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® “ Accessin g the Analog W orld” ® An ISO9001:2000 Company www . rt d .c o m CMX158886 cpuM o dules™ User ’ s M anu al BDM-610000049 Revision G.
ii CMX158886 cpuModule BDM-610000049 Rev G CMX158886 cpuModules™ User’ s Manual R TD Do cument Number : BDM-610000049 Revision G Copyright © 2008 R TD Embe dded T echnologies , Inc .
® “ Accessin g the Analog W orld” ® www . rt d .c o m An IS O9001:2000 Company CMX158886 cpuMo dules™.
iv CMX158886 cpuModule BDM-610000049 Rev G.
BDM-610000049 Rev G :v T able of Contents Chapter 1 Introduction CMX158886 cpuMo dules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Enhanced Intel Spee dStep (PX only) .
vi CMX158886 cpuModule BDM-610000049 Rev G Soft Power Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Batte ry .
BDM-610000049 Rev G :v i i Mem ory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 I/O Address Map . . . . . . .
viii CMX158886 cpuModule BDM-610000049 Rev G User EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Feat ures and Settings T hat Can Affect Boot Time .
BDM-610000049 Rev G :i x PC/104 and PC/104- Pl us Spe cifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
x CMX158886 cpuModule BDM-610000049 Rev G.
BDM-610000049 Rev G Chapter 1: Introduct ion 1 Chapter 1 Intro duc tion This manual pr ovid es comprehe nsive hardware and software information for users developing with the CMX158886 PC/104- Plus cpuModule. This manual is organize d as f ollows : Note Read the s pecifications beginni ng on p age 12 prior to designing wit h the cpuModule.
2 CMX158886 cpuModule B DM-610000049 Rev G CMX158886 cpuMo dules R TD's CMX158886 cpuM odule represents the latest in hi gh-p erformance embe dded comp uting solutions. It includes 400 MHz source-synchronous Fr ont Side Bus (FSB), on-die 2 MB (PX) or 512kB (CX) L2 cache, and data pre-fetch logic.
BDM-610000049 Rev G Chapter 1: Introduct ion 3 Enh anced Intel S peedStep (P X only) Enhanced Intel® SpeedStep® T echno logy has revolutionized thermal and power management by giving application soft ware greater contr ol over the pro cessor ’ s oper ating frequenc y and input volt age.
4 CMX158886 cpuModule B DM-610000049 Rev G allows selecting any subgroup of eight bits. The st robe input latches data into the bit -programmable p ort and gen er ate s an in ter rup t . A ny o f t he inte rr up t m o d es ca n b e u se d to g ene ra te a wa ke e ve nt f ro m any standby/powerdown mode.
BDM-610000049 Rev G Chapter 1: Introduct ion 5 Orde ring Inform ation The CMX158886 cpuMod ule is available with a 1.4 GHz Pentium-M processor , or a 1.
6 CMX158886 cpuModule B DM-610000049 Rev G Cable Kits and Ac cessories For maximum f lexibility , R TD does not provide cables with the cpuModul e. Y ou may wis h to pur chase the CMX158886 cpuMo dule.
BDM-610000049 Rev G Chapter 1: Introduct ion 7 Board Feat ures • 1.4 GHz Intel P entium M with t hermal throt tling – 400 MHz, s ource-synchronous F ront Side Bus –M a t h c o p r o c e s s o r • Suppor ts MMX and SSE2 instructions – Internal Ca che • L1 - 32KB of instruction and 32KB data; L2 - 2 MB • 1.
8 CMX158886 cpuModule B DM-610000049 Rev G • Three (3) counter/timers (Intel 8254 compatible ) • Seven (7) DM A channels (Intel 8237 compatible) • Y2K compliant Real- Time Clo ck (external batt .
BDM-610000049 Rev G Chapter 1: Introduct ion 9 • One 8-bit port progra mmable as inp ut or out put • Eight bit -progra mmable I/O wi th Ad vanced Digital Int errupt Modes • Event Mode Interrupt .
10 CMX158886 cpuModule BDM-610000049 Rev G –U S B D e v i c e –N e t w o r k – Fail Safe Boot ROM • Surface-mount Flash c hip that hold s ROM-DOS™ • Quick Boot mode.
BDM-610000049 Rev G Chapter 1: Introduct ion 11 Blo ck Di ag r am The next figure shows a sim plifie d blo ck diagram of the CMX158886 cpuMo dule. Figure 2 CMX158886 cpuM odule S implif ied Blo ck Dia.
