Full error log:
avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "C:\Users\zhou\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino9/etc/avrdude.conf"
Using Port : COM4
Using Programmer : arduino
Overriding Baud Rate : 38400
AVR Part : ATmega644P
Chip Erase delay : 55000 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 10 128 0 no 2048 8 0 9000 9000 0xff 0xff
flash 33 6 256 0 yes 65536 256 256 4500 4500 0xff 0xff
lock 0 0 0 0 no 1 0 0 9000 9000 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
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00
Programmer Type : Arduino
Description : Arduino
Hardware Version: 2
Firmware Version: 1.16
Vtarget : 0.0 V
Varef : 0.0 V
Oscillator : Off
SCK period : 0.1 us
avrdude: AVR device initialized and ready to accept instructions
Reading | ################################################## | 100% 0.01s
avrdude: Device signature = 0x1e960a (probably m644p)
avrdude: reading input file "C:\Users\zhou\AppData\Local\Temp\build60a30a32187ba25eaa7c8ee7ab047c4e.tmp/Blink.ino.hex"
avrdude: writing flash (984 bytes):
Writing | ################################################## | 100% 0.38s
avrdude: 984 bytes of flash written
avrdude: verifying flash memory against C:\Users\zhou\AppData\Local\Temp\build60a30a32187ba25eaa7c8ee7ab047c4e.tmp/Blink.ino.hex:
avrdude: load data flash data from input file C:\Users\zhou\AppData\Local\Temp\build60a30a32187ba25eaa7c8ee7ab047c4e.tmp/Blink.ino.hex:
avrdude: input file C:\Users\zhou\AppData\Local\Temp\build60a30a32187ba25eaa7c8ee7ab047c4e.tmp/Blink.ino.hex contains 984 bytes
avrdude: reading on-chip flash data:
Reading | ################################################## | 100% 0.38s
avrdude: verifying ...
avrdude: verification error, first mismatch at byte 0x0002
0x80 != 0x78
avrdude: verification error; content mismatch
avrdude done. Thank you.
the selected serial port
does not exist or your board is not connected