PC Engines ALIX.2 / ALIX.3 / ALIX.6 series system boards
Contents
1. Compact Flash np CLK4SA DDR MA RAS AMD Geode E ock 48MHz DRAM CAS HWE LX7 BAA POLK PLL CUSB version 2 2 64 i E ECL Z 2W 2 6V71 265V x 4 pir 3V a4 SERERE HEH PCI bus og re LPC bus mr paper ae E xd miniPCI YT61 5M VT6185M VTBIBSM BIOS LPC 1 or 2x LAN 1 AN 2 LAN 3 flash header 3 3 8 32V 2 5V 5 3 3M 2 5V io 3 3V amp 3 3 6 DC DC converter qoop oh D Nr ALIX connector pinouts References refer to ALIX 2 ALIX 3 ALIX 6 J5 J3 J5 COM serial port The standard PC pinout is used To connect to a PC use a null modem or Laplink cable Due to limitations of the AMD CS5536 companion chip only RXD TXD are available for your software handshake signals cannot be observed or controlled 1 DCD data carrier detect input not available on C 5536 2 RXD receive data input 3 TXD transmit data output 4 DTR data terminal ready output always driven active 5 GND ground 6 DSR data set ready input not available on CS5536 7 RTS ready to send output always driven active 8 CTS clear to send input not available on CS5536 9 RI ring indicator input not available on CS5536 J14 J17 J19 COM1 serial port 3 3V levels build option This header is available on alix 2d alix 3d alix 6b and later This port is connected in para2. 15 19 GND ground 20 key key pin missing 21 HDRQ IDE DMA request 22 GND ground 23 HDIOW IDE I O write 24 GND ground 25 HDIOR IDE I O read ALIX system board 15 5 5 2010 26 GND 27 HDIORDY 28 CSEL 29 HDACK 30 GND 31 HDIRQ 32 nc 33 HDA1 34 HDPDIA 35 HDAO 36 HDA2 37 HDCSO 38 HDCS1 39 HDLED 40 GND 41 VCC 42 VCC 43 GND 44 GND J10 J15 J10 ground IDE I O ready cable select pull down IDE DMA acknowledge ground IDE interrupt no connect IDE address 1 IDE diagnostic 80 pin cable ID IDE address 0 IDE address 2 IDE chip select 0 IDE chip select 1 IDE led output ground 5V power 5V power ground ground CompactFlash The CompactFlash card is used in True IDE mode Hot insertion is not supported please power off the unit before inserting a CF card ANADUNBWN PR NONNNNNNN PRP RPP RP RP RP RRP RPO UA NA WNPRP TWO WOATIA TH WN KY c GND D3 D4 D5 D6 D7 CS0 A10 ATASEL A9 A8 A7 VCC A6 A5 A4 A3 A2 A1 AO DO D1 D2 1016 CD2 CD1 D11 ALIX system board ground IDE data IDE data IDE data IDE data IDE data IDE decode 1F0 1F7 ground ground to select true IDE mode ground ground ground 3 3V power supply ground ground ground ground IDE address IDE address IDE address IDE data IDE data IDE data 16 bit decode not connected catd detect not connected card detect not connected IDE data 16 5 5 2010
3. 3 before booting the operating system Location GPIO read port write port LED left G6 port 06100h bit 6 port 06100h bit 6 22 LED2 middle G25 port 06180h bit 9 port 06180h bit 9 25 LED3 right G27 port 06180h bit 11 port 06180h bit 11 27 The CS5536 GPIO ports are programmed by 32 bit atomic writes This avoids the need for read modify write operations and the locking issues they entail For example to turn off LED1 high write 0000 0040h to port 06100h To turn on LED1 low write 0040 0000h Multiple port bits can be changed at the same time On ALIX 6 please note that LED3 is driven by the miniPCI express card by default GPIO27 controls the W DIS radio inhibit signal instead Drive low 0 to inhibit high 1 to enable the miniPCI express radio Mode switch The mode switch can be accessed by software as follows Location GPIO read port MODESW G24 port 061b0h bit 8 active low 0 switch pressed Low level programming Please see www pcengines ch file alixllc zip for sample code ALIX system board 20 5 5 2010 BIOS POST codes tinyBIOS writes POST diagnostic codes to port 80h To make these codes visible use a miniPCI POST card such as PC Engines POST 5A POST codes ate 01 02 03 04 05 06 07 08 09 Oa Ob Oc Od Oe Of 10 11 12 13 14 15 16 17 18 19 la 1b Ic 1d le 1f 20 21 22 23 24 25 26 27 00 33 F7 reset entry chipset initialization detect base memory siz