12 CMX158886 cpuModule BDM-610000049 Rev G Specif ic ations Ph ysical Characteristics • Dimensions: 117mm L x 97mm W x 15mm H (4.6"L x 3.8"W x 0.6"H) • W eight : Approximately 0.19 Kg (0.40 lbs.) Po w e r Co n s um p ti o n Exac t power consumption depends on the actual application.
BDM-610000049 Rev G Chapter 1: Introduct ion 13 T able 4 Electrical C haracterist ics Symb ol Pa ra me ter Te s t C o n d i t i o n Min. Max. PCI V OH Outpu t V o ltage High I OH = –0.5 mA 2.9 V 3.3 V V OL Output V oltage Low I OL = 6.0 mA 0.0 V 0.55 V V IH Input V o ltage High — 1.
14 CMX158886 cpuModule BDM-610000049 Rev G SVGA Por t V OH Outpu t V o ltage High HSYNC, VSYNC I OH = –32.0 mA 3.8 V 5.0 V V OL Output V oltage Low HSYNC, VSYNC I OL = 32.0 mA 0.0 V 0.55 V V OH Outpu t V o ltage High DDC_* I OH = –4.0 mA 2.4 V 3.3 V V OL Output V oltage Low DDC_* I OL = 8.
BDM-610000049 Rev G Chapter 1: Introduct ion 15 Cont a c t I nfo r mati on RT D Em b e d d e d T e c h n o l og ie s , I n c . 103 Innovation Blvd. State College, P A 16803-0906 USA Pho ne : +1-814-234-8087 Fax : +1-814-234-5218 E-mail :s a l e s @ r t d .
16 CMX158886 cpuModule BDM-610000049 Rev G.
BDM-610000049 Rev G Chapter 2: Getting Started 17 Chapter 2 Get ting Star ted For many users, the f actor y configuration of the CMX158886 cp uModul e can be used to get a PC/104 system operational. Y ou can get your system up and running qu ickly by following the simple steps describe d in this chapter , which are: 1.
18 CMX158886 cpuModule BDM-610000049 Rev G Connec tor Locations Figure 3 shows the connec tors and the A T A/IDE Disk Chip so cket of the CMX158886 cpuM odule .
BDM-610000049 Rev G Chapter 2: Getting Started 19 Powe r is normally supplied to t he cpuModule through the PCI bus connectors ( CN16 ). If you ar e placing the cpuModule onto a PC/104- Plus or P CI-104 sta ck that has a p ower supp ly , y ou do no t need to make additional connections to suppl y p ower .
20 CMX158886 cpuModule BDM-610000049 Rev G Connec ting th e Utility Cable The multi-function c onn ector ( CN5 ) implemen t s the following in terfaces: • PC/A T compat ible keyboar d • PS/2 mo use port • Speaker p ort (0.
BDM-610000049 Rev G Chapter 2: Getting Started 21 • PCI bus expansion card power • PCI bus signaling levels Slot Selection S witc hes Unlike PC/104 cards, PC/104- Plus and PCI-104 exp ansion cards have a “slot” selec tion switch or jumpers.
22 CMX158886 cpuModule BDM-610000049 Rev G Bo oting the CMX158886 cpuM o dule for the First T ime Y ou can now apply power to the cpuModule. Y ou will see: • A greeti ng message from the VGA BIOS (i.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 23 Chapter 3 Connec ting the cpuMo dul e This chapter pr ovides information on all CMX158886 cpuMo dule connec tors.
24 CMX158886 cpuModule BDM-610000049 Rev G Proper G rounding T e chniques Before removing the CMX158886 from its static bag , prop er grounding techniques must be us ed to prevent elec trostatic discharge (E SD ) dama ge to the cpuM od ule.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 25 T able 6 CMX1588 86 Basic Conn ec tors Connec tor Fun c ti o n Size CN3 Auxiliary Power 12-pin CN4 Bridge Link 4-pin CN5 Utility Port 10-pi.
26 CMX158886 cpuModule BDM-610000049 Rev G Auxiliary P ower (CN3) The Auxiliary Power connector ( CN 3 ) c an be use d to supp ly power to d evices that are attached to the cpuModule. These d evices include har d drive, front -end b oards for data acq uisit ion system s , and other devices.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 27 Facing the c onnector pins, the pinout of the Auxiliary P ower connector is: Note The +3.3 V pins (10 and 12) on the aux iliar y power connector ( CN3 ) are con n ected to t he +3.3 V pi n s o n t he P C / 1 0 4 - P l u s b us b y d e fa u l t .
