serno: 004A8D686EED
AVR Part : ATMEGA2560
Chip Erase delay : 9000 us
PAGEL : PD7
BS2 : PA0
RESET disposition : dedicated
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Timeout : 200
StabDelay : 100
CmdexeDelay : 25
SyncLoops : 32
ByteDelay : 0
PollIndex : 3
PollValue : 0x53
Memory Detail :
Block Poll Page Polled
Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack
----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
eeprom 65 10 8 0 no 4096 8 0 9000 9000 0x00 0x00
flash 65 10 256 0 yes 262144 256 1024 4500 4500 0x00 0x00
lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
Programmer Type : STK600
Description : Atmel STK600
Programmer Model: STK600
Hardware Version: 3
Firmware Version Master : 2.25
Firmware Version Slave 1: 2.01
Firmware Version Slave 2: 2.02
Routing card : Not present
Socket card : STK600-ATMEGA2560
RC_ID table rev : 94
EC_ID table rev : 1
Vtarget : 4.8 V
Varef 0 : 0.00 V
Varef 1 : 0.00 V
SCK period : 400.00 us
Oscillator : 1.100 kHz
avrdude: stk500v2_command(): command failed
avrdude: stk500v2_program_enable(): bad AVRISPmkII connection status: Unknown status 0x00
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.
avrdude done. Thank you.