4. 6 2 ESD susceptibility residential and industrial The unit under test is in conformity with the standards mentioned above A copy of the test report will be provided on request ALIX system board 4 5 5 2010 Compliance information For FCC ALIX has been tested as a CPU board installed in an enclosure with the top cover removed No further testing should be required if the board is used with other FCC tested modular components Please see http www fcc gov oet for more details The responsible party for FCC is the importer Testing for CE mark must be done at the level of the complete product possibly including the wireless cards Please contact PC Engines for assistance and documentation For satisfactory resistance to electrostatic discharge events ESD the ALIX board should be grounded e g through the mounting holes or the serial port connector The USB port on ALIX 2B ALIX 3B boatds is sensitive to ESD events spurious overcurrent events may be detected in this version Recycling disposal Do not discard electronic products in household trash All waste electronics equipment should be recycled according to local regulations Information for the recycler Please cut off Lithium battery if present for separate recycling PC Engines enclosures are made of aluminium ALIX system board 5 5 5 2010 Introduction features PC Engines ALIX boards are small form factor system boards optimized for wireless routing
5. 28 D12 IDE data 29 D13 IDE data 30 D14 IDE data 31 D15 IDE data 32 CS1 IDE decode 3F6 3F7 33 VS1 not connected 34 IOR IDE read strobe 35 IOW IDE write strobe 36 WEZ connected to 3 3V 37 IRQ IDE interrupt 38 VCC 3 3V power supply 39 CSEL cable select ground master 40 VS2 not connected 41 RESET IDE teset active low 42 IORDY IDE ready 43 INPACK IDE DMA request 44 REG IDE DMA acknowledge 45 DASP pulled up 46 PDIAG pulled up 47 D8 IDE data 48 D9 IDE data 49 D10 IDE data 50 GND ground The CompactFlash specification can be found at www compactflash org J1 J6 jii LPC expansion The LPC port is used in the factory to connect an alternate flash BIOS to start the board when the on board flash is corrupted or blank Use PC Engines adapter LPC 1A for this purpose if needed The LCP port can also be used to connect a super I O device Unlike SC1100 based WRAP boards this port cannot be reprogrammed as GPIO pins Contact PC Engines for sample schematics if required 1 LCLKO LPC clock 33 MHz 2 GND ground 3 LADO LPC data 0 4 GND ground 5 LAD1 LPC data 1 6 GND ground 7 LAD2 LPC data 2 8 GND ground 9 LAD3 LPC data 3 10 GND ground 11 LFRAME LPC frame 12 GND ground 13 PCIRST reset active low 14 CLK48 supet I O clock 48 MHz 15 ISP high to use LPC flash low to use on board flash pulled low by resistor 16 VGC 5V supply 17 GND ground ALIX system board 17 5 5 2010 18 V3 1
6. 5 5 2010 Getting started Install a bootable CF card Hot swap of CF cards is not supported Connect serial port to a PC through null modem cable RXD TXD crossed over Set terminal emulator to 38400 8N1 flow control none or xon xoff Connect Ethernet as needed Connect a 18V DC power supply to the DC jack Power supply should be able to supply at least 12W for some margin To avoid arcing please plug in the DC jack first then plug the adapter into mains The board should now power on All three LEDs will light during BIOS POST then the system will try to boot and turn off two of the LEDs ALIX 6B2 one of the LEDs is driven by the miniPCI express card normally not lit You should see tinyBIOS startup messages memory size CF disk geometry on the serial console ALIX 3 3 is different uses Award BIOS Press Delete to enter setup Escape to get the boot menu Setup options To enter setup type S during the memory test You should see something like the following PC Engines ALIX 2 v0 98j 640 KB Base Memory 261120 KB Extended Memory O1FO Master 848A CF 128MB Phys C H S 1002 8 32 Log C H S 1002 8 32 BIOS setup 9600 baud 2 19200 baud 3 38400 baud 5 57600 baud 1 115200 baud CHS mode L LBA mode W HDD wait V HDD slave U UDMA enable MFGPT workaround late PCI init Serial console enable PXE boot enable Xmodem upload Quit sets baud rate to 9600 baud sets baud rate to 19200 baud sets
