Tekram Technology DC-820B User's Manual
Contents
1. 02 e eee ee 330H Default DMA Channel Def inition s srrrver DMA 5 Default DC BZOB Adapter Firmware Options Cache Lime Size eee ee ee ee ee eee 16K Bytes Default Cache DRAM test 2 eee ee ee ee ee ee Suppressed Default Host Adapter SCSI ID SCSI ID 7 Default DOS 5 Support enable disable Disabled Default Power ON delay for SCSI devices 30 Seconds Default Controller Terminator Enable Default DC B20B SCSI Devices option select Press lt Enter gt to select SCSI device option 16 EISA Fast SCSI Caching Adapter 1 6 1 DC 820B Adapter Hardware Options This field allows you to select the Interrupt level Adapter BIOS address I O port address and DMA channel Since most options in this category are Adaptec compatible some enhanced options will be pointed out specifically Change Function DC B20B Adapter Hardware Options Interrupt level selection Select an interrupt for DC 820B Cx IRQ 11 Default JIRQ 10 JIRQ 12 JIRQ 9 JIRQ 14 JIRQ 15 JIRQ Disabled AaAAAAA Host Adapter BIOS ADDRESS Select the DC 820B BIOS address base C gt DCOOOH Default IDisabled 2D8000H 2D4000H 2D000G0H JCCOOOH JCB000H IvO port definition Select the DC 820B base port address Cx 330H Default c 2334H 3230H 2234H 2130H 2134H ISlot specific I O XCOOH PARRA DMA Channel Def i2. EISA Fast SCSI Caching Adapter 11 EISA Fast SCSI Caching Adapter Chapter 1 HARDWARE SETUP Before plugging the DC 820B into your system make sure all jumpers on the card are correctly set according to instructions outlined in section 1 1 Also take care that the SCSI ID number 0 6 of each SCSI device is set properly for the host adapter ID 7 if necessary check the user manuals for the respective devices Correct cable connections and termination are also nec essary for the adapters to function flawlessly Refer to the following section Board Layout and Jumper Setting for the exact location and setting of jumpers 1 1 Board Layout and Jumper Setting The following figure illustrates the jumper and connector locations for the DC 820B CN3 T R aes Halil TE TO FLOPPY DISK DRIVE Floppy Enable 1 cro CPU t SCSI DC 820B Connector SCSI Device Activity LED Indicator JP1 JP1 is used to indicate the activity of SCSI devices controlled by the DC 820B and should be connected to the cable leading to HDD LED on the front panel of your system case This LED also flashes some diagnostics codes right after power up Refer to Appendix C for more details 12 EISA Fast SCSI Caching Adapter Warning Do not power down the system while this LED is still active Doing so may result in loss of data as the contents of the cache buffer have not been completely written to the dis
3. EISA Fast SCSI Caching Adapter SCSI ID 7 These scanning rules apply to an environment with multiple adapters or devices DMA Channel Definition DMA 5 default This option is a pseudo function for Adaptec compatibility Since some software packages do require a DMA channel there are four channels available DMA 5 6 7 0 If you need to choose the DMA channel be sure that there is no conflict with other adapters 1 6 2 DC 820B Adapter Firmware Options This field allows you to select the Cache line size Cache DRAM test Host Adapter SCSI ID DOS 5 Support and Power ON delay for SCSI devices Change Function DC 820B Adapter Firmware Options Cache line size Select the DC 820B cache line size 26K Bytes 304K Bytes Cx gt 16K Bytes Default Cache DRAM test Select the DC 620B cache DRAM test method C gt Suppressed Default gt Simplif ied c gt Full test Host Adapter SCSI ID Select SCSI ID for DPC 8Z0B Default v i H fal J ORNUAUON DOS 5 support enable disable Select DOS 5 option for DC 820B C Disablea Default Enabled Power ON delay for SCSI devices Select power on delay for SCSI devices C330 seconds Default gt 40 seconds c 250 seconds c 260 seconds C 280 seconds c 2100 seconds 3120 seconds Controller Terminator To enable or disable the terminator of the controller C JEnable Defaul
4. IDE ESDI Ue ee ae e ae 52 EISA Fast SCSI Caching Adapter n Other SCSI device s 1 2 3 4 3 System Software Configuration please list the version n Operating System n Application Program 4 Detailed description of error messages and symptoms 5 Provide information of CONFIG SYS AUTOEXEC BAT and ECU op tions 53 EISA Fast SCSI Caching Adapter Appendix C General Troubleshooting Tips Most controller errors are traceable to external factors such as conflicts with other installed cards bad or incorrectly configured drives loose cables or other installation errors A device list concerning the limitations such as cannot work with 10MB sec SCSI synchronous transfer rate or prob lems caused by the devices themselves can be found in the DEVICE LST file Please also note the DOS 5 support feature in your DC 820B Your system is able to control up to eight drives through BIOS INT 13H without adding device drivers If more than two SCSI drives and not running under DOS 5 0 more than one adapter or other SCSI devices need to be installed such as removable media tape or CD ROM you should install the device drivers When trouble occurs in your system you can always try to verify the possible causes by changing various components in your system such as I O card DRAM SIMM CPU or motherboard Also I O port conflicts happen frequently when multiple I O cards are installed The following are general guide
5. ENTER to accept the default directory If your system has CD ROM device s and want to install the driver another screen will pop up and require you to assign the pathname for MSCDEX EXE Please Keyin the PathName where MSCDEX EXE Resides C NDCSCSI ENTER Accept the Pathnane ESC Abort Install MSCDEX EXE EISA Fast SCSI Caching Adapter And then you go on to assign the first drive letter for the CD ROM drive s used by the MSCDEX EXE In this case Drive F is reserved to the first CD ROM drive Please Please keyin the first drive letter reserved for C NASPI CD ROM drive s used by MSCDEX Specify Drive F MSCDEX D Z Specify the drive letter ENTER ENTER Accept the drive letter and ESC Install MSCDEX ESC Abort install MSCDEX 4 After confirmation this installation program will modify both the CONFIG SYS and AUTOEXEC BAT files The installation program will modify system CONFIG SYS by adding the following lines DEV ICE C NDCSCS INASP IBME SYS DEV ICE C NDCSCS IND ISKDRU SYS DEVICE C DCSCSINASPICD EXE D CDROMO Installation also modifies AUTOEXEC BAT by adding the following lines C DCSCSINMSCDEX D CDROMO L F M 12 Press ENTER to make change to CONFIG SYS and AUTOEXEC BAT and Exit Installation Program Press ESC to Abort Change and Exit Installation Program 5 After all these are done re boot the system and the driver s will then be auto loaded 10
6. Removal To remove the driver follow these procedures 1 At the prompt type removepkg 2 Type the corresponding number of EISASC Lock Unlock Driver Package 3 Press lt Enter gt to remove the driver 4 Press lt Enter gt to reboot Removable Media Support This driver supports removable media like Magneto Optical drives Upon successful installation two utility files rmount and rumount will be found under etc to replace original mount and umount commands These two files lock unlock the medium before after the file system is mounted un mounted preventing accidental replacement of medium 48 EISA Fast SCSI Caching Adapter 49 EISA Fast SCSI Caching Adapter Appendix A Technical Specifications Performance n Cache DRAM sizes Not Installed 1MB 4MB 16MB n Hardware Disk mirroring support n High speed 32 bit bus master burst data transfer up to 33 MB sec n Fully support SCSI I and Fast SCSI II protocols n AHA 1540 1542 series compatible n Compatible with major operating systems n Software porgrammable Active Terminators for easiest adjustment w o opening the cabinet n Coexists with other SCSI ESDI or IDE adapters n Support up to eight drives for DOS 5 0 without adding drivers n Support maximum DOS disk capacity of 4 5GB n Cacheable devices Fixed disk removable cartridge re writable optical disk MO and Floptical devices Technical n Microprocessor 80C186 16 n EISA bus master prot
7. Setup s s 0 n 1 6 Runningthe ECU rmananvnnnnnvnnnnnnvennnnnnnnnnnnvnnnnnnnennnnnnnnnnnnnnnnnnnnennnnnnennnn 6 1 6 1 DC 820B Adapter Hardware Options reversvesseverversverseven maneeeerserrrsneeeeeersrrssseeeeeeersssnnseeee 17 1 6 2 DC 820B Adapter Firmware Options ueeseerseeesversverseves ssveeeeersersveeeeersessveeeeerserseeeeeerseen 19 1 6 3 DC 820B SCSI Device Options s ssccsscssssssssssssee sereerseeeererseeeermsseeversssseererssseerernseeeteen 23 1 7 TOOLBME EXE Utility amp Disk Mirroring Initialization 1x ennnnnnnnn0nnn0 Chapter 2 ASPI DRIVER FOR DOS nrnnnvrnnnvnnnnvrnnnvrnnvrnnnnnennn 2 2 1 Installing the ASPI Driver rnannvrnnnnnnvnnnnnvnnnnnnnvnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnner 3 2 2 Installing the DISKDRV SYS Driver rnnrnnnvnnnnnvnnnvvnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnn 3 23 Disk Partition Utility eine cetnccsincensacsessicacctrsadeciuneesentessieseacestcecdvnneseaneesties amp 24CHKDRIVE EXE Utility eennnennnvvnnnnvnnnvvnnnvnnnnnnnnnnennnvnnnnnnnnnnnnnnnnnnnnnnnnnnn 7 2 5 Installing the CD ROM Driver ennnnnnnnvnnnnvnnnnvnnnnnnnnnvnnnnnnnnnnnnnnnnnnnennnnnnr B 2 6 Installing Tape Streamer DAT rrnnnvvnnnnnvvnnnnnvennnnnnvnnnnnvnnnnnnnvnnnnnnvnnnnner B Chapter 3 NetWare Drivers sssssssssssesssesssssesseeeseeeees 4 3 1 ASPI Drivers for NetWare rrnnnvrnnnnnnvnnnnnvnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnner 4 3 2 Duplexing Utilit
