Manuale d’uso / di manutenzione del prodotto SYM22801 del fabbricante LSI
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® Symbios ™ SYM22801 Dual Channel PCI to Ultr a SCSI Host Adapter S14017 User’ s Guide Ve r s i o n 2 . 0.
Federal Communications Commission (FCC) Declar ation of Conformity.
iii This doc ument co ntains propriet ar y inf ormation of LSI Logic Cor por ation. The inf ormation cont ained herei n is not to b e used b y or dis closed to thir d par ties withou t the e xpress written pe rm i ssion of an off icer of LSI Logic Cor por ation.
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Contents v Contents Chapter 1 Using the SYM228 01 Host Adapter 1.1 General Desc ripti on 1-1 1.2 F eatures 1-2 1.2.1 PCI Interface 1-2 1.2.2 SCSI Interf ace 1-2 1.2.3 Board Ch aracteristi cs 1-2 1.3 Interface Descr iptions 1-3 1.3.1 The PCI I nterf ace 1-3 1.
vi Conte nts Chapter 3 Configuring the Host Adapter 3.1 When to Con figure th e SYM22801 Ho st Adapter 3-1 3.2 Star t ing the SCSI B IOS Configuration Utility 3-2 3.2.1 Config uration Utility Main Menu 3-3 3.2. 2 U tilit ies Men u 3-6 3.2.3 Device Selec tions Menu 3-10 3.
Contents vii 2.7 Connec ting Additi onal Inter nal SCS I De vices 2-12 2.8 Multiple Inter nal SCSI De vices Chain ed T oge ther 2-13 2.9 Using Bo th Inter nal Conn ectors on a Channel 2-14 2.10 SCSI LED C onnector s 2-15 2.11 Exter nal Cable to Ho st Adapter 2-16 2.
viii Co ntents.
Pref ace ix Preface This book is the pr imar y ref ere nce and User’ s Guide f or the LSI Lo gic Symbios ™ SYM22801 Dua l Channel PCI to Ultra SCSI Host A dapter . I t contains a complete f unctional de scripti on f or the SY M22801 and include s comp lete physical and e lectr ical sp ecifica tions for the SYM2280 1.
x Pref ace • Appen dix B , Glossar y of T erms and Abbreviations , provides definiti ons of various ter minolog y that i s ref erenced throughout thi s user’ s guid e . Related Publications PCI SCSI Device Ma nagement Sys tem SDMS 4.0 User’ s Guide, Document N o .
Symbios SYM 22801 Dual Chann el PCI to Ultra SCSI Hos t Adapter 1-1 Chapter 1 Usin g the SYM2 2801 Host Adapter This chap ter describ es how the SYM 22801 Host Ad apter int erfaces to PCI compu ter system s and inclu des these top ics: • Section 1.1, “General Description, ” page 1- 1 • Section 1.
1-2 Using the SYM22801 Hos t Adapter 1.2 Features This secti on provides a high level ove rview of the PCI Interf ace, the SCSI Interfac e, and Board C hacteristic s for the SY M22801 Host Ad apter board. 1.2.1 PC I Interface • Full 32-b it DMA bus master • Zero wait-s tate bus mast er data burs ts • Universal PCI bus vol tage suppor t 1.
Interface Descriptio ns 1-3 1.3 Interfa ce Descriptions This sectio n provides a more detai led explanatio n about the PCI Interface, The SCSI Interfac e, and Ultra SCS I. 1.3.1 The PC I Interface PCI is a h igh-speed standard local bus f or inter facing a numb er of I/O componen ts to the process or and memory subsy stems in a high end PC.
1-4 Using the SYM22801 Hos t Adapter only the upper 8 data bits are au tomatically t erminated. Th e SYM22801 supplie s SCSI bu s TERMPWR (t ermination p ower) through a blocking diode and a self-reset ting 1.5 A sho rt circuit p rotection de vice. The onboard LED lights when TERMPWR is shorted.
Symbios SYM 22801 Dual Chann el PCI to Ultra SCSI Hos t Adapter 2-1 Chapter 2 Installin g the SYM228 01 Host Adapter This ch apter provid es instru ctions on how to inst all the SY M22801 Ho st Adapter and includes these topic s: • Section 2.1, “Quick I nstallation Procedure,” page 2-1 • Section 2.
2-2 Install ing the SYM2280 1 Host Adapter Caution: Ground yourse lf by touc hing a met al surface before handling boards. Stati c charges on your body c an damage electroni c component s. Handle plug-in bo ards by the e dge; do not touch board components or gold connector con tacts.