7. 9 SERIRQ 20 LDRO J13 J8 3 3V supply serial interrupt LPC DMA request I2C bus build option This optional header can be used to connect user specific hardware e g a front panel microcontroller or for a licensing dongle See AMD CS5536 data sheet for programming details power supply I2C clock I2C data ground Starting with alix 2d and alix 6c versions the following pins have been added 1 3 3V 2 SMB_SCL 3 SMB_SDA 4 GND 5 MODESW 6 RLED1 7 RLED2 8 RLED3 J12 z J13 z same as switch S1 cathode of LED1 cathode of LED2 cathode of LED3 Headphone out build option Microphone in build option Only populated on alix 3 3 version Starting with alix 3d3 this connector can also be configured to connect to line in Please see schematics for details parts marked with are not populated t VGA build option Only populated on alix 3 3 version 1 VGAR VGA ted 2 VGAG VGA green 3 VGAB VGA blue 4 nc no connect 5 GND ground 6 GND ground 7 GND ground 8 GND ground 9 USBVCC 5V supply fused 10 GND ground 11 nc no connect 12 DDCDAT DDC data 13 HS horizontal sync 14 VS vertical sync 15 DDCCLK DDC clock BT1 BT1 BT1 RTC battery build option Footprint for CR2032 Lithium battery Please observe correct polarity top side of the battery is positive terminal For alix 3d and later also add a jumper on J16 pins 1 to 2 This is the CMOS reset jumper for
8. PC Engines ALIX 2 ALIX 3 ALIX 6 series system boards 2007 2009 PC Engines GmbH All rights reserved PC Engines GmbH www pcengines ch tinyBIOS and PC Engines are trademarks of PC Engines GmbH All other marks and brands are property of their respective owners ALIX system board 2 5 5 2010 Table of contents Federal Communications Commission Statement CE Declaration of Conformity Compliance information Recycling disposal Introduction features OEM options ALIX 2 series ALIX 3 series ALIX 6 series Setup options BIOS upgrade PXE boot Power over Ethernet Hardware compatibility High power radio cards Operating system compatibility FreeBSD FreeDOS MS DOS 5 0 Linux NetBSD OpenBSD ALIX block diagram ALIX connector pinouts Status LEDs Mode switch Low level programming BIOS POST codes ALIX system board 3 o oo 1 aoan Ui A A N N N Ne ome e m PP RP PB PB BP BP BP om om n O oOo CO Ww Q NNNNNNN e e me e C 5 5 2010 Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designe
9. alix 3d3 ALIX system board 18 5 5 2010 Specification CR2032 horizontal mount 20 4 mm lead spacing for example Renata CR2032FH1 ot Panasonic BR2032 1HE BU1 BU1 Buzzer build option Optional audio transducer The footprint fits a Hycom HY 05 or equivalent On alix 2c alix 3d the driver circuit is not populated please see page 7 of the schematics for details if you want to add this function J18 miniPCI Express The Geode LX CPU and thus alix 6b2 only supports USB mode not PCI Express mode This means that typical GSM UMTS and WIMAX cards should work Wifi cards will not See the schematics for detailed pinout Please note that LED3 is driven by the miniPCI express card by default GPIO27 controls the W_DIS radio inhibit signal instead Drive low 0 to inhibit high 1 to enable the miniPCI express radio Change configuration resistors R140 R142 R143 if different behavior is desired The board has two SIM sockets J17 is primary accessed if GPIO1 ACBEEP is low J20 on the bottom side is secondary accessed if GPIO1 is high Keep in mind that the radio card needs to be reset e g AT CFUN 1 1 to recognize the new SIM settings GPIO1 is not initialized properly by the current BIOS see www pcengines ch file alixlle zip gpiol 8 for sample code to control this pin ALIX system board 19 5 5 2010 Status LEDs Status LEDs are all turned on by the BIOS on power up The BIOS will turn off LEDs 2 and