8. The procedure is the same as ISC UNIX V3 2 refer to Sec 4 2 Removable media support This driver supports removable media like the Magneto Optical drive Upon successful installation two utility files rmount and rumount will be found under etc to replace original mount and umount commands These two files lock unlock the medium before after the file system is mounted un mounted preventing accidental replacement of the medium 4 2 ISC UNIX V 3 2 The ISC UNIX driver is on the SCO ISC UNIX drivers diskette As stated in the SCO section refer to the latest information in the README TXT file of DOS NetWare driver diskette Driver Installation To install the driver insert a working copy of the UNIX driver diskette in drive A 1 At the prompt type sysadm lt Enter gt 2 Enter SYSTEM ADMINISTRATION and choose the softwaremgmt option by typing 5 lt Enter gt 3 Enter softwaremgmt and choose installpkg option by typing I lt Enter gt 4 Enter the density of the diskettes you are installing from and choose the 360 KB 5 1 4 double density option by typing 2 lt Enter gt 5 Press lt Enter gt to install the driver 6 Press lt Enter gt to confirm that ISC UNIX is being installed 7 Press lt Enter gt to reboot the system To ensure that the driver is properly installed type the following command to check the driver listing displaypkg lt Return gt 47 EISA Fast SCSI Caching Adapter Driver
9. are able to check it by selecting the item Volume Options after typing the following command at the NetWare prompt load install lt Return gt Dismounting a file system To dismount a file system on removable media at the NetWare prompt type dismount volume_name_as_desired lt Return gt load monitor lt Return gt 43 EISA Fast SCSI Caching Adapter 1 Select Disk Information 2 Select the corresponding drive with removable media 3 Move the inverted cursor bar to the item Removable Drive Mount Status and choose dismount to dismount the device 4 Media ejection is now possible 3 2 Duplexing Both Mirroring and Duplexing are referred to as mirroring in the NetWare operating system Duplexing involves two drives on two separate host adapt ers While Mirroring is associated with two drives but on the same single adapter Before enabling the duplexing function be sure to load the driver NV311BME DSK two times Since hardware mirroring of your DC 820B takes effect under all operating systems it makes no sense to enable both the NetWare s mirroring and the adapter s hardware mirroring at the same time However to avoid possible adapter failure the duplexing function is a feasible solution Refer to Mirrored to SCSI ID in Chapter 1 for more details about hardware mirroring Further information about this subject can be found in the NetWare manual 44 EISA Fast SCSI Caching Adapter 45 EISA Fast SCSI Cachin
10. being destroyed by improper operation of your devices it is recommended to use the DOS 4 x or DOS 5 0 SHARE utility for automatic LOCK UNLOCK This can be done by adding share exe to your AUTOEXEC BAT file After adding the share exe file the system will LOCK your medium when opening a file and UNLOCK it when closing the file For removable media the cartridge can be retrieved at any time if no file is opened Cartridge change is transparent to the user DOS logical drive information will be updated automatically every time you change the car tridge 35 EISA Fast SCSI Caching Adapter 2 3 Disk Partition Utility TFDISK EXE is a DOS compatible disk partition program for modifying or creating a partition table Valid DOS partitions can be created by DOS FDISK for drives controlled by BIOS INT 13H or TFDISK EXE for drives controlled by device driver To run this program you have to install ASPI drivers first i e add two lines in CONFIG SYS file device c aspi aspibme sys device c aspi diskdrv sys It enables you to transfer the DC 820B drives to other adapters by selecting a proper parameter translation method For instance if you choose the Adaptec translation mode then the drives partitioned by the DC 820B can be transferred to other Adaptec host adapters The flexibility of different trans lation modes is convenient when porting your drives to other manufacturers adapters Partitioning can be done by
11. details The following is an example of the scanning sequence with two DC 820Bs The first one adapter 0 controls two floppy drives two BIOS INT 13H controlled SCSI HDDs one MO device with three logical partitions drives and one SCSI HDD The second one adapter 1 controls one SCSI HDD with one logical partition that also is the primary partition The commands in the CONFIG SYS would be like this device c aspi aspibme sys gt device c aspi diskdrv sys d 3 00 34 EISA Fast SCSI Caching Adapter Drive A Floppy drive Drive B Floppy drive Drive C Adapter 0 SCSI ID 0 BIOS INT 13H controlled HDD Drive D Adapter 0 SCSI ID 1 BIOS INT 13H controlled HDD Drive E Adapter 0 SCSI ID 4 Primary DOS MO Drive F Adapter 0 SCSI ID 4 Extended DOS logical drive MO Drive G Adapter 0 SCSI ID 4 Extended DOS logical drive MO Drive H Adapter 0 SCSI ID 5 Primary DOS HDD Drive I Adapter 1 SCSI ID 2 Primary DOS HDD Note If you enable the DOS 5 support in ECU you will be able to install up to eight drives without installing device drivers Of course your DOS version must be 5 0 or above The CHKDRIVE EXE utility can be used to check the logical drives con trolled by DISKDRV SYS Refer to CHKDRIVE EXE section LOCK UNLOCK of removable media LOCK UNLOCK functions are crucial for data integrity and need to be supported by drivers To prevent the data from
12. option as follows device c aspi aspicd exe d cdromO mb Note 2 if your CD ROM is compatible with other manufacturer and not recognized you have to add one more option t XXX XXX short for compatible manufacturer name For example if your DEC CD ROM CDU 541 is compatible with SONY CDU 541 and not recognized by the previous command you can try add one more option as follows device c aspi aspicd exe d cdromO t SON n Add a line in AUTOEXEC BAT file gt c mscdex exe d cdrom0 m 12 2 6 Installing Tape Streamer DAT After installing the ASPIBME SYS driver your DC 820B is able to support the following tape backup subsystems n SYTOS PLUS Tape backup program from SYTRON CORP n SYTOS V3 x Tape backup program from SYTRON CORP n ARCserve Solo Tape backup program from Cheyenne CORP Note that your ASPI driver only provides the interface for tape systems and you must purchase the desired tape backup software program separately 38 EISA Fast SCSI Caching Adapter 39 EISA Fast SCSI Caching Adapter Chapter 3 NetWare Drivers The DC 820B supports drivers for NetWare V3 10 3 11 3 12 SFT I11 4 00 4 01 under separate directories to support fixed disks removable media and tape subsystems lt NetWare 40X gt This directory supports drivers for NetWare V4 00 4 01 n NV40XBME DSK supports SCSI devices such as Fixed drive Remov able Cartridge and Re writable Optical Disk MO and provides inter face to ASP
13. simply typing TFDISK EXE at the DOS prompt Its four options are shown below Automatic translation method default This method reads parameters from the master boot records of drives previ ously used with other adapters and uses these parameters as DC 820B s parameters In this way you are able to do the right translation for installing other drives used with other SCSI adapters before without any inconsistency If no parameters exist in the master boot record or in the case of a new drive the Adaptec translation method will be employed Adaptec translation method This method partitions the drive to work with other Adaptec adapters Heads 64 Sectors 32 Cylinders xxx depends on drive s capacity 36 EISA Fast SCSI Caching Adapter Special translation method This method partitions the drive to work with other Tekram adapters Heads 8 16 32 48 Sectors 26 32 48 63 64 128 192 Cylinders xxx depends on drive s capacity The head and Sector will be calculated automatically and can not be modified manually Mylex translation method This method partitions the drive to work with Mylex or Ultrastor adapters Heads 16 Sectors 63 Cylinders xxx depends on drive s capacity After partitioning the disk it is necessary to reboot the system for proper operation For removable devices you can use d parameter with DISKDRV DSK to reserve logical drives After partitioning the disk by executing TFDISK EXE just mak
