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IWILL DP6NS Manual

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EC Declaration of Conformity
We
Iwill Corp.
No. 9-1, Kong 6th RD.,
Lin Kou 2nd Industrial
Park, Taipei, Taiwan R.O.C.
declare under sole responsibility that the
DP6NS motherboard
meets the intent of Directive 89/336/ECC for Electromagnetic Compatibility.
Compliance was demonstrated to the following specifications as listed in the
official Journal of the European Communities:
EN 50081-1 Emissions:
EN 55022
EN 55022
EN 60555-2 Power Harmonics
EN 50082-1 Immunity:
IEC
801-2 Electrostatic Discharge
IEC
801-3 RF Radiat
IEC
801-4 Fast Transient
Radiated, Class B
Conducted, Class B
1

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Summary of Contents for IWILL DP6NS

  • Page 1 Lin Kou 2nd Industrial Park, Taipei, Taiwan R.O.C. declare under sole responsibility that the DP6NS motherboard meets the intent of Directive 89/336/ECC for Electromagnetic Compatibility. Compliance was demonstrated to the following specifications as listed in the official Journal of the European Communities:...

  • Page 2: About This Manual

    About This Manual This manual will guide both of experienced / beginner users in quick / detail installation the system. There are six chapters in this manual and step by step description will clearly guides you how to install the system. User who is experienced in assembling system may refer to chapter 0 for quick installation.
  • Page 3 Chapter 1- Overview 1.1 Features 1.2 Specif ications Chapter 2- Quick Installation Chapter 3- Hardware Installation 3.1 Preparation and Inspection 3.2 Placement 3.3 CPU group 3.4 D-RAM Conf iguration 3.5 SCSI Interf ace 3.6 RAIDBUS 3.7 IDE Interf ace 3.8 USB 3.9 Enhanced Multi-IO 3.10 Other Chapter 4- ATX Form-Factor Overview...

  • Page 4: Quick Installation

    If you are new user and need to know more about this motherboard, please start from Chapter 1. SIMM Socket 8 RAID P. IDE S. IDE Socket 8 BIOS W. SCSI JP15 P. Control U. SCSI Figure 1:Connectors for DP6NS...
  • Page 5 Socket 8 JP11 Socket 8 JP23 Figure 2 : Jumpers location...

  • Page 6: Connector Function Description

    Connector Function Description 20 pin Standard ATX power input connector BIOS BIOS (Basic Input Output System) Two 387 pin Socket 8 CPU socket 34 pin Floppy Disk Drive with key protect connector Two Fan Power connector 25 pin Parallel D-Sub connector 4 x ISA(Industrial Standard Architecture) 98 pin expansion slot SIMM SIMM Socket...

