I don't know the real HW-Version. On the PCB is 1.1 printed. On the case there is 1.6 and in the inside there is a sticker with 1.7.

Here is the serial boot log

<\r>

<\n><\r>

<\n>U-Boot 1.1.4 (Sep 25 2012 - 09:04:47)<\r>

<\n><\r>

<\n>AP121 (ar9330) U-boot<\r>

<\n><\r>

<\n>DRAM: 32 MB<\r>

<\n>led turning on for 1s...<\r>

<\n>id read 0x100000ff<\r>

<\n>flash size 4194304, sector count = 64<\r>

<\n>Flash: 4 MB<\r>

<\n>Using default environment<\r>

<\n><\r>

<\n>In: serial<\r>

<\n>Out: serial<\r>

<\n>Err: serial<\r>

<\n>Net: ag7240_enet_initialize...<\r>

<\n>No valid address in Flash. Using fixed address<\r>

<\n>No valid address in Flash. Using fixed address<\r>

<\n>: cfg1 0x5 cfg2 0x7114<\r>

<\n>eth0: 00:03:7f:09:0b:ad<\r>

<\n>ag7240_phy_setup <\r>

<\n>eth0 up<\r>

<\n>: cfg1 0xf cfg2 0x7214<\r>

<\n>eth1: 00:03:7f:09:0b:ad<\r>

<\n>athrs26_reg_init_lan<\r>

<\n>ATHRS26: resetting s26<\r>

<\n>ATHRS26: s26 reset done<\r>

<\n>ag7240_phy_setup <\r>

<\n>eth1 up<\r>

<\n>eth0, eth1<\r>

<\n>Autobooting in 1 seconds<\r>

<\n>## Booting image at 9f020000 ...<\r>

<\n> Uncompressing Kernel Image ... OK<\r>

<\n><\r>

<\n>Starting kernel ...<\r>

<\n><\r>

<\n>[ 0.000000] Linux version 3.3.8 (blogic@Debian-60-squeeze-64-minimal) (gcc version 4.6.3 20120201 (prerelease) (Linaro GCC 4.6-2012.02) ) #2 Mon Sep 3 17:51:18 UTC 2012<\r>

<\n>[ 0.000000] bootconsole [early0] enabled<\r>

<\n>[ 0.000000] CPU revision is: 00019374 (MIPS 24Kc)<\r>

<\n>[ 0.000000] SoC: Atheros AR9330 rev 1<\r>

<\n>[ 0.000000] Clocks: CPU:400.000MHz, DDR:400.000MHz, AHB:200.000MHz, Ref:25.000MHz<\r>

<\n>[ 0.000000] Determined physical RAM map:<\r>

<\n>[ 0.000000] memory: 02000000 @ 00000000 (usable)<\r>

<\n>[ 0.000000] Initrd not found or empty - disabling initrd<\r>

<\n>[ 0.000000] Zone PFN ranges:<\r>

<\n>[ 0.000000] Normal 0x00000000 -> 0x00002000<\r>

<\n>[ 0.000000] Movable zone start PFN for each node<\r>

<\n>[ 0.000000] Early memory PFN ranges<\r>

<\n>[ 0.000000] 0: 0x00000000 -> 0x00002000<\r>

<\n>[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 8128<\r>

<\n>[ 0.000000] Kernel command line: board=TL-WR703N console=ttyATH0,115200 rootfstype=squashfs,jffs2 noinitrd<\r>

<\n>[ 0.000000] PID hash table entries: 128 (order: -3, 512 bytes)<\r>

<\n>[ 0.000000] Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)<\r>

<\n>[ 0.000000] Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)<\r>

<\n>[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.<\r>

<\n>[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes<\r>

<\n>[ 0.000000] Writing ErrCtl register=00000000<\r>

<\n>[ 0.000000] Readback ErrCtl register=00000000<\r>

<\n>[ 0.000000] Memory: 29136k/32768k available (2198k kernel code, 3632k reserved, 412k data, 208k init, 0k highmem)<\r>