14. you still need to properly set the mirror initialization options Mirror pair Initialization 4 Master Disk 4 Backup Disk Both drive are MEW or contain the INUALID data CADE Press SPACE to De Select Mirror Disk pair or ENTER to Start operation t or to select ESC to return main menu Firstof all you have to set the mirror pair drives one to Master Disk and the other to Backup Disk by pressing the lt Space Bar gt The menu will then require you to choose one of the two options to delete the data in just the Backup Disk or both of them for initialization If the data in the Master Disk drive is useful then you should let the option be N The initialization will then just delete the data in the Backup Disk drive and leave the Master Disk intact After selecting N the screen will look like this 28 EISA Fast SCSI Caching Adapter E Mirror pair Initialization Mirror Pair a 4 Master Disk MAXTOR LXT 200S A 4 Backup Disk RICOH RO 3019E Press SPACE to De Select Mirror Disk pair or ENTER to Start operation tor to select ESC to return min menu If both the Master and Backup Disk drives are new or contain useless data you may key in Y instead to proceed the initialization Mirror pair Initialization Mirror Pair 4 Haster Disk 4 Backup Disk Press SPACE to De Select Mirror Disk pair or ENTER to Start operation t or 4 to select ESC to return main menu 29 EISA Fast SCSI Caching Ada
15. 1 Adapter SCSI ID 7 Slot Number 5 In case that two or more DC 820Bs are present you have to load the same driver by typing load nv311bme as many times as the number of DC 820B adapters installed To simplify the booting procedure thereafter you may want to edit STARTUP NCF file by adding the line load nv3 1 I bme slot X Replace the X with an appropriate number Refer to the NetWare manual for the procedure to edit this STARTUP NCF file Server based backup restore support The server based back up restore utility comes with the NetWare system itself Through the DC 820B s ASPI drivers you are able to use this utility with the tape sub system To run this utility at the NetWare prompt type load tsa lt Return gt load sbackup lt Return gt The Sbackup screen will appear Input user name as requested and then select the device driver Be sure to select the item HP DIBI 2 Tape Driver regardless of which type of tape drives you are using Refer to the NetWare manual regarding Server Backup for detailed backup restore procedures Removable media support Removable media devices including Magneto Optical MO differ from fixed hard disks in that the media can be changed dynamically Due to the caching capability of the NetWare operating system it is hazardous if a file system thus a disk in operation is abruptly changed without the operating system being notified Should this happen the file system will inevitably b
16. 15 EISA Fast SCSI Caching Adapter 1 Set I O port address as 330H 2 Set the SCSI ID as 0 and 1 for fixed disk drives 3 Device drivers are needed for other SCSI devices such as removable cartridge re writable optical disk MO tape streamer DAT and CD ROM 4 If the DC 820B coexists with an AHA 1540 1542 adapter you must set the I O port address as 330H for Adaptec s adapter and choose an I O port other than 330H for this DC 820B More information can be refer enced in the following sections For DOS3 3 4 0 5 0 6 0 environments the DOS 5 support enable disable option provides you an opportunity to enhance some functions 1 The limitations for both the I O port 330H and SCSI ID starting from 0 no longer exist 2 As for DOS 5 0 6 0 the DC 820B can control up to 8 devices through DC 820B s BIOS such as fixed disk and removable media devices To run the MCS ECU type CF Choose the DC 820B EISA SCSI Host Adapter to select the desired options There are three fields providing as sorted options for Hardware Firmware and SCSI devices As for the AMI ECU type CFG to set the options for Hardware and Firmware and then run the utility ACF20SU EXE for SCSI device option setting if necessary C BZOB EISA SCSI Cache Host Adapter Mass Storage device DC BZOB Adapter Hardware Options Interrupt level selection IRQ 11 Default Host Adapter BIOS ADDRESS DCOOGH Default I D port definition
17. 16MB Also you are allowed to leave all the SIMM banks empty i e Not Installed or OMB if you don t intend to add any Cache DRAM for the time being 1 5 Powering Up and Entering the System CMOS BIOS Setup When the DC 820B is inserted in an available EISA bus master slot and the jumpers and cables are properly set first turn on the power of your external SCSI devices and then the main system power When installing a SCSI drive as drive C or D set the CMOS HDD drive type as not installed Note that IDE Intelligent Drive Electronics ST506 ESDI Enhanced Small Device Interface drives always take precedence over SCSI drives That means if one IDE ST506 ESDI drive has already been 14 EISA Fast SCSI Caching Adapter installed you can only install the SCSI drive with SCSI ID 0 as drive D If two IDE ST506 ESDI drives already exist no SCSI drives can be installed as C or D When no IDE ST506 ESDI drive exists two SCSI drives with SCSI ID s 0 and 1 can be installed as drives C and D respectively When in the DOS environment with the DOS 5 Support enable disable option enabled the above limitations do not apply Refer to the next section for further details on this feature For the best performance enable the Advanced CMOS ROM shadowing option in order to speed up the DC 820B s operation This can be done in most system BIOSes by enabling the shadowing of the adapter ROM loca tion in upper memory between C8000h and DF
18. DSK from drive A Press lt F3 gt key to specify the path gt A NETWARE 40X Select the NV40XBME DSK and press the lt Enter gt for loading this driver Press another lt Return gt key to proceed the setting for I O port address and IRQ B This second sub section introduces how to install driver modules NV31XBME DSK and ASPITRAN DSK and also the supports for both tape streamer and removable media devices The ASPI driver installation procedures for V3 11 3 12 SFT IIT and V3 10 are the same except the command load nv3lxbme is replaced by load nv310bme for NetWare V3 10 The following part of the section takes the NetWare V3 11 as the example for introduction Installing the DC 820B drivers First copy the two files NV311BME DSK and ASPITRAN DSK from the NetWare driver diskette that comes with your DC 820B to the directory where the server program resides After booting up the Net Ware operating system load the DC 820B driver by typing at the prompt load nv31 Ibme lt Return gt ASPITRAN DSK will be automatically loaded first as shown on the console The system then prompts you to select the I O slot number of your DC 820B If you forget this number you can access it by entering the ECU After 41 EISA Fast SCSI Caching Adapter choosing the I O slot number the screen will display information about the configuration of the adapter selected Host Adapter DC820B I O Port Address 330 Hex Interrupt Level 1
19. EISA Fast SCSI Caching Adapter DC 820B Mirroring Caching EISA Fast SCSI Host Adapter Acknowledgements of the following trademarks Intel is a registered trademark of Intel Corporation Adaptec ASPI and AHA 1540 1542 are registered trademarks of Adaptec Novell and NetWare are trademarks of Novell Inc Sytos Plus is a registered trademark of Sytron Corporation ARCserve Solo are registered trademarks of Cheyenne Corporation MS DOS Xenix Windows and Microsoft are registered trademarks of Microsoft Corporation SCO Unix and SCO Xenix are registered trademarks of Santa Cruz Operation Inc ISC is a registered trademark of UNIX System Laboratories Inc USL is a registered trademark of Interative Systems Corporation Unix is a registered trademark of America Telephone and Telegraph Company Bell Laboratories OS 2 is a registered trademark of International Business Machines Corporation NCR is a registered trademark of National Cash Register Corporation Mylex is a registered trademark of Mylex Corporation Music Box is a trademark and Trantor a registered trademark of Trantor Systems Ltd other trademarks shown are the property of their respective owners EISA Fast SCSI Caching Adapter FCC Compliance Statement This equipment has been tested and found to comply with limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful i
20. FFh corresponding to the DC 820B s BIOS ROM address If more than one DC 820B is installed in the system only one of them needs to be enabled and shadowed as each host adapter s ROM commands are identical Any of the installed adapters addresses may be selected which offers some flexibility when optimizing utilization of UMBs Upper Memory Blocks with DOS 5 or third party memory managers When finished save the setup information and re boot the system 1 6 Running the ECU The DC 820B requires you to run the EISA Configuration Utility ECU for setting the proper Interrupt level Adapter BIOS address I O port address Direct Memory Access DMA channel and other firmware options It also supports the DOS 5 0 option to handle up to eight drives SCSI device options such as Cacheable Parity Checking Synchronous Negotiation Dis connect Reconnect Mirroring and maximum transfer rate can also be set in this utility Before running this program copy TRM0820B CFG and TRM0820B OVL or ACF20SU EXE in case of AMI ECU from the diskette shipped along with your DC 820B to the ECU diskette provided with the mainboard Also make sure that the interrupt levels and addresses of every I O adapter in your system are different from each other For optimum compatibility with the AHA 1540 1542 series the following guidelines are recommended In this way you can use the Adaptec device drivers that are built into the operating systems