28 CMX158886 cpuModule BDM-610000049 Rev G Utility Por t Connec tor (CN5) The utili ty po rt connec tor implements the following functions: • PC/A T compat ible keyboard port • PS/2 mo use port • Speaker p ort (0.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 29 Key b oa rd A PS/2 compatible keyboard can b e connected to the multi-function connector .
30 CMX158886 cpuModule BDM-610000049 Rev G Bat t er y Pin 9 of the mul ti-function connector is the connection for an external backup batter y . This batter y is use d by the cp uMo dule when sy stem pow er is remove d in order to pres er ve th e date and time i n the real tim e clo ck .
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 31 SVGA Vide o Connec tor (CN18) T able 11 pro vides the pinout of the video c onnector . Facing the connector pins of the SVGA Video connecto.
32 CMX158886 cpuModule BDM-610000049 Rev G The following table lists the supported video resolutions. Ta b l e 1 2 S V G A V i d e o R e s o l u t i o n s Resolution Colors Ref resh Ra tes 640 x 480 1.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 33 L VD S Flat Panel Video Conne c tor (CN19) T able 13 provides the pinout of the Flat Panel Video conne ctor ( CN19 ). FP_VCC is config ured for +3.3V b y def ault. Contac t RTD to have FP_VCC configure d for +5 V .
34 CMX158886 cpuModule BDM-610000049 Rev G EIDE Connec tor (CN10) The EIDE connector is a 44-pin, 2 mm conne ctor that can connect to a variety of EID E or IDE devices . The co n n e c to r pr ov i d es a l l s i g na ls a n d p ow er n e e de d to u s e a 2 .
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 35 A T A/ID E Disk Chip So cke t (U16) Th e AT A/ ID E D is k C h ip s o c k e t i s a 3 2 - pi n s o c k e t t h a t s u p p o r t s + 3. 3 V or +5 V m in ia tu re A TA/ I D E f la sh d i s k ch i p s .
36 CMX158886 cpuModule BDM-610000049 Rev G c. S ave the s ettin gs in the BIO S s etup 3. Remove power fr om the syst em. 4. Insert th e Disk Chip in the A T A/IDE Disk Chip S ocket ( U16 ) aligning pin 1 with the square sold er pad on the board. 5. Apply power to the s ystem .
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 37 Seria l P or t 1 (CN7) and Serial Port 2 (CN8) Serial Port 1 (COM1) is implemented on connector CN7 , and S erial Port 2 is implem ented on conne ctor CN8 .
38 CMX158886 cpuModule BDM-610000049 Rev G Facing the serial p or t’ s conn ector pins, the pino ut is: RS- 4 2 2 o r RS- 4 8 5 Se ri al P ort Y ou may use S etup to configure the serial p or ts as R S -422 or R S -48 5. In this cas e, yo u must connec t the serial por t to an RS -422 or RS -485 comp atible device.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 39 R S -422 and R S -485 Mo de Pinout T able 21 provides the serial port connec tor pinout when RS -4 22 or RS -485 m od es are enabled.
40 CMX158886 cpuModule BDM-610000049 Rev G Dual Serial Port Modes The serial port connectors can be conf igured as dual serial p ort s in the BIOS. The mapping between the connectors and C OM por t numbers is shown in T able 22.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 41 T able 25 COM A (RS -422/485) and C OM B (R S -232) Pin Signal Fun c t io n In/Out DB-9 1 DCD1 COM A - Data Carrier Detect in 1 2 RXD2 COM .
42 CMX158886 cpuModule BDM-610000049 Rev G multiP or t™ (CN6) R TD’ s exclusi v e multiP or t can be configured as an Advanced Digital I/ O (aDIO™) , a paral l el port, or a floppy dri ve. Refer to Chapter 4, Using the cpuModule , to configure the multiP ort .
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 43 multiP or t Conf igured a s a Parallel P o r t The parallel port is available on conne ctor CN6 .
