Linksys WPC600N

Overview
WPC600N serial numbers appear to start with ANV0 or MNV0.

lspci -nnv dump
Network controller: Broadcom BCM4321 802.11a/b/g/n [14e4:4328] (rev 01) Subsystem: Linksys WPC600N v1 802.11a/b/g/n Wireless-N Adapter [1737:0066] Flags: bus master, fast devsel, latency 64, IRQ 19 Memory at f1d00000 (32-bit, non-prefetchable) [size=16K] Kernel driver in use: b43-pci-bridge

ssb + b43 dump
ssb: Found chip with id 0x4321, rev 0x01 and package 0x01 ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x12, vendor 0x4243) ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x0B, vendor 0x4243) ssb: Core 2 found: PCI-E (cc 0x820, rev 0x02, vendor 0x4243) ssb: Core 3 found: PCI (cc 0x804, rev 0x0D, vendor 0x4243) ssb: Core 4 found: USB 1.1 Host (cc 0x817, rev 0x04, vendor 0x4243) ssb: Sonics Silicon Backplane found on PCI device 0000:06:00.0 b43-phy5: Broadcom 4321 WLAN found (core revision 11) b43-phy5: Found PHY: Analog 5, Type 4 (N), Revision 1 Broadcom 43xx driver loaded [ Features: PNL ] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' b43-phy5: Loading firmware version 666.2 (2011-02-23 01:15:07) b43-phy5 ERROR: Fatal DMA error: 0x00000400, 0x00000000, 0x00000000 b43-phy5 ERROR: This device does not support DMA on your system. It will now be switched to PIO. b43-phy5: Controller RESET (DMA error) ... b43-phy5: Loading firmware version 666.2 (2011-02-23 01:15:07) b43-phy5 warning: Forced PIO by use_pio module parameter. This should not be needed and will result in lower performance. b43-phy5: Controller restarted IPv6: ADDRCONF(NETDEV_UP): wlan147: link is not ready

Pictures
FCCID