21. ITRAN DSK module n NV40XBME DDI is the installation configuration file n ASPITRAN DSK is the ASPI interface for devices other than disk like tape DAT or CD ROM to work under Net Ware lt NetWare 31X gt This directory supports drivers for NetWare V3 11 3 12 SFT III n NV31XBME DSK supports SCSI devices such as Fixed drive Remov able Cartridge and Re writable Optical Disk MO and provides inter face to ASPITRAN DSK module n ASPITRAN DSK is the ASPI interface for devices other than disk like tape DAT or CD ROM to work under NetWare lt NetWare 310 gt This directory supports driver for NetWare V3 10 n NV310BME DSK supports SCSI devices such as Fixed drive Removable Cartridge and Re writable Optical Disk MO and provides interface to ASPITRAN DSK module n ASPITRAN DSK is the ASPI interface for devices other than disk like tape DAT or CD ROM to work under NetWare 40 EISA Fast SCSI Caching Adapter n BELOW16 DSK is the memory allocator routine for buffer below 16 megabyte under NetWare V3 10 This file will be auto loaded during installation The similar function is default supported under NetWare V3 11 3 1 ASPI drivers for Net Ware A This sub section explains major installation procedures for V4 00 4 01 After seeing a message block showing Scanning for available drivers during the installation you ll find a list of default supported drivers Press lt Ins gt key to install the driver NV40XBME
22. a removable medium you still have a chance to access the unrecognized drive which is over the limit of the maximum eight devices Let s say that drive F is an MO device You can then set the BIOS INT 13H device option as HD refer to the next subsection for more details In this way the DC 820B s BIOS INT 13H won t sense its existence and the new eight devices scanning sequence would be re arranged as follows DC 820B I O port 330h DC 820B I O port 230h E SCSI ID 1 SCSI ID 4 F SCSI ID 2 G SCSI ID 3 H SCSI ID 4 I SCSI ID 5 J SCSI ID 6 This Unrecognized device can be accessed if controlled through a device driver It is required to enable this option in order to work with drive capacity over 1GB under DOS environment Refer to MAX DOS disk Capacity in the next sub section 22 EISA Fast SCSI Caching Adapter Power ON delay for SCSI devices 30 120 seconds The 30 seconds power on delay default is applicable to most drives Since some slower drives may fail to respond within the default power on delay duration you may extend this time duration in order to give sufficient time for start up Controller Terminator There are two SCSI active terminators mounted on the top right hand conner of the board They can be selected to either In stalled or Removed by setting this option to Enable or Disable 1 6 3 DC 820B SCSI Device Options This field allows you to select the C
23. acheable device Parity Checking Syn chronous Negotiation Disconnect Reconnect Max DOS disk capacity Mir rored to SCSI ID DOS device type and Max Synchronous transfer rate Also the lower screen displays the device information related to each SCSI ID If you are using the AMI ECU you have to run the ACF20SU EXE utility located on the driver diskette after completing the ECU setup SCSI Device Option Setup SCSI ID H ti R B 4 6 b Cacheable device Yes Yes Yes Yes Yes Yes Yes Yes Parity Checking No No No No No No No No Synchronous Negotiation NO NO NO NO NO NO NO NO Disconnect Reconnect Yes Yes Yes Yes Yes Yes Yes Yes Max DOS disk capacity 1G 1G 16 16 16 16 16 16 Mirrored To SCSI ID Mo NO NO NO NO NO NO BIOS INT 13H device HD HD HD HD HD HD HD HD MAK Sync Xfer rate 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 SCSI ID Model Device type Capacity FUJITSU M26145 Fixed disk 173 M MAXTOR LXT 2005 Fixed disk 131 M RICOH RO 3010E Optical disk 121 M 1 2 3 4 5 6 7 EISA Fast SCSI Caching Adapter Cacheable device Yes No This option is only valid for fixed disk remov able cartridge re writable optical disk MO and Floptical The removable media device with Yes option must insert the media before the system boot up for caching algorithm to work properly When the No option is chosen both the data transfer requests and commands are passed directly to the drive itself Parity Checking Yes No This option defaults to enable
24. alization Since it is a DOS formatted utility you have to execute it either under DOS or from a bootable DOS diskette for Non DOS environments View all SCSI devices This module enables access to the information about how many host adapters HA and SCSI devices No are in the whole SCSI subsystem Also it provides each SCSI device with information about its SCSI ID ID Capacity device type Dev Type and Device Name The Mirror field indicates the mirror pair status for each drive The signifies that no mirroring activity is associated The mirroring pair devices are marked to the same alphabetical character Sten Device List Systen Bectected 1 Hoet Mlapter Capacity Bee Type Mirror Device ane 1734 Fixed A FUJITSU 126145 3 Pixed n WKTOR LXT 2066 Opticals RICOH RO 9910E CD ROM NEC CD ROM D Tape ARCHIVE VIPER 150 EISA Fast SCSI Caching Adapter This screen gives us the information about the adapter 0 has five SCSI devices ID ranging from 0 to 4 and the FUJITSU M2614S MAXTOR LXT 200S joined as a mirror pair Low level format utility Since most of the SCSI drives are already pre formatted when shipped from their manufacturers you can skip this section except in the following situations n Disk drive is damaged n Disk drive has not been formatted with 512B block Slecet a device for low level format onf iguration SCSI ID 0 FUJITSU M26145 173 MB Default SCSI ID 1 MAXTOR LXT 2005 191 MB De
25. an intelligent IDE adapter that has on board BIOS you have to choose an address higher than that of the IDE adapter in which case you should reset the IDE adapter s BIOS to a lower address I O port definition 330H default This option selects the starting address of the block of four I O ports employed by the DC 820B Also be sure that no other adapters use the same I O port For UNIX systems you have to choose 330H for the host adapter that controls the bootable drive with the SCSI ID as 0 This is also true for DOS3 3 4 0 5 0 systems without enabling the DOS 5 support enable disable option The Slot specific I O XCOOH option is for the condition of no other avail able I O ports The X of XCOOH stands for the I O slot number and can be referenced in the ECU For instance if your DC 820B is at slot 5 and chooses the Slot specific I O XCOOH option it will employ 5COOH as its starting I O port address Also the DC 820B s drivers need to be added for assorted operating systems other than DOS As for DOS systems you have to enable the DOS 5 support enable disable option and let BIOS INT 13H handle your SCSI devices Since up to six DC 820Bs can be installed in the system the scanning priority depends on their I O port addresses i e from I O port 330H gt 334H gt 230H gt 234H gt 130H gt 134H gt Slot specific I O XCOOH Also the scanning sequence within the DC 820B would be from SCSI ID 0 to 18
26. ating system It supports up to six coexisting host adapters and the ASPI interface for Sytos Plus ARCserve Solo tape subsystems fixed disk removable cartridge MO Floptical CD ROM CD Changer and scanner 2 The DISKDRV SYS is for installing valid DOS partitions as logical drives with those SCSI devices not controlled by BIOS INT 13H It supports Fixed disk Removable Cartridge Re writable Optical Disk MO and Floptical It also enables you to recognize data formats used by other adapter manufacturers 3 TFDISK EXE is a DOS compatible disk partition utility program It allows you to choose several popular translation modes to port your DC 820B partition to other manufacturers adapters This provides you great flexibility for drive portability to other adapters 4 CHKDRIVE EXE is a utility for checking the physical drive and its logical status 5 ASPICD EXE is the device driver for CD ROM and CD Changer devices DOS uses the ASPI driver as a software interface to communicate with SCSI devices The peripheral driver will talk to ASPI interface instead of host adapter hardware Under this architecture multiple devices can share the host adapter without conflict The ASPI driver is typically installed under the following situations n Multiple adapters coexist up to six n SCSI devices not controlled by BIOS INT 13H n install removable media n interface to Tape CD ROM and other SCSI devices 32 EISA Fast SCSI Cachin