44 CMX158886 cpuModule BDM-610000049 Rev G multiP or t Configured as a Floppy Drive Cont roller The mul tiPort ( CN6 ) c a n b e c o n f i g u r e d to b e a f lo p py d r i ve co n tr o l l e r . T h i s c a n b e c o n f i g u r e d i n th e B IO S S etu p under Integrated P eripherals.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 45 USB 2.0 Connec tor (CN17) T wo USB 2.0 complian t connectors ar e availa ble on connector CN17 . T able 30 provides the pinout of the USB connector. Note For proper operati on at USB 2.0 speeds, be sur e to use a cable that i s rated for USB 2.
46 CMX158886 cpuModule BDM-610000049 Rev G Facing the c onnector pins, the pinout of CN1 7 is : 97 5 3 1 G N D G N D D ATA 1 + D ATA 1 – V C C 1 G N D G N D D ATA 2 + D ATA 2 – V C C 2 1 0 8642.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 47 Ethernet (10/100Ba s e- T and - TX) Connec tor (CN20) The functionality of the Ethernet port is bas ed on the Intel 82562 Fast Ethernet PCI cont roller . T able 31 provides the pinout of th e Etherne t connector .
48 CMX158886 cpuModule BDM-610000049 Rev G Aud i o (CN 1 1) A full featur e d AC97 compliant audio por t is available on CN11. It provides a mono microphone input, stereo line level input, and a ster eo output that can be configured as line l evel or headphone level.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 49 PC/1 04- Plus PCI Bus (CN16) Connector CN16 carries th e signals o f the PC/1 04- Plus PCI bus. These signals matc h definitions of the PCI L ocal Bus specif ication Revision 2.1. T able 33 list the p inouts of the PC/104- Plus bus connec tor .
50 CMX158886 cpuModule BDM-610000049 Rev G PC/104- Pl us PCI Bus Signals The following are brief descriptions of the PC/104- Plus PCI bus signals. Addres s and Data AD[31:00] — Address and Da t a are multiplex ed. A bus tran saction consists of an address cycle followed by one or more data cycles.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 51 Powe r Supplies and VIO +5 V — +5 V supply conne cted to the PC/104 bus and Auxiliary Power Connector ( CN3 ) +5 V supplies. This is the on ly p ower sup ply that is require d for bo ard op eratio n.
52 CMX158886 cpuModule BDM-610000049 Rev G Bridg e Link (CN4) The Bridge Link connector allows devices that r equires Legacy/ISA interrupts to int er face with the cpuModule.
BDM-610000049 Rev G Chapter 3: Connectin g the c puModule 53 Exter nal Po wer Ma nagement (CN12) An exte rnal power manageme nt connector ( CN12 ) is availabl e for external de vices to wake the sy stem from low power states. Some low p ower modes requir e that +5 V s tandby power is applied to the cpuModule during the wake event.
54 CMX158886 cpuModule BDM-610000049 Rev G Fan P ower , Switche d (CN15) The swit che d fan p ower connector ( CN15 ) is an opt ional fan connect or whic h allows the sys tem t o p ower t he fan only when the processor temperatur e reaches high temperatur es .
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 55 Chapter 4 Using the cpuM o dule This chapte r provides information for users who wish to develop their own applications programs for the CMX158886 cpuMo dule.
56 CMX158886 cpuModule BDM-610000049 Rev G The RTD E nh a n ce d A MI BI O S The R TD Enhanced A MI BIOS is soft ware tha t inte rfaces hardware-specific features of t he cpuMo dule to an operating syst em (OS). Physicall y , the BIOS soft ware is s tored in a Flash EP ROM on the cpuModule.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 57 Main Menu S et up Fi elds The following is a list of Main Menu Setup fields. P ower On S elf T est (POST) Codes Each P OST Code represen ts a series of events that take place in a syst em during the POST .
58 CMX158886 cpuModule BDM-610000049 Rev G Booti ng to Boot Bl ock Fl ash wit h F ail Safe Boot RO M The Fail Safe Boot ROM is a minimal build of ROM-DOS™ lo cated inside a surf ace-mounted Boot Bl ock Flash chip.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 59 Memo r y Map T ab le 41 shows how memor y in th e fi rst meg aby te is allo c ated in the sy stem. Memory beyond the first megabyte can be acc essed in real mode by using EMS or a similar me mor y manager .
60 CMX158886 cpuModule BDM-610000049 Rev G I/O Address M ap As with all standard PC/104 b oards, the I/O total I/O spac e is 64k in size. Howev er , becaus e early process ors only addressed 0 address lines (SA0–SA9), t he first 1k is used for legacy I/O d evices.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 61 Hardware Inter rup ts The CMX158886 cpuModule suppor ts the standard PC int err upts listed in T able 43. Interrupts not in use by hardwar e on the cpuMo dule itself are listed as available. Similarly , if the op erating syst em is using APIC, more IRQs will be available.