Detail ed Install ation Procedure 2-3 Step 10. Replace t he cabinet c over as desc ribed in the user ’s manual for your c omputer . Step 1 1 . Make all external SCS I bus connec tions. Remember : The SCSI bus requ ires prope r terminatio n, and no dupli cate SCSI ID s.
2-4 Install ing the SYM2280 1 Host Adapter The SCSI ho st adapter acts on your computer ’s behalf as the host to your s uite of SCS I periphera ls. Each c hain of SC SI peripher al devices and their host adapter wo rk together , and ar e referred to as a SCSI bus.
Detail ed Install ation Procedure 2-5 Figure 2.1 Hardware C o nnections f or the SYM2280 1 Host Adapter Step 6. Carefull y insert the ed ge connector J1 (see Figure 2.1) of the host adap ter into the P CI slot. Make sure the edg e connector is prop erly engaged b efore press ing the boar d into place as shown in Figu re 2.
2-6 Install ing the SYM2280 1 Host Adapter Figure 2.2 Inserting the Host Adapter Step 8. The b racket aroun d the connec tors J3 and J7 (see Figure 2.1) should fi t where you re moved the bla nk panel. Secure it with the brac ket screw (see Figure 2.2) befor e making th e internal and exter nal SCSI bus connectio ns.
Detail ed Install ation Procedure 2-7 All ext ernal SCSI b us connecti ons to the SY M22801 host a dapter are made with s hielded, 68-c onductor c ables (see Fig ure 2.3). The conne ctors on thi s cable ar e always k eyed to ensur e proper p in-1 conne ction.
2-8 Install ing the SYM2280 1 Host Adapter 3 met ers ( total int ernal and ex tern al c able l engt hs), even with few er than four dev ices. The SY M22801 autotermi nation sch eme is desi gned to opera te properly when plugg ing the end connect or of the SC SI cable s into the SYM22 801 SCSI c onnectors.
Detail ed Install ation Procedure 2-9 Figure 2.4 Internal Wide SCSI Ribbon Cable to Host Adapter Connection Step 2. T o conne ct an 8-bit i nternal SCSI de vice, plug the 50-pin conne ctor on one e nd of an 8- conductor internal SCS I ribbon cable i nto the con nector J4 o r J8 (see Fig ure 2.
2-10 Install ing the SYM2280 1 Host Adapter Figure 2.5 Internal SCSI Ribbon Cable to Host Adapter Connection Step 3. Pl ug th e 68 or 50-pi n c onn ect or on the other end of the inter na l SCSI ribb on cable into the SCSI connecto r on the interna l SCSI device .
Detail ed Install ation Procedure 2-1 1 Figure 2.6 Internal SCSI Ribbon Cable to Internal SCSI Device Connection Step 4 . Addition al inter nal SCSI dev ices are p lugged in by using an internal SCSI ribbo n cable with the r equired nu mber of conne ctors attac hed along its length as s hown in Fig ure 2.
2-12 Install ing the SYM2280 1 Host Adapter Figure 2.7 Connecting Additional Internal SCSI Devices.
Detail ed Install ation Procedure 2-13 Figure 2.8 Multiple Internal SCSI Devices Chained T ogether Step 5 . It is als o possi ble to use both internal c onnectors on a channel if you do not attach any external d evices to that c hannel. An example of this c onfiguration is shown in Figure 2.
2-14 Install ing the SYM2280 1 Host Adapter Figure 2.9 Using Both Internal Connectors on a Channel Note: When t wo connec tors are alread y used on a c hannel, the third c onnector ca nnot be us ed. Step 6. Most PC c abinets a re designed wi th a front pane l LED (sometime s already c onnected to a n existing IDE drive).
Detail ed Install ation Procedure 2-15 Figure 2.10 SCSI LED Connectors Some LED ca ble s have only two wire s. In this case, place th e connec tor on one end or th e other of J5 or J9. If the LE D does not light dur ing SCSI bus activ ity from this host adapter , yo u may have t o rotate t he LED cable 180 ° on J5 or J9.
2-16 Install ing the SYM2280 1 Host Adapter Figure 2.1 1 External Cable to Host Adapter Step 2 . Plug the 6 8-pin conn ector on the o ther end o f the shie lded externa l SCSI cable into the SCSI co nnector on yo ur external SCSI d evice. An exa mple of this con nection is shown in Figu re 2.