27. d i e Yes If set as No the DC 820B won t perform the parity checking on the SCSI bus For some devices that do not implement the parity function you have to disable this option Synchronous Negotiation AT PA NO AT is for Active Synchronous nego tiation in this mode DC 820B will initiate SCSI synchronous negotiation when the system boots up If the PA Passive Synchronous Negotiation mode is chosen another SCSI device instead of DC 820B must initiate the negotia tion NO default Asynchronous Negotiation mode is for the transfer to be done asynchronously which is normally at a lower rate and not related to the timing constraints of SCSI devices Disconnect Reconnect Yes No Yes is the default option and allows the SCSI device to be off line by freeing the SCSI bus when performing multi tasking operation In this way the DC 820B can simultaneously process multiple operations on the SCSI bus and thus improve the SCSI bus effi ciency in the multiple device environment Max DOS disk capacity 1G 1 5G 2G 3G 4 5G 1G is the default option and compatible with AHA 1540 1542 series that means you can directly port the drive with AHA 1540 1542 series format to the DC 820B For operating systems other than DOS and NetWare you must choose the 1G option Also to activate options other than 1G i e 1 5G 2G 3G 4 5G you have to enable the DOS 5 Support enable disable in the Adapter Firmware Options first The following is the parame
28. e corrupted Another problem arises if a new disk file system is inserted 42 EISA Fast SCSI Caching Adapter Somehow the operating system must be informed of the change and new disk geometry be passed on in order that the new file system is recognized For proper installation be sure to follow the procedure below when using removable media devices Mounting a filesystem To mount a file system on removable media insert the medium and wait for the drive to spin up At the NetWare prompt type load monitor lt Return gt 1 Select Disk Information 2 Select the corresponding drive with removable media 3 Move the inverted cursor bar to the item Removable Drive Mount Status and press lt Return gt to mount the device Note If the status is mounted already then dismount and mount it again by pressing 4 consecutive lt Return gt to make sure the operating system gets the correct disk geometry 4 Exit monitor 5 The message shown on the console informing you of the new media geometry looks like this DC820B 3 ID 5 Removable media hds 64 sec 32 cyls 120 This indicates that your DC 820B is installed in slot 3 and your device has a capacity 120MB with SCSI ID 5 6 At the NetWare prompt type mount volume_name_as_desired Then the file system is mounted and the device is locked Any attempt to eject the media while the file system is mounted produces no effect If the volume name of the new medium is unknown you
29. e a disk change i e retrieve the cartridge and then insert again to DOS You can use CHKDRIVE EXE to verify that the partition has been changed 2 4 CHKDRIVE EXE Utility This utility can be used to check the physical drive and its logical status under Device driver mode It provides information about the drive s SCSI ID manufacturer model number capacity and drive status This utility is quite useful for checking if the functions of removable media are as expected such as media change movement Drive status can be reserved unformatted or usable Reserved Stands for the logical drive s reserved by DISKDRV SYS s d option which do not exist For example if nx for this specific device is three and only two logical partitions do exist then the last one logical partition reserved by d option would be marked as reserved Unformatted Means this drive still needs to be formatted by the DOS FORMAT utility to become a usable one 37 EISA Fast SCSI Caching Adapter Usable Means this drive is all right to work with 2 5 Installing the CD ROM Driver ASPICD EXE is a driver for CD ROM and CD Changer devices Besides that you still need one more execution file mscdex exe which can be acquired from Microsoft The following shows the driver installation n Add a line after ASPI driver device c aspi aspibme sys gt device c aspi aspicd exe d cdrom0 Note 1 if for Trantor s Music Box you have to add one more
30. e accesses to the storage subsystem thus prolonging the lifetime of your drives This feature applies to fixed disks or removable media devices such as removable cartridge MO Magneto Optical and Floptical drives The DC 820B is both I O register and command compatible with the AHA 1540 1542 series and able to run with built in Adaptec drivers The follow ing are the operating systems that allow you to do so n MS DOS through BIOS INT 13H n Windows 3 X NT n OS 1 31 2 X n SCO UNIX V3 2 X n SCO ODT V1 X 2 0 n SCO XENIX V2 3 X n ISC UNIX V3 2 n AT amp T UNIX SVR4 X n USL UNIX SVR 4 2 n Sunsoft NextStep V3 1 n Solaris OS V2 1 n QNX V2 15 n PICK 5 2 4 n Banyan VINES R 5 00 EISA Fast SCSI Caching Adapter All versions of MS DOS support two hard disk drives without adding device drivers If MS DOS 5 0 is used the DC 820B BIOS can handle up to eight devices including fixed disk and removable media by enabling the DOS 5 Support enable disable option during the ECU EISA Configuration Utility setup process The driver diskettes shipped along with your DC 820B include ASPI Ad vanced SCSI Programming Interface drivers for DOS NetWare drivers and UNIX LOCK UNLOCK utility for removable media devices Also the DC 820B comes with a utility program TOOLBME EXE which provides low level format mirroring initialization and disk image copy compare functions By implementing the ASPI drivers for DOS the DC 820B recog nizes devices fo
31. ed during the whole device access history Note that only the DC 820B and its series are able to record the times of error IOPORT 330H READ WRITE SCSI ID ERROR ERROR Interrupt Leu Host Adapter 0 0 0 DMA Channel S 1 0 0 Cache Line Si Cache DRAM Te Host Adapter DOS 5 Support Power on Dela SCSI Device O Display Error Low Level For Do you want to clear the error log information am Y There is a count limit of 31 for both read and write error logs If one of them exceeds 31 the DC 820B will issue a warning message through the beeper connected to it by keeping beeping This also implies some defects such as bad sector s may reside in the device and you should do something about it Also you need to reset the counter by choosing Yes to clear all log data and resume the logging function Note that the log data is stored in the EEPROM of the DC 820B and not able to be erased by turning the power off Since this log utility cannot sense the SCSI ID change among your devices you have to take care of the SCSI ID consistency regarding to each device for correct logging 31 EISA Fast SCSI Caching Adapter Chapter 2 ASPI Driver for DOS This chapter describes the ASPI Advanced SCSI Programming Interface driver installation for DOS and some other useful utility programs under this ASPI environment 1 The ASPI driver ASPIBME SYS provides the basic communication interface for the host adapter device driver and DOS oper
32. eight devices controlled by BIOS INT 13H such as IDE ESDI ST506 SCSI fixed disk removable car tridge and re writable optical disk MO As for the DOS 3 3 4 0 you can only control up to two drives This option occupies 1KB of conventional memory space as the scratch pad memory i e 639K B 640KB Also this option may cause some virus protection software or hardware to issue a false alarm To set this option as Enabled you are able to coexist with an Adaptec SCSI adapter but you have to leave 330H for Adaptec s adapter and switch the DC 820B s I O port to some other address Aside from this you have to add the necessary device driver s The following is an example under MS DOS 5 0 with the option enabled To simplify the example each device is defined as having only one DOS partition i e two devices for drives C D four devices for drives C D E 21 EISA Fast SCSI Caching Adapter F and so on The following demonstrates the case of one IDE adapter with two IDE HDD drives and two DC 820Bs with seven SCSI drives Also refer to the V O port definition for more scanning details DC 820B DC 820B I O port 330H E SCSI ID 1 F SCSI ID 4 I O port 230H G SCSI ID 2 H SCSI ID 3 I SCSI ID 4 J SCSI ID 5 SCSI ID 6 Unrecognized This is the last device in the scanning sequence and is beyond the maximum of eight devices Need device driver If any device s among E through J is