  • Page 7: Jumper Setting

    Jumper Setting 3.3V Power Source Select SCSI Chip Select CPU Frequency Select CMOS Clear Jumper JP11 Flash EPROM Jumper Setting JP12 Power-on switch type select JP15 System On/Off Switch JP23 Auto SCSI Terminator Control Function Quick Installation Step 1. Install Pentium Pro CPU Pull up the CPU handle bar, place the CPU into the socket in gentle/ horizontal way then pull down the handle bar back to its original place.
  • Page 8 Socket 8 Socket 8 U. SCSI Socket 8 Socket 8 U. SCSI...
  • Page 9 Step 2. Install Pentium Pro CPU Cooler Hook the CPU Cooler’s metal latch one side to the CPU socket’s peg, then press the metal latch again to fit into another side. Warning: Care must be taken when the CPU Cooler was installed, if not a suitable force might scrach this motherboard while you install the cooler.
  • Page 10 Step 3. Adjust the CPU frequency With the special patented design on this motherboard. Only one jumper needed to set this Pentium Pro CPU frequency. Simply insert the jumper cap to the CPU frequency as it was marked on top of the Pentium Pro CPU.Once the jumper cap was inserted, it will automatically caculate the Internal/ External Clock and CLKMUL (Clock Multiplier).
  • Page 11 Drive …etc. With this motherboard package, there are 34, 40, 50 and 68 pin flat cable. Use these cables to connect the motherboard and internal devices. All flat cable’s connector housing have the key protect, this will guide you the correct direction when you insert. Step 6.
  • Page 12 Step 8. Install the Reset switch Most computer chassis provides a reset switch to front pannel control. Use the chassis provides a 2 pin housing and connect to this reset switch(any direction can function this). This will provides the system a hardware reset once the system was hang. Step 9.
  • Page 13 This SCSI motherboard provides the ATX type of power input. Plug ATX power provides one set 20 pin cable for motherboard’s power input. Once the ATX was placed on this system, the JP15 (front panel power on/off switch) is necessory to be connected.
  • Page 14 Keep this for your future need. 1.1 Featuress This DP6NS SCSI Motherboard is the newest ATX form factor based member to our SCSI Motherboard families. It incorporated with Intel new generation 82440FX Chipset with I/O Advanced Programmable Interrupt Controller that supports for Dual Intel Pentim Pro Processor and Adaptec new PCI Ultra and Ultra Wide SCSI using Adaptec AIC-7880 which is equivlent to AHA-2940UW .
  • Page 15 Ultra Wide SCSI interface: ◼  DP6NS uses Adaptec AIC-7880 chips that support both Ultra and Ultra Wide SCSI which is equilevent to Adaptec AHA- 2940UW PCI SCSI controller. The data transfer rate up to 20MB/Sec. while using Ultra SCSI and can up to 40MB/Sec.

  • Page 16: Expansion Slots

    ◼ Expansion slots: 4 X 16-bits ISA slots, 4 X 32-bits PCI slots and 1 X RAIDBUS slot. (PCI Rev 2.1) ◼ IDE functions :  Built in dual PCI Bus EIDE Channels.  Support ATAPI (AT Attachment Packet Interface) ◼...
  • Page 17 1.2 Specifications ◼ Physical Dimensions: Length: 305mm / Width: 265mm ◼ Environmental Requirements: Temperature 0-55 degrees C (operating or storage) 5% to 95% non-condensing relative humidity...
  • Page 18 HAPTER 2 Quick Installation This SCSI Motherboard is shipped with manufacture preset at : CPU Clock at 200 MHz Adaptec SCSI Chip Enabled Auto SCSI Terminator Enabled Printer ECP Mode at DMA3 Printer at IRQ7 , Address at 378h Serial 1 at IRQ4, Serial 2 at IRQ3 PS/2 MOUSE at IRQ 12 Reference to the Chapter 3 &...

  • Page 19: Hardware Installation

    Hardware Installation 3.1 Preparation and Inspection This DP6NS SCSI Motherboard, like all electronic equipment is static sensitive. Please take the proper precautions when handling this board. You should avoid static up. If possible, You should ground yourself by touching a metal table or your computer frame.
  • Page 20 3.2 Placement SIMM Socket 8 RAID P. IDE S. IDE Socket 8 BIOS W. SCSI JP15 P. Control U. SCSI Figure 1 : Placement for DP6NS...
  • Page 21 Socket 8 JP11 Socket 8 JP23 Figure 3 : Jumpers for DP6NS...

  • Page 22: Cpu Group

    3.3 CPU group 3.3.1 CPU Socket 8 There are two 387 Pin socket 8 available for single / dual Pentium Pro Processors. When installing the Pentium Pro CPU into the Zero Insertion Force ( ZIF ) socket 8 should be very carefully. Lift the handle bar of this 387 Pin ZIF socket up carefully and insert the CPU into ZIF socket 8.
  • Page 23 jumper cap need to put on this connector for selecting the CPU clock. Simply insert the colored yellow jumper cap to the speed of the Pentium Pro Processor really is (the CPU internal/external clock ratio and ISA clock will be automatically selected by setup the JP7) Socket 8 Socket 8...