62 CMX158886 cpuModule BDM-610000049 Rev G multiP or t : Advanced Dig ita l I/O Port s (aDIO™) Ensur e that the BIOS set up has the multiP ort s et to aDIO mode. This board supports 16 bits of T TL/CMOS compatible digital I/O (TTL signaling). These I/O lines are grouped into two port s, Port 0 and Port 1.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 63 Clea r Re gis ter : A read to this register Clears the IRQs and a write to this register set s the DI O-Compare, DIO- M ask , DIO-Control, Port 1, and Port 0 to zeros. A write to this register is used to clear the b oard.
64 CMX158886 cpuModule BDM-610000049 Rev G Por t 1 D at a re g ister is a re ad /w ri te by te di rec ti o n Interrupt s In order to use an inte rrupt with aDIO, the int errupt must first be s elected in the BIOS setup utili ty under Advanced, I/O D evices , aDIO Confi guratio n, aDIO Inter rup t .
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 65 Figu re 6 aD IO M atch M od e Strobe Mo de Anothe r int errupt mode supported by aDIO is Str ob e mode. This allows the s trobe pin of the DIO connector to trigger an inte rrupt. A low to high transition on th e str obe pin will caus e an interrupt reques t.
66 CMX158886 cpuModule BDM-610000049 Rev G multiP or t : Parallel P or t Control The parallel por t may be op erated in SPP (output -only), EPP (bidirectional), and ECP (extended cap abilities) modes. The mode may be selected in t he BIOS , or by application software.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 67 IDE Controller Conf ig uration The CPU’ s onboard EIDE connect or ( CN10 ) suppor ts several different dri ve speed mo des, which are BIOS configurable. Supp orted drive mo des will dep end on whether a 40-conductor or 80-conductor cable is connecting the EIDE device.
68 CMX158886 cpuModule BDM-610000049 Rev G Legacy Mode and Nat ive Mode IDE The onb oard EI DE co ntroller may b e conf igured as a eith er a Leg ac y or N ative Mo de IDE co ntroller in the BI OS Setup. However , the operating system must support the selected mo de for the device to operate corr ectly .
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 69 Real Time Clock Contr ol Over view The cpuModule is equipped with a Real Ti me Clock (R T C) which provides system date and t ime functions. When th e cpu Mo dule is turne d of f, a batter y m ust b e att ache d to the utilit y conn ec tor to p rovide p ow er to the R T C .
70 CMX158886 cpuModule BDM-610000049 Rev G 0Bh 11 RT C Status Regist er B • Bit 7: Inhibit Update - When high , the R TC i s preven ted from updating. • Bit 6: Periodic Interrupt Enable - When high, the R T C IRQ will be ass erted by the periodic interrupt.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 71 W atchdog Timer Cont rol The cpuModule includes a watchdog timer , which provides protection agains t programs “hanging ” , or getting st uck in an execution loop where t hey cannot respond correctly .
72 CMX158886 cpuModule BDM-610000049 Rev G Thermal Mana gement The cpuModule has se veral thermal fe atur es which c an be use d to monitor and cont rol the board’ s te mperatur e when extr eme op erating condit ions are prevalent.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 73 Pow er M a n a g em e n t The CMX158886 cpuModule supp ort s various pow ering mechanisms which allow the cpuModule to monitor power consumption and temperat ure, and achieve minimal power consumption stat es.
74 CMX158886 cpuModule BDM-610000049 Rev G • Resu me on aDI O: This o ption allow s th e system to u se an aD IO Strobe , M atch, or Event interrupt to generat e a wake even t. This even t can wake the CPU fr om any p ower -down mode , including Soft-Off (S5).
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 75 Reducin g Power Consumptio n In addition to t he CPU’ s l ow power modes , po wer consumption can further be reduced by making some modif ications to the BIOS setup.
76 CMX158886 cpuModule BDM-610000049 Rev G Multi -Color LED The CMX158886 has a Multi-Color LED l oc ated beside the EID E connector ( CN10 ) which ca n be ena bled or disabled in the BIOS setup screen. The color of the LED indicates th e status of the board, as shown in T able 54.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 77 Rese t S tatu s Reg ister The cpuModule has several different signals on board which can cause a system r eset. If a reset occurs, the reset status register can be used to see which reset or resets have been asserted on the cpuModule.