10. and network security applications AMD Geode LX CPU 433 Mhz LX700 or 500 MHz LX800 5x86 CPU 256 KB cache 64K data 64K instruction 128K L2 1 to 3 Ethernet channels Via VT6105M 10 100 Mbit s 1 or 2 miniPCI sockets for 802 11 wireless cards and other expansion 1 miniPCI Express socket for GSM UMTS cards ALIX 6 128 or 256 MB DDR SDRAM 64 bit wide for high memory bandwidth 512 KB flash for PC Engines tinyBIOS CompactFlash optional 44 pin IDE header for user s operating system and application 7 to 18V absolute maximum DC supply through DC jack or passive power over Ethernet 1 serial port DB9 male RXD TXD only 2 USB 2 0 ports optional Header for LPC bus use for flash recovery or I O expansion OEM options The following options can be configured for larger orders DRAM size 128 MB 256 MB CPU speed LX700 LX800 LX900 Delete I O not required by customer CMOS level serial port RXD TXD only Optional header for I2C bus Optional buzzer for beeps Optional RTC battery ALIX 3 optional AC97 audio codec headphone mic ALIX 3 optional VGA video ALIX3 optional pushbutton switch ALIX system board 6 5 5 2010 ALIX 2 series Configuration 2 LAN 2 miniPCI or 3 LAN 1 miniPCI Power supply 7 to 20V DC about 3 to 4W at Linux idle peak about 6W without miniPCI cards and USB devices Suggest a 18V 15W supply Center pin positive sleeve ground 2 1 mm diameter Temperatur
11. baud rate to 38400 baud sets baud rate to 57600 baud sets baud rate to 115200 baud sets CF HDD to CHS mode sets CF HDD to LBA mode toggles HDD delay HDD takes more time to spin up toggles HDD slave HDD slave detection takes time normally disabled toggles UDMA enable use at your own risk ee Zz c 4gzt 07osomeo toggles MFGPT workaround may be required to support high speed timer See AMD C 55236 data book section 5 16 3 for the gory details The system may hang during boot if you get it wrong ALIX system board 10 5 5 2010 P toggles late PCI init use for FPGA based miniPCI cards that take a long time to come up Symptom no interrupt assigned R toggles serial console enable Push the switch S1 during startup to get into setup when the serial console is disabled E toggles PXE boot enable Defaults to disable as the PXE module has a 60 second time out X Xmodem upload start upload of an executable binary Intended for flash BIOS update ask for more information if necessary Q quit asks whether to write back the changes to flash Y or not N Then the system will restart BIOS upgrade The current BIOS can always be found at www pcengines ch alix2 htm To upgrade boot from a CF card to FreeDOS see www pcengines ch freedos htm then execute the flash upgrader sb com Please do NOT rename the BIOS files sb com will automatically pick the correct one for
12. d to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio energy If this equipment is not installed and used in accordance with the manufacturer s instructions it may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to correct the interference by one or more of the following measutes e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help This board is designed for installation in a shielded enclosure metal or plastic with conductive coating Shielded cables are required on LAN and serial ports to assure compliance with FCC regulations A copy of the test report will be provided on request CE Declaration of Conformity We PC Engines GmbH declare that ALIX 2 ALIX 3 and ALIX 6 series boards when installed in PC Engines metal enclosures caselc1 caselc2 box2c are in conformance with EN 61000 6 3 2005 emissions residential and industrial EN 61000
13. e initialize shadow RAM init mono video disable PCI devices test low 64KB of DRAM initialize stack BIOS checksum super I O initialization RTC test refresh 8254 test speed dependent chipset regs test 8237 DMA test DMA page registers test 8254 registers test keyboard controller init timer DMA 8259 test 8259 mask registers test low 640KB init vectors PCI plug amp play shadow video BIOS look for VGA BIOS sign on prompt second keyboard test extended memory test enable interrupts test init RTC init floppy disk option ROM scan test parallel ports test serial ports enable coprocessor floppy init hard disk init PS 2 mouse detect timer RTC check OEM boot decision point boot NMI low 64KB memory test failed ALIX system board 21 5 5 2010