33. external SCSI cable Remove the terminators on all devices connected in between 3 Both internal and external devices are connected to the DC 820B Re move terminators on the host adapter i e Disable and leave the other sets of terminators mounted on the last devices connected to the internal and 13 EISA Fast SCSI Caching Adapter external cables respectively As in the above case remove the terminators from all devices connected in between Store the terminators in a safe place for future use if necessary 1 3 Cable Connection CN1 CN2 amp CN3 There are three connectors on your DC 820B CN1 CN2 and CN3 External SCSI drive s connector CN1 This 50 pin high density SCSI 2 connector is for connecting external SCSI devices Internal SCSI drive s connector CN2 The 50 pin flat cable should connect to CN2 with its colored stripe normally red aligning with Pin 1 of CN2 Floppy interface connector CN3 The 34 pin flat cable should be connected to CN3 with its colored edge normally red aligning with Pin 1 of CN3 Note that improper cable connections may damage both the drives and host adapter 1 4 Cache DRAM Installation The DC 820B features four SIMM sockets arranged as one single memory bank 256KB 1MB 4MB fast page mode SIMMs are required with a mini mum access time of 80ns or faster All four SIMM sockets must be installed with SIMMs of same size thus three cache sizes are available 1MB 4MB and
34. fault SCSI ID 2 RICOH RO 3910E 121 MB Default Default d Default Host Adapter SCSI ID SCSI ID 7 Default DOS 5 Support Disable Enable Disabled Default Power on Delay for SCSI Device 30 sec Default SCSI Device Option Select Press lt Enter gt Display Error Log Press lt Enter gt Low Level Format Utility Press lt Enter gt After selecting the desired device with confirmation the low level format will proceed then Under normal circumstances it is both unnecessary and inadvisable to do low level formatting Also executing this utility will erase all information and data on the drive Mirror pair initialization The pair of mirroring drives are defined in the Mirrored to SCSI ID option of the DC 820B SCSI Device Option when executing the ECU This module helps you prepare the necessary procedures before performing disk mirroring and restore the data once one of the mirror pair drives is in trouble By executing this initialization utility you are able to make an exact duplicate of the master drive Note that this initialization 27 EISA Fast SCSI Caching Adapter always duplicates the Master Disk to the Backup Disk slave If one of the Mirror Pair drives is malfunctioning you can try to adjust the proper Mas ter Backup relation by selecting the Mirrored to SCSI ID in the ECU and then execute this module to put things in order Followed by the Mirrored to SCSI ID setting in the previous sub section
35. ful interference and 2 this device must accept any interference received including interference that may cause undesired operation EISA Fast SCSI Caching Adapter QuickInstallation Guide Install the cache DRAM Sec 1 4 Set your SCSI HDD s ID to 0 and 1 if avail able Plug the adapter onto your system amp Cabling Power on the SCSI device s amp then the system Enter the mainboard s CMOS setup amp set the Drive C D to Non installed for SCSI HDDs Shadow Adapter s ROM BIOS for optimal performance CONFIG the system for the first time or Set Adapter Device Options DOS Sec 0 1 Install A gt INSTALL Driver NetWare Chap 3 UNIX Chap 4 Re boot the system amp Play EISA Fast SCSI Caching Adapter Table of Contents Chapter O INTRODUCTION rrnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnr 6 0 1 Easy DOS Driver Installation Software INSTALL EXE ccssssseceeees 7 Chapter 1 HARDWARE SETUP nnnvnnnennnnnnnnvnnnunnnnvennnvnnnvennnenn 12 1 1 Board Layout and Jumper Setting rrsavvnnnnnvnnnnnvvnnnnnnnnnnnnnvnnnnnnnennnnnnnnnnn 12 1 2 Checking the Terminators on the SCSI BUS rnnnvrnnnnnnvnnnnnnvnnnnnvnnnnnnnennnn B 1 3 Cable Connection CN1 CN2 amp CN mrennnrnnnnvrnnnvnnnnvnnnnvnnnnvnnnnvnnnnnnnner a 1 4Cache DRAM Installation ernnvnnnnnnnnnvennnvnnnnvnnnnvnnnnvnnnnnnnnnnnnnnennnnnnnnnn a 1 5 Powering Up and Entering the System CMOS BIOS
36. g Adapter 2 1 Installing the ASPI Driver With ASPI driver ASPIBME SYS installed you are able to run or install the following drivers and utilities TFDISK EXE Disk partition utility in this diskette DISKDRV SYS Disk driver in this diskette AFDISK EXE Disk partition utility from Adaptec ASPIDISK SYS Disk driver from Adaptec ASPICD SYS CD ROM and CD Changer driver SYTOS PLUS Tape backup program from SYTRON CORP SYTOS V3 x Tape backup program from SYTRON CORP ARCserve Solo Tape backup program from Cheyenne CORP 5 35 53535355 3 Other utilities drivers conforming to the ASPI standard may also be used Before installing copy the drivers and utilities into a proper directory e g C ASPI Install the DC 820B properly and add a line in CONFIG SYS device c aspiNaspibme sys The DC 820B is able to coexist with other host adapter in the same system When it co exists with Adaptec s adapter you must set the I O port address as 330H for Adaptec s adapter to ensure proper operation Of course you should not set the I O address as 330H for your DC 820B under this circum stance 2 2 Installing the DISKDRV SYS Driver DISKDRV SYS is the driver for creating valid DOS partitions as logical drives with those disk drives not controlled by BIOS INT 13H DISKDRV SYS controls up to eight SCSI devices such as fixed disk removable cartridge re writable optical disk and Floptical Since DISKDRV SYS scans the parameters fro
37. g Adapter Chapter 4 UNIX LOCK UNLOCK Driver Packages This chapter introduces the installation procedures of UNIX LOCK UNLOCK support for removable media devices It is especially important for removable media devices that employ the caching capability supported by the DC 820B 4 1 SCO UNIX V 3 2 2 This SCO UNIX driver is in the SCO ISC UNIX drivers diskette Since its driver diskette is UNIX formatted and cannot be read from DOS you may refer to the latest information in the README TXT file on the DOS NetWare driver diskette if necessary A similar function is default supported in the SCO UNIX V3 2 4 Also refer to the README TXT file for installation procedures if your driver diskette is a 3 1 2 720KB one Driver installation To install the driver insert a working copy of the UNIX driver diskette in drive A 1 To prepare the installation for 360KB driver diskette you must type cd dev mv dsk f0 dsk f0 org mknod dsk f0 b 2 132 mv rdsk fO rdsk f0 org mknod rdsk f0 c 2 132 At the prompt type installpkg Press lt Enter gt to install from floppy driver 0 Press lt Enter gt to install the driver Press lt Enter gt to confirm that SCO UNIX is being installed To have the newly built UNIX take effect reboot the system To restore the status changed in step 0 you have to type cd dev mv dsk f0 org dsk fO mv rdsk f0 org rdsk fO p STD OP pa Driver removal 46 EISA Fast SCSI Caching Adapter
38. k Mirroring Beeper JP2 JP2 is used to issue the warning beep through a speaker when an error occurs during the process of disk mirroring It can be connected to the SPEAKER in the front panel of your system or to another speaker complying with the same specification of the system s SPEAKER Floppy Enable Disable JP3 JP3 is shorted to enable the floppy controller of the DC 820B Note that only one floppy controller can be enabled in the system If another floppy control ler in the system cannot be disabled then JP3 should be left open floppy controller disabled 1 2 Checking the Terminators on the SCSI Bus In order to stabilize the SCSI bus only two sets of resistor array terminators should be installed one at each end Since DC 820B equips with Active Terminators on board and can be selected to Enable or Disable by entering the ECU utility of your mainboard you don t need to open your cabinet to do the adjustment refer to Sec 1 6 2 for Controller Terminator option The following explains the terminators installation 1 Only internal devices are connected to the DC 820B Leave terminators mounted on both the host adapter i e Enable and the last device connected to the internal SCSI cable Remove the terminators on all devices connected in between 2 Only external devices are connected to the DC 820B Leave terminators mounted on both the host adapter i e Enable and the last device connected to the
39. lines for some specific error conditions 0 The LED connected to JP1 flashes some diagnostics signals after power up The following shows the flash frequency of each fatal error condi tion n One short flash DC 820B s CPU error n Two short flashes SCSI chip error n Three short flashes BMIC 82355 error n Four short flashes DC 820B s SRAM error n Five short flashes DC 820B s EPROM checksum error 1 Under BIOS INT 13H not more than two hard disk drives installed for Non DOS 5 support environment n if the SCSI ID set properly ID 0 for the first drive and ID 1 for the second drive and the I O port set to 330H 54 EISA Fast SCSI Caching Adapter No BIOS message from DC 820B appears on the screen n ROM address conflicting with other I O card s gt check the ROM addresses of all the I O cards and make sure none are conflicting n VGA card with Fast Address Decode option enabled gt this may cause all I O cards that employ 8 bit ROM BIOS DC 820B in cluded not to be recognized Please disable this option if possible Missing operating system normally happens in drives previously used with other adapters n Under BIOS INT 13H gt please refer to guideline 1 If correct then go on to perform partitioning by using the DOS FDISK command FDC error n Could be more than one FDC enabled gt make sure only one FDC is enabled Devices not recognized n Check if the cabling and terminators are properl