<\n>[ 0.000000] SLUB: Genslabs=9, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1<\r>

<\n>[ 0.000000] NR_IRQS:51<\r>

<\n>[ 0.000000] Calibrating delay loop... 265.42 BogoMIPS (lpj=1327104)<\r>

<\n>[ 0.080000] pid_max: default: 32768 minimum: 301<\r>

<\n>[ 0.080000] Mount-cache hash table entries: 512<\r>

<\n>[ 0.090000] NET: Registered protocol family 16<\r>

<\n>[ 0.090000] gpiochip_add: registered GPIOs 0 to 29 on device: ath79<\r>

<\n>[ 0.100000] MIPS: machine is TP-LINK TL-WR703N v1<\r>

<\n>[ 0.340000] bio: create slab <bio-0> at 0<\r>

<\n>[ 0.350000] Switching to clocksource MIPS<\r>

<\n>[ 0.350000] NET: Registered protocol family 2<\r>

<\n>[ 0.360000] IP route cache hash table entries: 1024 (order: 0, 4096 bytes)<\r>

<\n>[ 0.360000] TCP established hash table entries: 1024 (order: 1, 8192 bytes)<\r>

<\n>[ 0.360000] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)<\r>

<\n>[ 0.370000] TCP: Hash tables configured (established 1024 bind 1024)<\r>

<\n>[ 0.380000] TCP reno registered<\r>

<\n>[ 0.380000] UDP hash table entries: 256 (order: 0, 4096 bytes)<\r>

<\n>[ 0.390000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)<\r>

<\n>[ 0.390000] NET: Registered protocol family 1<\r>

<\n>[ 0.420000] squashfs: version 4.0 (2009/01/31) Phillip Lougher<\r>

<\n>[ 0.420000] JFFS2 version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.<\r>

<\n>[ 0.430000] msgmni has been set to 56<\r>

<\n>[ 0.430000] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)<\r>

<\n>[ 0.440000] io scheduler noop registered<\r>

<\n>[ 0.440000] io scheduler deadline registered (default)<\r>

<\n>[ 0.450000] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled<\r>

<\n>[ 0.460000] ar933x-uart: ttyATH0 at MMIO 0x18020000 (irq = 11) is a AR933X UART<\r>

<\n>[ 0.470000] console [ttyATH0] enabled, bootconsole disabled<\r>

<\n>[ 0.470000] console [ttyATH0] enabled, bootconsole disabled<\r>

<\n>[ 0.480000] m25p80 spi0.0: found en25q32b, expected m25p80<\r>

<\n>[ 0.480000] m25p80 spi0.0: en25q32b (4096 Kbytes)<\r>

<\n>[ 0.490000] 5 tp-link partitions found on MTD device spi0.0<\r>

<\n>[ 0.490000] Creating 5 MTD partitions on "spi0.0":<\r>

<\n>[ 0.500000] 0x000000000000-0x000000020000 : "u-boot"<\r>

<\n>[ 0.510000] 0x000000020000-0x000000108374 : "kernel"<\r>

<\n>[ 0.510000] mtd: partition "kernel" must either start or end on erase block boundary or be smaller than an erase block -- forcing read-only<\r>

<\n>[ 0.520000] 0x000000108374-0x0000003f0000 : "rootfs"<\r>

<\n>[ 0.530000] mtd: partition "rootfs" must either start or end on erase block boundary or be smaller than an erase block -- forcing read-only<\r>

<\n>[ 0.540000] mtd: partition "rootfs" set to be root filesystem<\r>

<\n>[ 0.550000] mtd: partition "rootfs_data" created automatically, ofs=2D0000, len=120000 <\r>