14. e range 0 to 50 C Dimensions 6 x 6 152 4 x 152 4 mm RN34 mi RN33 RN30RN32 ul z MTT ii B UUAVUNUOVEVUOEOUOVONUONONUOVOUH ALIX 2C 2007 g H E PC Engines GmbH i 2 n 4 U14 25 26 ca4Bra 5 CF J10 1 RN20 RN22 RN24 RN26 RN28 esrb HHHH HH HHFH EHEH HEH HHHH HEH HHHH HH HHHH RN19 RN21 RN23 RN25 RN27 RN29 Pa IDE J9 STATE BT 1 es iii Y i inii i H H cig m HHH g m Ee gs i as 36 iin 28 R28 m m A ummy 7 103 ue in FB19 C14 R23 Y1 J1 LAN3 8 J2 LANZ BU1 bd o ma M ii eccce y 0000o PH FB9 T E js TIT Bi ecocoon Hl eocon OI o coal Gahhhhhhhiapiscescscsss e e za KAKAK o o Oe e ee ALIX system board 7 5 5 2010 7 to 20V DC about 2 5 to 3 5W at Linux idle peak about 5W without miniPCI cards and USB devices Suggest a 18V 15W supply Center pin positive sleeve ground 2 1 mm diameter 1 LAN 2 miniPCI 0 to 50 C 100 x 160 mm ALIX 3 series Configuration Power supply Temperature range Dimensions es E E ET EN un EM m m ml ee oe ee mn a FB1 DB D9 Dio Dii Di2 5T ys Wo m mh4d zm oim ens axon 255 TP e e a A mjm oN o moma d zE am im NN crc Y4 u12 RN21 a
15. kindly to the abuse dished out by high power radio cards Change the following component values ALIX 2C R83 2 2K ohm was 1 0K marking 01B C98 4 7 nF was no stuff ALIX 3C R73 2 2K ohm was 1 0K marking 01B C93 4 7 nF was no stuff 2 2K ohm resistors are marked 222 5 or 34B Parts can be supplied to customers on request Operating system compatibility Please keep in mind that ALIX 2 and ALIX 3 boards do not include a keyboard controller Some boot loaders may hang and need to be modified For best performance include support for AMD Geode LX CS5536 and use a current driver for the Via VT6105M LAN controller which supports TCP IP checksumming and byte aligned transmit buffers unlike earlier Via Rhine parts Reboot is best triggered by port 92h FreeBSD Current versions of FreeBSD may panic due to issues in the EHCI configuration Disable EHCI driver if problems appear FreeDOS MS DOS 5 0 Tested ok booting from CF card Linux Try www imedialinux com for a kernel preconfigured with Geode LX drivers Time drift Depending on the system you may need to install the package adj timex NetBSD Not yet tested OpenBSD OpenBSD 4 0 stable and later versions should support AMD Geode LX GPIO supported by glxpcib 4 driver Please upgrade to BIOS 0 99 or later to resolve problems with the serial console ALIX system board 12 5 5 2010 ALIX block diagram Schematics are available online
16. llel with the MAX3243 RS 232 driver remove this part if CMOS level serial port is desired as an alternative ALIX system board 13 5 5 2010 1 V3 3 3V supply 2 TXD transmit data output 3 RXD receive data input 4 GND ground J12 J4 J12 COM2 serial port build option As an option the board can be configured with a 4 or 5 pin header with 3 3V CMOS signal levels instead of the normal RS 232 serial port On alix 2c alix 3c boards this port is connected in parallel to COM1 need to remove MAX3243 serial driver to use Alix 2c alix 2d gt please add a 1K or 2 2K ohm pull up resistor to 3 3V on the TXD line 1 V3 3 3V supply 2 TXD transmit data output 3 RXD receive data input 4 GND ground 5 VCC 5V supply J3 J1 J3 Ethernet port 1 RJ45 connectors with integrated magnetics ate used This port implements a passive power over Ethernet scheme over the two unused pairs Do not exceed 20V as the TVS protection diode may start clamping above this voltage 1 TX transmit positive 2 TX transmit negative 3 RX receive positive 4 VIN power supply nominal 7 to 20V 5 VIN E 6 RX receive negative 7 GND power return 8 GND d ji J2 Jl Ethernet ports 2 3 RJ45 connectors with integrated magnetics are used These ports do NOT support power over Ethernet Same pinout as above but pins 4 5 and 7 8 are not connected J6 J9 J6 USB jack Dual USB 2 0 connections As a build option 4 pin headers can be installed i