40. m the master boot record of your drives automatically it is possible to install drives previously used with other SCSI adapters without any inconsistency Using the d option you are able to reserve up to 9 logical drives for each SCSI device Also you have to keep the number of total partitions logical 33 EISA Fast SCSI Caching Adapter drives reserved with the driver within 16 This option is important for removable media devices If you do not reserve enough logical drives for your removable media it may cause some of the logical drives to go unrecog nized To install add a line after ASPI driver in the CONFIG S YS device c aspi aspibme sys gt device c aspi diskdrv sys d n1 n2 n3 n amp nl logical drives are reserved for 1st physical drive n2 logical drives are reserved for 2nd physical drive n3 logical drives are reserved for 3rd physical drive n nx x 1 8 and the value of nx ranges from 0 to 9 nnx 0 DC 820B scans the number of logical drives automatically n the ordering of physical drives starts from primary to secondary and SCSI ID from 0 to 7 It is recommended that DOS 4 x or DOS 5 0 be used For DOS 3 x logical drive capacity is limited to 32M bytes or less Logical drive scanning sequence The scanning sequence of SCSI devices that DISKDRV SYS follows is starting from adapter 0 SCSI ID 0 primary partition and then extended partition Also refer to the I O port definition for more scanning
41. me the above limitations Two options available are as follows 1 Disabled default When this option is chosen you can only handle two drives through BIOS INT 13H Be sure that the SCSI IDs of these two drives must start from 0 and make sure to set 330H as your I O port address All other SCSI devices such as fixed disk more than two removable cartridge re writable optical disk MO tape streamer DAT and CD ROM should be controlled by device drivers When devices are under the control of BIOS INT 13H IDE drives always have higher priorities over SCSI drives The following is an example describ ing all the combinations 20 EISA Fast SCSI Caching Adapter IDE HDD 0 none drive C drive C IDE HDD 1 none none drive D SCSI device 0 SCSI drive C drive D ID 0 SCSI device 1 SCSI drive D ID 1 Not recognized by BIOS INT 13H if existing Can only be controlled by device driver Case0 No IDE drive exists You must set the SCSI ID as 0 for bootable drive and 1 for the other Casel The IDE drive is recognized as drive C And you must set the SCSI ID as 0 for this SCSI drive D Case2 No more SCSI device can be controlled by BIOS INT 13H 2 Enabled This option can only be enabled for MS DOS 3 3 4 0 5 0 and NetWare duplexing environments Do not activate it under other operating systems Under DOS 5 0 you are able to control up to
42. nition Select the DC 820B DMA channel C DMA 5 Default Cc ODMA 6 cC DMA 7 c DDMA O C DDMA Disabled Interrupt level selection IRQ 11 default This option selects the host adapter interrupt channel Note that no other adapters may use the same level When you run out of available interrupts you may enable the DOS 5 support enable disable option refer to next subsection and choose the Interrupt level selection as Disabled This Disabled option is only valid for DOS environments and all the SCSI devices have to be directly controlled by 17 EISA Fast SCSI Caching Adapter BIOS INT 13H Device drivers have no effect if this Disabled option is chosen WARNING if coexists with IDE HDD IRQ14 is used by the Primary IDE IRQ Channel amp IRQ15 is used by the Secondary IDE IRQ Channel Host Adapter BIOS ADDRESS DCOOOH default This option selects the starting address of the 16KB memory block for DC 820B s BIOS Each location can only be assigned to one individual adapter If you install more than one DC 820B in the system you only need to select one BIOS address for one of the DC 820Bs and leave the option Disabled for the other DC 820Bs This is because the host adapter BIOS will also service the other DC 820Bs that select Disabled as the option By doing this you are able to save 16KB memory for EMM386 or QEMM386 for each DC 820B that selects the Disabled option When your DC 820B co exists with
43. nterference in residential installations This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interface to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Move the equipment away from the receiver Plug the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio television technician for addi tional suggestions Only equipment certified to comply with Class B should be attached to this equipment and must have shielded interface cables The FCC requires the user to be notified that any change or modifications to the equipment by the user not expressly approved by the grantee or manufacturer could void the user s authority to operate such equipment Each DC 820B is equipped with an FCC compliance label which shows only the FCC Identification number FCC ID KHADC 820B This device complies with Part 15 of the FCC rule Operation is subjected to the following two conditions 1 this device may not cause harm
44. ocol chip Intel BMIC 82355 n Maximum EISA bus data transfer rate 33MB sec bus master with burst mode n n 50 Maximum Fast SCSI II bus data Xfer rate 10MB sec synchronous S5MB sec asynchronous Maximum SCSI devices installable 42 SCSI devices Maximum floppy drives supported 2 360K 720K 1 2M 1 44M and 2 88M Selectable I O port amp Interrupt 6 EISA Fast SCSI Caching Adapter Functional n Enhanced SCSI I O protocol Multi threaded amp Multi tasking support Enhanced mailbox structure breaking 16MB bus master addressing limit and Scatter Gather data transfer support n EISA Auto configuration support n Easy DOS driver installation software INSTALL EXE helps you in stall the needed driver s by updating the CONFIG SYS and AUTOEXEC BAT automatically 51 EISA Fast SCSI Caching Adapter Appendix B Product Support Form The following information should be provided to your supplier in writing to obtain technical support assistance 0 Ever try General Troubleshooting Tips in Appendix C and without suc cess Yes No 1 DC 820B Information n Serial n Purchase Date n Firmware Version n BIOS Version n Driver Installed 2 System Hardware Configuration please list the manufacturer model chip and SCSI ID of each device n Motherboard Speed n Motherboard DRAM SRAM n Video card n Hard disk Floppy card ps n Network card n Hard disk drive s SCSD nFloppy drive s n Other devices
45. pter Disk image copy utility This module copies the data from the Source Disk to the Target Disk on a drive to drive basis Still you have to set the copy pair drives one to Source Disk and the other to Target Disk by pressing the lt Space Bar gt Disk image copy utility Mirror Pair 4 Source Dick farget Disk Pross SPACE bar to DelSelect device or EYTER to Start operation t or 4 to select ESC to reture main memu Disk image compare utility This module compares the data of the Source Disk with that of the Target Disk on a drive to drive basis Still you have to set the compare pair drives one to Source Disk and the other to Target Disk by pressing the lt Space Bar gt Disk image compare etility Mirror Pair 4 Source Disk 4 Target Disk Compare the Disk Inege of WITS Meanie ipto with MTOR LXT 2006 IDC1 6F51H Bike ation tor to select ESC to return nein memu EISA Fast SCSI Caching Adapter Adapter Error Log utility This module provides the I O error log informa tion for the devices controlled by the DC 820B s When this module is selected the screen will display the information of I O port address corre sponding to each adapter which is an Adaptec adapter or its compatible You may then further go through the specific adapter for viewing the Read Write error log information for all devices attached to it This error log information screen will show the times of error logg
46. r is damaged One condition of this option is that the slave drive must have at least the same storage capacity as the master drive Besides setting this option properly you still have to run a utility program TOOLBME EXE to set up the mirroring initialization Refer to the next section for more details about TOOLBME EXE BIOS INT 13H device HD HDRM No HD default option is for fixed disk drives controlled by BIOS INT 13H and will be ignored if no device is installed HDRM option is for fixed disk and removable disk drives con trolled by BIOS INT 13H The No option is for drives controlled by the DC 820B s device driver instead of INT 13H Note that removable disk drives with the HDRM option selected can only function as fixed disks and are not allowed to change media Also if you set the option as HD for a removable media device it can only be recognized by adding a device driver instead of being controlled through BIOS INT 13H MAX Sync Xfer rate 10 0 2 00 MB sec DC 820B supports the 10 00 MB sec as its highest data transfer rate to work with SCSI devices comply ing with Fast SCSI protocol The DC 820B will negotiate an optimum speed depending on the transfer rate of each device under your chosen option 25 EISA Fast SCSI Caching Adapter 1 7 TOOLBME EXE Utility amp Disk Mirroring Initialization TOOLBME EXE is a utility program performing the functions of Low Level Format Disk Copy Disk Compare and Mirroring Initi
