diff --git a/software/os/debian-unmatched.md b/software/os/debian-unmatched.md
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+# Debian on the SiFive HiFive Unmatched RISC-V Motherboard
+
+```
+sudo apt install mmdebstrap qemu-user-static binfmt-support debian-ports-archive-keyring
+
+sudo mmdebstrap								\
+	--architectures=riscv64						\
+	--include="debian-ports-archive-keyring"			\
+	sid								\
+	unmatched-root							\
+	"deb http://deb.debian.org/debian-ports/ sid main"		\
+	"deb http://deb.debian.org/debian-ports/ unreleased main"	\
+	--aptopt='Acquire::Languages { "environment"; "en"; }'		\
+	--aptopt='Acquire::Languages "none"'				\
+	--aptopt='Apt::Install-Recommends "false"'			\
+	--aptopt='Acquire::http::Proxy "http://192.168.110.8:3142"'	\
+	--variant=apt							\
+	--dpkgopt="path-exclude=/usr/share/man/*"			\
+	--dpkgopt='path-exclude=/usr/share/doc/*'			\
+	--include=net-tools,iproute2,isc-dhcp-client,systemd,udev,debian-archive-keyring,debian-ports-archive-keyring,debian-keyring,gnupg2,systemd-sysv,procps,lshw,ifupdown,kmod,nano,fdisk,parted,e2fsprogs,sshfs,rsyslog,less,sudo,apt-utils,locales
+
+# Go into root and fix some stuff up:
+# /etc/fstab
+# /dev/mmc*
+# mkdir /dev/pts
+# /dev/nvme*
+# symlink /sbin/init
+
+cd unmatched-root/etc/
+sudo vim fstab
+# thusly:
+proc            /proc           proc    defaults                                0  0
+devpts          /dev/pts        devpts  mode=0620,ptmxmode=0666,gid=5           0  0
+tmpfs           /run            tmpfs   mode=0755,nodev,nosuid,strictatime      0  0
+sysfs           /sys            sysfs   defaults        0 0
+
+/dev/nvme0n1p4  /               auto    errors=remount-ro                       0  1
+/dev/mmcblk0p3  /boot           vfat    defaults                                0  0
+
+
+
+####
+cd ../dev
+#sudo mkdir -p pts
+# maybe?
+sudo mknod mmcblk0 b 179 0
+sudo mknod mmcblk0p1 b 179 1
+sudo mknod mmcblk0p2 b 179 2
+sudo mknod mmcblk0p3 b 179 3
+sudo mknod mmcblk0p4 b 179 4
+sudo mknod mmcblk0p5 b 179 5
+sudo mknod mmcblk0p6 b 179 6
+# nvme ?
+# XXX NOTE /dev permissions are bad! XXX
+sudo chmod 600 console
+sudo chown root:disk mmcblk0*
+sudo chmod 660 mmcblk0*
+
+cd ../sbin/
+# already there?
+sudo ln -s /lib/systemd/systemd init
+
+# Set up network
+vim etc/network/interfaces
+# fill with:
+source /etc/network/interfaces.d/*
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet dhcp
+
+###
+# root image is done, tarball it
+cd ../../
+sudo tar cf unmatched-root.tar unmatched-root/
+# put unmatched-root.tar on webserver for Unmatched to wget
+# put sda1 sda2 sda3 for Umatched to wget
+dd if=sda1 of=/dev/nvme0n1p1
+dd if=sda2 of=/dev/nvme0n1p2
+dd if=sda3 of=/dev/nvme0n1p3 status=progress
+sync
+```
+
+# On the Unmatched
+Log in via serial to the default Unmatched image.
+
+## Get root tarball
+wget http://192.168.1.1/unmatched-root.tar
+sync
+
+## Partition nvme drives
+Set up partions similar to sd card:
+```
+root@unmatched:~# fdisk -l /dev/mmcblk0
+...
+Device          Start      End  Sectors  Size Type
+/dev/mmcblk0p1     34     2081     2048    1M HiFive Unleashed FSBL
+/dev/mmcblk0p2   2082    10273     8192    4M HiFive Unleashed BBL
+/dev/mmcblk0p3  16384   282623   266240  130M Microsoft basic data
+/dev/mmcblk0p4 286720 13918207 13631488  6.5G Linux filesystem
+```
+
+```
+fdisk /dev/nvme0n1
+# g for GPT partition
+# n for new partion
+# 1 for partition 1
+# 2048 for first sector
+# +1M for size
+# t for type
+# 107 for HiFive Unleashed FSBL
+# n for new partition
+# 2 for partition 2
+# 4096 for first sector
+# +4M for size
+# t for type
+# 2 for partition 2
+# 108 for HiFive Unleashed BBL
+# n for new partition
+# 3 for partition 3
+# 12288 for first sector
+# +130M for size
+# t for type
+# 3 for partition 3
+# 11 for Microsoft basic data
+# n for new partition
+# 4 for partition 4
+# 278528 for first sector
+# <enter> for last sector (max size)
+# w for write and exit
+
+# format the thing:
+mkfs.vfat /dev/nvme0n1p3
+mkfs.ext4 /dev/nvme0n1p4
+
+# set the time or tar complains:
+date -u --set="20210602 12:00:00"
+
+# mount up
+mount /dev/nvme0n1p4 /mnt
+cd /mnt
+tar xf ~/unmatched-root.tar
+mv unmatched-root/*
+rmdir unmatched-root
+cd
+vim etc/shadow
+vim etc/hostname
+umount /mnt
+fsck /dev/nvme0n1p4
+
+# XXX CRYPTSETUP
+# XXX hostname
+# XXX root password
+sed -i -e 's/root:\*/root:/g' /run/media/nvme0n1p4/etc/shadow
+# XXX dd sda1 sda2 onto nvme
+apt install dialog
+```
+## Edit /boot/extlinux/extlinux.conf
+default debian
+label debian
+   menu label debian
+   kernel /Image.gz
+   fdt /hifive-unmatched-a00.dtb
+   append earlyprintk rw root=/dev/nvme0n1p4 rootfstype=ext4 rootwait console=ttySIF0,115200 earlycon
+
+#
+umount /boot/
+fsck /dev/mmcblk0p3
+
+poweroff
+
+```