Detail ed Install ation Procedure 2-17 Figure 2.12 External Cable to External SCSI D evice Step 3. T o conne ct more than one external SCSI devic e to the host adapter , you m ust chain them to gether with s hielded ext ernal SCSI cab les. An exa mple of these c hained con nections is shown in Figu re 2.
2-18 Install ing the SYM2280 1 Host Adapter Figure 2.13 Multiple External SCSI Devices Chained T ogether 2.3 SCSI Bus T ermination The devic es making u p the SCSI bus are con nected se rially (ch ained togethe r) with SCSI cables.
SCSI Bus T ermination 2-19 The periph eral device ter minators are us ually set wi th jumpers, res istor modules , or with a swit ch on the perip heral.
2-20 Install ing the SYM2280 1 Host Adapter Figure 2.14 s hows an exam ple of how termina tion is determ ined for this SCSI bus configurati on. Figure 2.
SCSI Bus T ermination 2-21 Figure 2.15 External SCSI Device T ermina tion 2.3.3 Int ernal and External S CSI Connections If you hav e internal a nd external SC SI device c onnections to the host adapter , you mu st termi nat e th e l as t i nte rn al an d e xternal de vi ce s on the SCSI b us.
2-22 Install ing the SYM2280 1 Host Adapter Figure 2.16 Internal and External SCSI Device T ermination 2.3.4 Internal SCSI Connections for Both Internal Connectors If you hav e inter nal SCS I devi ce co nnecti ons to both int ernal connec tors of a chan nel , y ou mus t te rm in ate the int ernal devi ce s o n each en d o f the SCSI b us.
SCSI Bus T ermination 2-23 Figure 2.17 s hows an exam ple of how termina tion is determ ined for this SCSI bu s configur ation. If you co nnect the SY M22801 in the middle of the bus, y ou will incur improper ter mination si nce the switc hes are not assign ed on that bu s correc tly .
2-24 Install ing the SYM2280 1 Host Adapter Four swit ches for each channe l provide cable dete ction simu lation and forced u pper line te rmination. S witch one simulat es a devi ce on the internal .
SCSI Bus T ermination 2-25 Figure 2.18 T ermination Override Switch Settings for U1 and U2 2.3.5 Set ting SCSI IDs Y ou m ust set e ach SCSI dev ice and the ho st adapter to a separate S CSI ID, 0 throug h 15. SCSI ID 7 is the preset h ost adapter s etting, givi ng it the highes t priority o n the SCSI b us.
2-26 Install ing the SYM2280 1 Host Adapter The perip heral device SCSI IDs are us ually set with j umpers or wit h a switch on the peri pheral. R efer to the per ipheral ma nufacturer ’ s instruc tions and to t he user ’s manu al for your com put er t o d ete rm ine t he ID of each d evice and h ow to change it .
Setting In terrupts 2-27 2.4 Setting Interrupts Y ou s hould no t normally have to chang e the default i nterrupt routi ng for the SYM22 801, since p erformance i s usually inc reased by having two separat e interrupts. H owever , if your system does not support two separat e interrupts, j umper TP9 ( see Figure A.
2-28 Install ing the SYM2280 1 Host Adapter 2.5 Completing Y our Installation Before r eplacing th e cover on your compu ter , review this install ation procedu re check list. This wi ll save you effort late r . Step 1. Replace t he cabinet c over on your com puter .
Symbios SYM 22801 Dual Chann el PCI to Ultra SCSI Hos t Adapter 3-1 Chapter 3 Confi g urin g the Host Adapter This chap ter discu sses how to c hange config uration settings and include s these to pics: • Section 3.1, “When to Configure the SYM22801 Host Adapter ,” page 3-1 • Section 3.
3-2 Config uring the Host Adapter 3.2 Starting the SCSI BIOS Configuration Utility If you have SC SI BIOS ve rsion 4.xx , and it includes the Symbio s SCSI BIOS Con figurati on Utility , you can ch ange the de fault conf iguration of your S CSI hos t adap ters.
Start ing the SCSI B IOS Conf igura tion U tility 3-3 Important: Thi s SCSI BIOS Configurati on Utility i s a powerful tool . If, while usi ng it, you so mehow disabl e all of your controllers, pressing Ctrl-A (or C trl-E on versi on 4.04 or la ter) after memory ini tializatio n during reboot al lows you to re-en able and rec onfigure.
3-4 Config uring the Host Adapter Below the list of hos t adapters on the Main Men u display , you see eight options. The y are described in detail below . If these setti ngs are alter ed, the sys tem will reboot after the Qu it option is se lected, whic h allows the user to e xit from the Conf iguration Uti lity .