47. rmatted by other adapters such as Adaptec and Mylex or formats devices that will be recognized by other makers host adapters A software program INSTALL EXE is included in the driver diskette to ease the DOS driver installation Further details can be found in the next section 0 1 Easy DOS Driver Installation Software INSTALL EXE The DOS driver diskette provides an INSTALL EXE file to ease the driver installation for your SCSI devices The driver installation will be neces sary if 1 more than two HDDs installed and without DOS 5 Support enabled sec 1 6 2 or 2 SCSI device s other than HDD installed This software program provides you the information about the adapter and your SCSI devices After choosing the device s which you want to install with the driver s this program will update the CONFIG SYS and AUTOEXEC BAT files Further information about drivers and step by step installation proce dures can be found in the Chapter 2 ASPI DRIVER FOR DOS The following screens display the procedures of this software 1 Firstly this screen shows the information about adapter number HA 0 T O port address Base 330H DMA channel DMA 5 interrupt level IRQ 11 and SCSI ID ID 7 In this case there is only one adapter available If EISA Fast SCSI Caching Adapter more than one adapter co existing in the system then you must select which adapter you want to work with The System has the following Host Adap
48. t c Disable Cache line size 16KB 8KB 4KB This option allows you to change the size in kilobytes of cache lines Depending on total cache memory size installed you may wish to experiment with the different values to obtain optimum performance The table below provides some suggested cache line sizes for different operating systems and installed cache memory sizes i 19 EISA Fast SCSI Caching Adapter Cache Size IMB 4MB 16MB DO 0 4KB line 16KB line 16KB line 4KB line 16KB line 4KB line 8KB line 16KB line Cache DRAM test Suppressed Simplified Full test Suppressed test is the default option and would just skip the test on cache DRAM to save time for system boot up Full test on cache DRAM includes regular pattern random pattern and address pattern tests Choosing the Simplified test option would only activate the regular pattern test Host Adapter SCSI ID 0 7 The default ID of DC 820B is 7 Each device including the DC 820B must have its own individual SCSI ID If any conflict occurs check the device menu for proper ID setting DOS 5 Support enable disable Under DOS environments the devices connected to the DC 820B can be controlled through BIOS INT 13H or device drivers There are some limitations for devices serviced by BIOS INT 13H such as the I O port has to be set as 330H and the SCSI ID must start from 0 This option enables you to overco
49. ter s 1 DC 820B HA 0 Base 330H DMA 5 IRQ 11 ID7 2 This screen provides the information of the SCSI devices controlled by the chosen adapter HA 0 The system has the following SCSI devices Devt HAH SCSIID Vendor ID Product ID FUJITSU MAXTOR NEC After selecting more detailed information about each device can also be M26145 0607 LXT 2005 2 11 CD ROM DRIVE B4 1 0 found For example we select the Fujitsu drive Revision Level The system has the following SCSI devices Peripheral Device Type Renoval Media SCSI Revision Vendor Identification Product Identification Product Revision Level Command Linking Supported Syncounous Transfer Supported Tagged Command Linking Not Supported EISA Fast SCSI Caching Adapter 3 The following screen provides you the information about how many SCSI devices installed in the system and requires you to answer if to install the driver s or not Current System has 2 Disk Drives including Removal and Optical Device 1 CD ROM Devices 0 Tape Device Including QIC Tape Drive and DAT Do You Want to install ASPI Manager Y N Do you want to install ASPI Hard Disk Driver Y N Do you vant to install ASPI CD ROM Driver Y N The next following screen requires you to specify the directory pathname for the device drivers The Installation Program will copy some Device Drivers and Utility to following directory C NDCSCSI Press
50. ter translation informa tion corresponding to each option 512B sector IG 64 heads and 32 sectors maximum 1GB 1 5G 64 heads and 48 sectors maximum 1 5GB 2G 128 heads and 32 sectors maximum 2GB 3G 128 heads and 48 sectors maximum 3GB 4 5G 192 heads and 48 sectors maximum 4 5GB 24 EISA Fast SCSI Caching Adapter Mirrored to SCSI ID NO 1 7 This disk mirroring function is implemented by the DC 820B s firmware and works for all operating systems This option needs two and only two drives and is selected from the slave drive s point of view The SCSI ID number you choose stands for the master drive that you want to mirror to The NO option may stand for two meanings either this drive master mirrors to another drive or no mirroring operation is on this drive at all So from the example shown on the setup screen we can tell that the fixed drive with SCSI ID 1 slave is mirrored to another fixed drive with SCSI 0 master The MO with SCSI ID 2 has NO as its option and is not involved in any mirroring activity When the mirror function is enabled the mirror pair related to this operation would be seen as one That means a WRITE operation would be performed on both the master and slave drives On the other hand a read operation would only access the data from the master drive and not the slave Since a duplicate copy of the master drive would reside on the slave drive data security is ensured in case one of the pai
51. up n For some specific drives such as NEC 384 Seagate ST3283N amp Alps DR312D you need to setup the Max Sync Xfer Rate option to 5MB sec instead of 10MB sec default 56
52. y nnasasvvonnnnnnnnnvvvnnnnnnnnnvvnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnenenr 4 Chapter 4 UNIX LOCK UNLOCK Driver Packages 0 4 41SCOUNDINI22 iaaiiai aaaea aiaei niaaa da aunida aia A2ISCUNIXV32 2 sinsk andelene add bankene enteteadecelscceaunees a EISA Fast SCSI Caching Adapter Appendix A Technical Specification xrrnnnnnnnnnnnnnnnnnnnnnnnnr D Appendix B Product Support Form nnnxnnnnnnnnnnnnnnvnnnnnnnnnnr 52 Appendix C General Troubleshooting Tips x nnnnnnnnnnnnnnnnnr A EISA Fast SCSI Caching Adapter Chapter 0 Introduction The DC 820B is an intelligent multi tasking SCSI Small Computer System Interface bus to EISA bus host adapter Up to six DC 820B adapters can be installed in one system with each adapter supporting up to seven SCSI devices In addition the DC 820B offers hardware based disk mirroring under all operating systems in order to further safeguard your valuable data Another feature the Disconnect Reconnect minimizes the performance down grade during multi tasking operations The DC 820B effectively reduces disk access times by way of its on board co processor which handles most of the disk access chores to relieve the burden of the mainboard s CPU Through its multi tasking support the DC 820B manages the SCSI sub system efficiently and smoothly The on board cache facilitates increased DTR Data Transfer Rate and markedly reduces direct read writ
53. y installed n Some specific drives such as Hitachi s need more power on delay time Try to set the Power ON Delay for SCSI Devices option to a longer dealy Cannot access your adapter when executing the ECU n Could be installed in a slot not supporting the bus master gt refer to the mainboard menu and install your adapter into a bus master sup porting slot Possible incompatibility problems when enabling the DOS 5 support option in ECU n Due to the condition of occupying the 1KB 639KB 640KB memory space some software programs such as virus protection programs may issue false alarms Surprisingly fast FORMAT means not completed n The FORMAT is actually done Due to that the time consuming command READ VERIFY is ignored to improve the performance your drive will respond to the FORMAT command very quickly 55 EISA Fast SCSI Caching Adapter This is also a common measure used by other caching adapters such as Mylex to improve the performance Of course if you turn the cache off i e set the Cacheable device option to No and you ll find things are back to they used to be 9 Wait for about 30 seconds during power up of the system if the medium not inserted in the removable media device n This is correct To shorten the waiting time you can either insert the medium or set the Cacheable device to No in the ECU diskette or ACF20SU EXE before powering up the system 10 Hang very soon after the ECU set
Download Pdf Manuals
Related Search