<\n>[ 0.550000] 0x0000002d0000-0x0000003f0000 : "rootfs_data"<\r>

<\n>[ 0.560000] 0x0000003f0000-0x000000400000 : "art"<\r>

<\n>[ 0.570000] 0x000000020000-0x0000003f0000 : "firmware"<\r>

<\n>[ 0.590000] ag71xx_mdio: probed<\r>

<\n>[ 0.600000] eth0: Atheros AG71xx at 0xb9000000, irq 4<\r>

<\n>[ 1.150000] ag71xx ag71xx.0: eth0: connected to PHY at ag71xx-mdio.1:04 [uid=004dd041, driver=Generic PHY]<\r>

<\n>[ 1.160000] TCP cubic registered<\r>

<\n>[ 1.160000] NET: Registered protocol family 17<\r>

<\n>[ 1.170000] 8021q: 802.1Q VLAN Support v1.8<\r>

<\n>[ 1.170000] VFS: Mounted root (squashfs filesystem) readonly on device 31:2.<\r>

<\n>[ 1.180000] Freeing unused kernel memory: 208k freed<\r>

<\n>- preinit -<\r>

<\n>Press the [f] key and hit [enter] to enter failsafe mode<\r>

<\n>- regular preinit -<\r>

<\n>[ 6.350000] JFFS2 notice: (436) jffs2_build_xattr_subsystem: complete building xattr subsystem, 1 of xdatum (0 unchecked, 0 orphan) and 11 of xref (0 dead, 2 orphan) found.<\r>

<\n>switching to jffs2<\r>

<\n>- init -<\r>

<\n><\r>

<\n>Please press Enter to activate this console. [ 8.210000] Compat-wireless backport release: compat-wireless-2012-07-13<\r>

<\n>[ 8.220000] Backport based on wireless-testing.git master-2012-07-16<\r>

<\n>[ 8.230000] compat.git: wireless-testing.git<\r>

<\n>[ 8.400000] cfg80211: Calling CRDA to update world regulatory domain<\r>

<\n>[ 8.400000] cfg80211: World regulatory domain updated:<\r>

<\n>[ 8.410000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)<\r>

<\n>[ 8.410000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 8.420000] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 8.430000] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 8.440000] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 8.450000] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 8.650000] usbcore: registered new interface driver usbfs<\r>

<\n>[ 8.650000] usbcore: registered new interface driver hub<\r>

<\n>[ 8.660000] usbcore: registered new device driver usb<\r>

<\n>[ 9.150000] ieee80211 phy0: Atheros AR9330 Rev:1 mem=0xb8100000, irq=2<\r>

<\n>[ 9.150000] cfg80211: Calling CRDA for country: US<\r>

<\n>[ 9.160000] cfg80211: Regulatory domain changed to country: US<\r>

<\n>[ 9.160000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)<\r>

<\n>[ 9.170000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)<\r>

<\n>[ 9.180000] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm)<\r>

<\n>[ 9.190000] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 9.190000] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 9.200000] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)<\r>

<\n>[ 9.210000] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm)<\r>

<\n>[ 9.270000] PPP generic driver version 2.4.2<\r>

<\n>[ 9.420000] ip_tables: (C) 2000-2006 Netfilter Core Team<\r>

<\n>[ 9.540000] NET: Registered protocol family 24<\r>

<\n>[ 9.560000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver<\r>

<\n>[ 9.560000] ehci-platform ehci-platform: Generic Platform EHCI Controller<\r>

<\n>[ 9.570000] ehci-platform ehci-platform: new USB bus registered, assigned bus number 1<\r>

<\n>[ 9.610000] ehci-platform ehci-platform: irq 3, io mem 0x1b000000<\r>

<\n>[ 9.630000] ehci-platform ehci-platform: USB 2.0 started, EHCI 1.00<\r>

<\n>[ 9.630000] hub 1-0:1.0: USB hub found<\r>

<\n>[ 9.630000] hub 1-0:1.0: 1 port detected<\r>

<\n>[ 9.660000] nf_conntrack version 0.5.0 (458 buckets, 1832 max)<\r>

<\n>[ 9.890000] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver<\r>

<\n>[ 12.790000] device eth0 entered promiscuous mode<\r>

<\n>