Start ing the SCSI B IOS Conf igura tion U tility 3-5 T o chang e an adapte r's boot order , selec t it and pres s Enter . Y ou are then prom pted to ente r the new boot seq uence num ber . T o remove an adapter's boot order , press En ter again r ather than ent ering a new sequenc e number .
3-6 Config uring the Host Adapter 3.2.1.6 Language If enabled, the L ang uag e option al lows you t o select f rom fi ve lan gua ges for the c onfiguratio n utility: Engl ish, German, Fr ench, Italia n, and Spanish . 3.2.1.7 Help The Help option allows the user to bring up a he lp screen wit h informat ion about t he Main Me nu.
Start ing the SCSI B IOS Conf igura tion U tility 3-7 3.2.2.1 Adapter S etup Menu When you s ele ct Ad apter Set up, the corr es po ndi ng m enu ap pea rs. He re is an ex ample of the A dapter Setup Menu: The setting s i n th is me nu are global s etti ngs th at affect the sel ected h ost adapter a nd all SCSI d evices attach ed to it.
3-8 Config uring the Host Adapter Note: When d isabli ng parity chec king, it is also neces sary to disable disconn ects for all d evices, as parity ch ecking for the reselec tion phase is no t disabled. If a devic e does not generate parity , an d it disconne cts, the I/O never c ompletes because the rese lection nev er complete s.
Start ing the SCSI B IOS Conf igura tion U tility 3-9 With Media Installed provid es removab le media sup port wherever the drive(s ) actually reside s.
3-10 Config uring the Hos t Adapter 3.2. 3 Device Sele ctions Menu When yo u select t he Device Se lections opti on, the corre sponding menu appears : The setting s in this men u affect individual S CSI device s attached to th e selecte d host adapte r .
Start ing the SCSI B IOS Conf igura tion U tility 3-1 1 . Please rev iew the desc riptions of eac h option below before ch an g in g an y valu es. Sync Rate (Mbytes/s) – This opti on defines th e maximum da ta transfer rate the host adapter will attem pt to ne g otiate.
3-12 Config uring the Hos t Adapter Disconnect – SCSI devi ces have the ability to dis connect fr om the initiato r during an I/O tr ansfer . This discon nect option frees the SCSI Bus to allow other I/O proc esses. This opti on tells the host adapter whethe r or not to a llow a devic e to disc onnect.
Exiting t he SCSI BIOS Configura tion Utility 3-13 Ve r i f y – This opt ion allows th e user to read all the sect ors on a d isk looking for errors.
3-14 Config uring the Hos t Adapter.
A-1 Appendix A T echnical Specif ications This sectio n discuss es the physic al environme nt associated w ith the SYM2280 1 Host Ada pter . It inclu des a mec hanical d rawing of this boar d, which is s hown in Figu re A.1. It also i ncludes thes e topics: • Section A.
A-2 T echnical Specifica tions Figure A.1 SY M22801 Me chanical Drawing A.2 Electrical Cha racteristics The SYM22 801 maximum power requi rements, in cluding SCS I TERMPWR, u nder normal operation are as follows: Under abn ormal conditi ons such as a s hort on SCSI TERMPWR, + 5 V current ma y be high er .
Operati onal Environm ent A-3 A.2.1 Ther mal, Atmospheric Cha racteristic s The board i s designed to operate in an environ ment defined b y the foll owin g param eter s: • T empera ture range: 0–5 5 ° C (d ry bu lb) • Relative humidity r ange: 0–90% (n oncondensing) • Maximum dew point tempe rature: 32 ° C A.
A-4 T echnical Specifica tions Note: The + 3.3 V pin s are tied toge ther and decoupled with high frequenc y bypass ca pacitors to ground. No c urrent from these 3.3 V pins is used on the board. The P CI portio n of the SYM53 C876 chip is powered fro m the 3 V/5 V p ins.
Operati onal Environm ent A-5 T able A.2 PCI Connector J1 (Back) 1 1. Shaded signals are not connec ted. Signal Name Pin Signal Name Pin Signal Nam e Pin TRST/ 1 AD28 22 P AR 43 +12 V 2 AD26 23 AD15 44 TMS 3 GND 24 +3.3 V 45 TDI 4 AD24 25 AD13 46 +5 V 5 IDSEL 26 AD1 1 47 INT A/ 6 +3.
