sorry for dirty mail ( becasue on gmail , it is not dirty ) so again send .
--- 'original initrd.gz' doesn't have firmware of e100/d101m_ucode.bin . so ifailed . i read http://qiita.com/harukasan/items/98db5f4639433e5e40d4 . then i make initrd_nonfree.gz . cd /tftpdboot/debian-installer/i386/ cp initrd.gz initrd.gz-original mv initrd.gz-original initrd.gz ls -l /tftpdboot/debian-installer/i386/ total 52096 drwxr-xr-x 5 root wheel 512 Jul 20 00:19 boot-screens -rw-r--r-- 1 root wheel 17706681 Aug 12 11:24 initrd.gz -rw-r--r-- 1 root wheel 6683528 Aug 12 11:24 initrd.gz-original -rw-r--r-- 1 root wheel 2195008 Jul 15 12:52 linux -rw-r--r-- 1 root wheel 26816 Jul 15 12:47 pxelinux.0 drwxr-xr-x 2 root wheel 512 Jul 15 12:44 pxelinux.cfg cat /etc/dhcpd.conf option domain-name-servers 192.168.1.1; subnet 192.168.11.0 netmask 255.255.255.0 { option routers 192.168.11.1; range 192.168.11.32 192.168.11.33; filename "pxelinux.0"; next-server 192.168.11.1; } ------ and in addition i install openbsd by openbsd PXE server. this process is much faster and simpler . next is only memo . mkdir /tftpdboot cd /tftpdboot wget http://ftp.openbsd.org/pub/OpenBSD/5.5/i386/pxeboot wget http://ftp.openbsd.org/pub/OpenBSD/5.5/i386/bsd.rd ln -s pxeboot pxelinux.0 mkdir etc/ cat etc/boot.conf boot tftp:/bsd.rd tftpd /tftpdboot/ ----- tuyosi