$ avrdude -pm8 -c avr911 -P /dev/cu.SLAB_USBtoUART -b 19200 -U flash:w:blink.hex:a -vvv -C ./avrdude.conf avrdude: Version 5.6, compiled on Apr 15 2009 at 17:54:59 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ System wide configuration file is "./avrdude.conf" User configuration file is "/Users/vinz/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : /dev/cu.SLAB_USBtoUART Using Programmer : avr911 avr910_devcode (avrdude.conf) : 0x76 Overriding Baud Rate : 19200 avrdude: ser_open(): can't open device "/dev/cu.SLAB_USBtoUART": Resource busy iMac:Release vinz$ avrdude -pm8 -c avr911 -P /dev/cu.SLAB_USBtoUART -b 19200 -U flash:w:blink.hex:a -vvv -C ./avrdude.conf avrdude: Version 5.6, compiled on Apr 15 2009 at 17:54:59 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ System wide configuration file is "./avrdude.conf" User configuration file is "/Users/vinz/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : /dev/cu.SLAB_USBtoUART Using Programmer : avr911 avr910_devcode (avrdude.conf) : 0x76 Overriding Baud Rate : 19200 AVR Part : ATMEGA8 Chip Erase delay : 10000 us PAGEL : PD7 BS2 : PC2 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 4 20 128 0 no 512 0 0 9000 9000 0xff 0xff Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- flash 33 10 64 0 yes 8192 64 128 4500 4500 0xff 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- lfuse 0 0 0 0 no 1 0 0 2000 2000 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- hfuse 0 0 0 0 no 1 0 0 2000 2000 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- lock 0 0 0 0 no 1 0 0 2000 2000 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- calibration 0 0 0 0 no 4 0 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Programmer Type : avr910 Description : Atmel AppNote AVR911 AVROSP Connecting to programmer: . Found programmer: Id = "AVR ISP"; type = S Software Version = 2.5; Hardware Version = 2.0 Programmer supports auto addr increment. Programmer supports buffered memory access with buffersize=512 bytes. Programmer supports the following devices: Device code: 0x01 Device code: 0x02 Device code: 0x03 Device code: 0x04 Device code: 0x05 Device code: 0x06 Device code: 0x07 Device code: 0x08 Device code: 0x09 Device code: 0x0a Device code: 0x0b Device code: 0x0c Device code: 0x0d Device code: 0x0e Device code: 0x0f Device code: 0x10 Device code: 0x11 Device code: 0x12 Device code: 0x13 Device code: 0x14 Device code: 0x15 Device code: 0x16 Device code: 0x17 Device code: 0x18 Device code: 0x19 Device code: 0x1a Device code: 0x1b Device code: 0x1c Device code: 0x1d Device code: 0x1e Device code: 0x1f Device code: 0x20 Device code: 0x21 Device code: 0x22 Device code: 0x23 Device code: 0x24 Device code: 0x25 Device code: 0x26 Device code: 0x27 Device code: 0x28 Device code: 0x29 Device code: 0x2a Device code: 0x2b Device code: 0x2c Device code: 0x2d Device code: 0x2e Device code: 0x2f Device code: 0x30 Device code: 0x31 Device code: 0x32 Device code: 0x33 Device code: 0x34 Device code: 0x35 Device code: 0x36 Device code: 0x37 Device code: 0x38 Device code: 0x39 Device code: 0x3a Device code: 0x3b Device code: 0x3c Device code: 0x3d Device code: 0x3e Device code: 0x3f Device code: 0x40 Device code: 0x41 Device code: 0x42 Device code: 0x43 Device code: 0x44 Device code: 0x45 Device code: 0x46 Device code: 0x47 Device code: 0x48 Device code: 0x49 Device code: 0x4a Device code: 0x4b Device code: 0x4c Device code: 0x4d Device code: 0x4e Device code: 0x4f Device code: 0x50 Device code: 0x51 Device code: 0x52 Device code: 0x53 Device code: 0x54 Device code: 0x55 Device code: 0x56 Device code: 0x57 Device code: 0x58 Device code: 0x59 Device code: 0x5a Device code: 0x5b Device code: 0x5c Device code: 0x5d Device code: 0x5e Device code: 0x5f Device code: 0x60 Device code: 0x61 Device code: 0x62 Device code: 0x63 Device code: 0x64 Device code: 0x65 Device code: 0x66 Device code: 0x67 Device code: 0x68 Device code: 0x69 Device code: 0x6a Device code: 0x6b Device code: 0x6c Device code: 0x6d Device code: 0x6e Device code: 0x6f Device code: 0x70 Device code: 0x71 Device code: 0x72 Device code: 0x73 Device code: 0x74 Device code: 0x75 Device code: 0x76 Device code: 0x77 Device code: 0x78 Device code: 0x79 Device code: 0x7a Device code: 0x7b Device code: 0x7c Device code: 0x7d Device code: 0x7e Device code: 0x7f avrdude: devcode selected: 0x01 avrdude: AVR device initialized and ready to accept instructions Reading | ################################################## | 100% 0.05s avrdude: Device signature = 0x1e9307 avrdude: safemode read 1, lfuse value: 62 avrdude: safemode read 2, lfuse value: 62 avrdude: safemode read 3, lfuse value: 62 avrdude: safemode: lfuse reads as 62 avrdude: safemode read 1, hfuse value: df avrdude: safemode read 2, hfuse value: df avrdude: safemode read 3, hfuse value: df avrdude: safemode: hfuse reads as DF avrdude: NOTE: FLASH memory has been specified, an erase cycle will be performed To disable this feature, specify the -D option. avrdude: erasing chip avrdude: reading input file "blink.hex" avrdude: input file blink.hex auto detected as Intel Hex avrdude: writing flash (1168 bytes): Writing | ###################### | 43% 0.55s avrdude: ser_recv(): programmer is not responding avrdude: butterfly_recv(): programmer is not responding