A-6 T echnical Specifica tions A.3.2 The SCSI Interfa ce The SCSI in terface oper ates as 8-bi t or 16-bit, sy nchronous or asynch ronous, single-end ed bus, and s upports SCS I-2 prot ocols and 16-bit a rbitration. The i nterface is m ade throug h connectors J2, J3 and J4 for c hannel A.
Operati onal Environm ent A-7 T able A.3 SCSI Connec tors J2/J6 and J3/J7 Signal Name Pin Signal Name Pin Signal Name Pin GND 1 GN D 24 SD7/ 47 GND 2 GN D 25 SDP/ 4 8 GND 3 GN D 26 GND 49 GND 4 GN D 27 CPRSNT_A-B/ 1 1.
A-8 T echnical Specifica tions T able A.4 SCSI Connec tors J4/J8 Signal Na me Pin Signal Nam e Pin GND 1 SD0/ 2 GND 3 SD1/ 4 GND 5 SD2/ 6 GND 7 SD3/ 8 GND 9 SD4/ 10 GND 1 1 S D5/ 12 GND 13 SD6/ 14 GND 15 SD7/ 16 GND 17 SDP/ 18 GND 19 GND 20 GND 21 CPRSNT_ C/ 1 1.
Operati onal Environm ent A-9 A.3.3 The LED Interface The LED inte rface on the SYM22801 is a four-wir e arrangement that allows th e user to co nnect an L ED harness to t he board.
A-10 T echn ical S peci ficati ons.
Glossary of T erms and Abbrevi ations B-1 Appendix B Glossar y of T erm s and Abbreviations Address A specif ic location i n memory , de signated eit her numeri cally or by a symbol ic name. Asynchronous Dat a T ransf er A meth od of transmi ssion which d oes not requ ire a commo n clock, bu t separat es fields of data by stop a nd start bit s.
B-2 Glossary of T erms and Abb reviations Configuration Refers to the way a compute r is set up ; the combined hardware componen ts (compute r , m onitor , key board, and p eripheral dev ices) that make up a computer s ystem; or the s oftware setti ngs that allo w the hardwar e components to communic ate with each other .
Glossary of T erms and Abbrevi ations B-3 Firmware Software that is perm anently stor ed in ROM. The refore, it can be access ed during b oot time. Hard Disk A disk made of meta l and perman ently se aled into a dr ive cartri dge. A hard dis k can stor e very la rge amounts of informatio n.
B-4 Glossary of T erms and Abb reviations Motherboard Se e Mainboard . In some coun tries, the te rm Motherboar d is not appropr iate. Multi-tasking The ex ec utin g o f m or e th an one c omm and at the sa me tim e. Th is a llo ws progra ms to operate in paralle l.
Glossary of T erms and Abbrevi ations B-5 Queue T ags A way to k eep track o f multiple c ommands that allows for i ncreased throughp ut on the SCSI b us. RAM Random Access M emory . The co mputer ’s primar y working m emory in which progr am instructions and data are stored and are accessible to the CPU.
B-6 Glossary of T erms and Abb reviations SCSI ID A way to uniquely i dentify e ach SCSI device on th e SCSI bus . Each SCSI bus has eight av ailable SCS I IDs numbere d 0 through 7 (or 0 through 15 for Wide SCSI ). The host adapte r usually gets ID 7 giving it priority to contro l the bus.
IX-1 Index A active terminati on single-ended SCSI 1-3 , A-6 adapter configuration menu example 3-5 adapter setup menu CHS mapping 3-9 example 3-7 host SCSI ID 3-8 parity 3-7 removable media support 3.
IX-2 In dex duplication of SCSI IDs 2-26 E electrical characteristics A-2 electromagnetic compliance A-3 Esc main menu option 3-6 Ext68 channel switch (switch 4) 2-24 external SCSI bus connections mak.
Index IX-3 SYM22801 board A- 2 Q queue tags option 3-12 quick installation procedure 2-3 quit option main menu 3-6 R ribbon cable 2-6 S safety charac teristics A-3 SCAM support 3-7 scan for device at .
IX-4 In dex utilities menu adapter setup option 3-7 – 3-9 device selections option 3-10 – 3-13 example 3-6 exiting 3-6 V verbose setting 3-5 verify option 3-13 VHDCI connecto rs 68 pin 1-3 , 2-15 .
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Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il LSI SYM22801 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del LSI SYM22801 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso LSI SYM22801 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul LSI SYM22801 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il LSI SYM22801, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del LSI SYM22801.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il LSI SYM22801. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LSI SYM22801 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