78 CMX158886 cpuModule BDM-610000049 Rev G T able 59 Rese t Statu s Des crip tion and Pr ioritie s I/O Address 457h Rese t Signal Rese t Priori ty 1 1.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 79 DV M T M o d e S ele c t The CMX158886 suppor ts Dy namic Video Memor y T echnolo gy (DVM T). DVM T allows the CPU to alloc ate memory to system pr o cessing or graphics processing on the fly ba sed on changing processing requir ements.
80 CMX158886 cpuModule BDM-610000049 Rev G User EEPROM A 512kB s erial EEPRO M (Atmel A T93C66) is available on the cpuModule for the user to save nonvolat ile parameters on t he c puModule . The EEP ROM can be acce ssed by reading and writting to I/O addr ess 456h, as shown in the following table.
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 81 F eatures and Set tings That Can A ffec t B o ot Time Th e b oo t ti m e of a s ys te m is d ep end e nt u p o n nu m e ro us s y st em s e tt in g s a s w el l a s d e v ic e s at t a ch e d to a s y st em .
82 CMX158886 cpuModule BDM-610000049 Rev G Syste m Re cov er y Loading D ef ault BIO S Set ting s The default BIOS can be rest ored ei ther by using the “Loa d Defaults ” option in the BIOS, or by installing jumper JP5 ( s e e F i g u r e 7 o n p a g e 8 7 ) .
BDM-610000049 Rev G Chapter 4: Using t he cpuModule 83 Basic Int errupt Information for Programmers An interrupt is a subroutine call ed a synchronously by external hardware (usually an I/O device) during the execution of another application .
84 CMX158886 cpuModule BDM-610000049 Rev G Intel 8259 Pr o grammable Inter rup t Controller The chip r esponsible for handling interrupt req uests in the PC is the Int el 8259 Programmable Interrupt Contro ll er .
BDM-610000049 Rev G Appendix A: Har dwar e Refer ence 85 App end ix A Hardw are Re ference This appendix provides information on CMX158886 c puMo dule hardware, including: Jumper Settings and Lo catio.
86 CMX158886 cpuModule BDM-610000049 Rev G Jumper S et ting s and Lo c ations Many cpuModule options are configured by positioning jumpers . Jumpers are labeled on the board as JP followed by a number .
BDM-610000049 Rev G Appendix A: Har dwar e Refer ence 87 Figure 7 CMX158886 Jump er Lo cations (top sid e) T able 62 CMX158886 Jump ers Jumper Pi ns Fu nc t io n De fault JP1 2 Enable/disable 120 Ω s.
88 CMX158886 cpuModule BDM-610000049 Rev G Onboard PCI Devices The CMX158886 cpuModule ha s several onboard PCI device s , all of which are listed in the table b elow.
BDM-610000049 Rev G Appendix A: Har dwar e Refer ence 89 P hysical Dimensions Figure 8 shows the mechanical dim ensions of the CMX158886 cpuM odul e. Figure 8 CMX158886 Physical Dimensions (±0.005 inches) Heatsink height: The mini f an heatsink on the CMX158 886 extends 0.
90 CMX158886 cpuModule BDM-610000049 Rev G.
BDM-610000049 Rev G Appendix B: T roubleshootin g 91 App e ndix B T roubl esh o o t ing Many problems you may encount er with operation of your CMX158886 cpuModule are due to common errors. This appendix includes the following sections to help you get your syst em op erating properl y .
92 CMX158886 cpuModule BDM-610000049 Rev G Common Problems and So lutions T able 64 lists so me of the common problems you may encount er while using your CMX158886 cpuM odule, and suggests possible s olutions. If you are ha ving problems with your cpuMo dule, review this table before con tacting R T D T echnical Supp ort.
BDM-610000049 Rev G Appendix B: T roubleshootin g 93 Tr o u b l e s h o o t i n g a P C / 1 0 4 - Pl us Sys tem If you have r evi ewed the preceding table and still cannot isolate the pr o blem with your CMX158886 cpuMo dule, pleas e try the following t roublesho oting st eps.
94 CMX158886 cpuModule BDM-610000049 Rev G How to Ob tain T echnic al Supp or t If after following the above steps , you still cannot re s olve a problem with your CMX158886 cpuMo dule, pl eas e gathe.