17. nstead of the USB connector 1 VCC switched 5V supply 2 DATA2 negative data 3 DATA2 positive data 4 GND ground 5 VCC switched 5V supply 6 DATA1 negative data 7 DATA1 positive data 8 GND ground ALIX system board 14 5 5 2010 J19 USB header build option Install to get access to additional USB ports inside the enclosure 12 VCC 5V supply not switched fused 3 DATA4 negative data 4 DATA3 negative data 5 DATA4 positive data 6 DATA3 positive data 7 8 GND ground 9 Key key pin 10 GND ground J4 J2 J2 DC power jack This is a generic DC jack connector with a 2 1mm center pin Recommended input voltage is 18V center VIN Positive input voltage sleeve GND Ground J7 J8 J5 J14 J8 miniPCI socket These sockets implement the miniPCI interface Please see schematic for pinout J9 J9 IDE header build option IDE cannot be supported by alix 2 0 alix 2 1 boards 5V supply too weak IDE can be added to alix 2c2 alix 2c3 alix 6 2 boards by adding the header and a 470 ohm resistor in location R50 Please upgrade to the latest BIOS 1 HDRST IDE reset 2 GND ground 3 HDD7 IDE data 7 4 HDD8 IDE data 8 5 HDD6 IDE data 6 6 HDD9 IDE data 9 7 HDD5 IDE data 5 8 HDD10 IDE data 10 9 HDD4 IDE data 4 10 HDD11 IDE data 11 11 HDD3 IDE data 3 12 HDD12 IDE data 12 13 HDD2 IDE data 2 14 HDD13 IDE data 13 15 HDD1 IDE data 1 16 HDD14 IDE data 14 17 HDDO IDE data 0 18 HDD15 IDE data
18. nt RN25 RN22 RN24 puppe e pe pee M e e e HH e e He eed iisiaiajsisls as e X Fa z 3 z E z E3Z m z s x z E m L Es x z z s z m 835 U8 v9 U10 BNcos coomu fmic31 E Smaa C j Bits o us C17 qae Vmem FRET e 9 64 c27 ALIX 3C 2007 PC Engines GmbH i lai zm l III 1 MIELE EIL LLL C3 BU1 5 5 2010 ALIX system board ALIX 6 series Configuration 2 LAN 1 miniPCI 1 miniPCI express USB only no PCI Express support Power supply 7 to 20V DC about 3 to 4W at Linux idle peak about 6W without miniPCI cards and USB devices Suggest a 18V 15W supply Center pin positive sleeve ground 2 1 mm diameter Temperature range 0 to 50 C Dimensions 6x 6 152 4 x 152 4 mm RN34 wm e J12 413 H H H H H H e e co1NM e 0 0 moeoeo e nm 7 m LJ e 1 TN D4 D5 D6 ULLTLTTTETEHETTELEETTELETCTTLTTLR NM ALIX 6B 2008 PC Engines GmbH RS3 EE mujR54 OA 50 CF J10 1 RN20 RN22 RN24 RN26 RN28 RN19 RN21 RN23 RN25 RN27 RN puppis D Gea eg miniPCI1 39 imimimiLz Mimi i ait ais ms o oyun au 103 mama 103 zn aim FB19C14 R23 zm Yi ce s sas Z m BU J19 COMI 4 ua LLL A 1 HPPA 22202 45 COM1 ALIX system board 9
19. your board Do not turn off power while the flash upgrade is running otherwise the flash BIOS may be corrupted If this happens the board can be revived using an LPC adapter available from PC Engines PXE boot PXE boot can be activated either through the E option in setup always or by pressing N during memory test one time PC Engines cannot provide technical support for the PXE module too many possible failure points Intel Via PXE module DHCP server TFTP server boot image etc To avoid premature link failure on cold start please also enable HDD delay in BIOS setup Power over Ethernet ALIX implements a passive power over Ethernet scheme using the unused pairs of LAN1 for power Power can be injected using a passive POE splitter such as PC Engines POE 1A ALIX is NOT compatible with 48V IEEE 802 3af POE Please use an external splitter if required When power is fed in through POE it is possible to steal unregulated power through the DC jack Please note that this port is not fused The POE input diode is rated for a current of 2A Hardware compatibility The Commell MP 541D dual port Gigabit Ethernet card uses non standard PCI ID select assignment Ask for a modified BIOS if required use in the primary miniPCI socket only Alix 2c alix 3c High power radio cards require implementation of ECN 027 see below ALIX system board 11 5 5 2010 High power radio cards Earlier production boards don t react
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