BDM-610000049 Rev G Appendix C: IDAN™ Dimens ions and Pinout 95 Appendix C I D AN™ Dimensions and P inout cpuModules , like all other R TD PC/PCI-104 m odules , can b e pack aged in Intelligent Data Acquisition Node (IDAN) frames, which are milled alum inum frames with integr ated heat sinks and heat p ipes for fanless operation.
96 CMX158886 cpuModule BDM-610000049 Rev G ID AN Dimensions and Connec tor s Figure 9 IDAN-CMX158886 Connector s 1 1. Heatsink fins (not shown in Figure 9) ext end 0.
BDM-610000049 Rev G Appendix C: IDAN™ Dimens ions and Pinout 97 Exter nal I/O Connec tions T able 65 PS/2 Mouse — 6-Pin mini-DIN C onnector (female) ID AN Pin # Signal Func t i on 1M D A T M o u s.
98 CMX158886 cpuModule BDM-610000049 Rev G T able 67 COM1/C OM2 (R S -232 ) — 9-Pin D Connec tor (male) ID AN Pi n # Signal Fun c ti o n Mode 1 DCD Data Carrier Detect Input 2R X D R e c e i v e D a.
BDM-610000049 Rev G Appendix C: IDAN™ Dimens ions and Pinout 99 T able 69 multiPor t — 25-Pin D Conne ctor (fema le) ID AN Pi n # aDIO Port Parallel Port Fl oppy Port CPU Pi n # 1s t r o b e 0 S T.
100 CMX158886 cpuModule BDM-610000049 Rev G T able 70 Panel — 20-Pin mini D Connec tor (f emale) ID AN Pin # Sig nal Nam e CPU Pin # 1L V D S _ Y A P 0 1 2 L VDS _DDC PCLK 3 3L V D S _ Y A P 1 5 4 L.
BDM-610000049 Rev G Appendix C: I DAN™ Dimens ions and Pinout 101 T able 71 SVGA — 15-Pin High D ensit y D Connec tor (f emale) ID AN Pin # Signal Func t i on CP U Pin # 1 Red Red Analog Output 4 .
102 CMX158886 cpuModule BDM-610000049 Rev G T able 72 USB — 9-Pin D Connec tor (mal e) ID AN Pin # Signal Fun c t io n Mode 1 VCC1 + 5 V to USB 1 outp ut 2 Data USB1– USB1 Data– input/output 3 D.
BDM-610000049 Rev G Appendix C: I DAN™ Dimens ions and Pinout 103 T able 74 Audio — 9-Pin D Conne c tor (female) ID AN Pin # Si gnal CPU Pin # 5M I C _ V R E F1 4G N D3 3L I N E _ I N _ G N D5 2G .
104 CMX158886 cpuModule BDM-610000049 Rev G ID AN Dimensions and Connec tors (BRG version onl y) This section d escrib es s ome of the primar y p hysical differences betwe en the standard dual height IDAN cpuM odul e and th e IDAN c puMo dul e that com es with a PCI to IS A br idge m odu le (“BRG ” versi on).
BDM-610000049 Rev G Appendix C: I DAN™ Dimens ions and Pinout 105 Exter nal I/O Connec tions (BRG version only) An additional connector is added to the ID AN P CI to IS A bridge configuration to allow ad ditional digital I/O signals t o be accessible f rom outside the IDAN frame.
106 CMX158886 cpuModule BDM-610000049 Rev G 34 GND 36 35 P2- Strobe 18 36 GND 37 37 +5 Volts Fused @ 2A 19 38 GND N/C 39 GND N/C 40 GND N/C BRG Pin # Func ti o n IDA N Pin #.
BDM-610000049 Rev G Appendix D: Additional Information 107 Appendix D Addi tional Infor mation Appl ication Note s R TD offers many application notes that pr ovid e assistance with the unique fea ture set of the CMX158886 cpuModule . For the latest application notes, refer t o the RTD website.
108 CMX158886 cpuModule BDM-610000049 Rev G.
BDM-610000049 Rev G Appendix E: Limited W arra nty 109 App endix E L imi ted W a r ran t y R TD Embedde d T echnologies , Inc. warrants the hardwar e and so ftware products it manufactures and pr o duces to be free from defec ts in materials and workmans hip for one year following the date of shipment from R TD Embe dd ed T e chnol og ies , Inc.
110 CMX158886 cpuModule BDM-610000049 Rev G.
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