  • Page 24: D-Ram Configuration

    In Line Memory Module) into three banks. NOTE: 1. DP6NS support both either Fast Page Mode ( FPM ) DRAM or EDO DRAM SIMMs,but they cannot be mixed within the same memory bank. 2. The 60ns Fast Page Mode or 60 ns EDO DRAM is recommended.
  • Page 25 4M x 2 4M x 2 8M x 2 4M x 2 8M x 2 8M x 2 4M x 2 8M x 2 16M x 2 4M x 2 16M x 2 16M x 2 4M x 2 32M x 2 4M x 2 16M x 2 32M x 2...

  • Page 26: Scsi Interface

    3.5 SCSI Interface SCSI (Small Computer System Interface) is one of the standard interface controller. The higher level syetm always control most its peripherals in one singles controller like HDD, CD-ROM, Scanner, Tape Drive, CD-R…etc. For using the Multi-Tasking Protocol can drive several devices to work in the same time and this can increase the peripherals performance.
  • Page 27 3.5.2 Link Internal Ultra & Ultra Wide SCSI devices The SCSI devices are cabled together in a single, connected series. This SCSI cable must run sequentially from one device to the next, with no branches. Note: The 50 pin SCSI is an 8 bit SCSI bus, the 68 pin SCSI is a 16 bit SCSI bus which has a pin-to- pin connected to the 50 pins SCSI connector.
  • Page 28 *Reference to Chapter 5. SCSI Select Utility for software setup. 3.5.4 Set SCSI IDs You must assign a different SCSI ID to each device on the SCSI bus connected to this motherboard. See your SCSI device documentation for directions on how to determine the ID and change it. ◼...
  • Page 29 3.5.5 SCSI Chip Select JP4 is a 3 pin jumper connector. Function Note Enabled *Default Disabled 3.5.6 Auto SCSI Terminator Control Select JP23 is a 3 pin jumper connector. JP23 Function JP23 Note Enabled Auto SCSI Terminator Control *Default Disabled Auto SCSI Terminator Control...
  • Page 30 3.5.7 SCSI LED Socket 8 Socket 8 U. SCSI A 2 pins SCSI device detect LED connector.

  • Page 31: Ide Interface

    3.6 RAIDBUS slot 3.6.1 SCSI RAIDPort Turn this SCSI embedded motherboard to be hardware assist RAID ready by adding the RAIDBUS 1130 adapter. This RAIDBUS slot by adding the RAIDBUS 1130 adapter can support : ◼ Bus Master DMA ◼ Up to 133 Mbyte/Sec Burst rate ◼...
  • Page 32 Socket 8 Socket 8 U. SCSI 3.7.2 IDE LED Socket 8 Socket 8 U. SCSI A 2 pins IDE detect LED connector. 3.8 USB (Universal Serial Bus) Basically the USB is suitable for middle low speed devices like Mouse, Keyboard, Joystick..etc. In before, all these were using different connectors, and it is complicated for end user in installing the system.
  • Page 33 Socket 8 Socket 8 U. SCSI...
  • Page 34 3.9 Enhanced Multi-IO 3.9.1 FDC Connector The IBM compatible floppy disk drive has 360KB, 720KB, 1.2KB, 1.44KB and 2.88KB. The most popular is 1.44MB in 3.5 inch. There is also one kind of 2.88MB FDD is using on the Japan NEC PC98 series computer.
  • Page 35 printer Port Address and IRQ Select by BIOS (378h/3BC with IRQ7, 278h with IRQ5.) Printer and IEEE 1284 cable The IEEE 1284 compliant cables have better features on the following: Twisted pairs of conductors Full foil shield Wire braid Controlled impedance -- 62 ohm Limited cross-walk With these features will guarantee the IEEE 1284 cable perform at much higher bandwidth rates that the fast Centronics, EPP and ECP...
  • Page 36 3.10 Others 3.10.1 Keyboard Connector The keyboard connector is a 5-pin, circular-type Mini-DIN socket. It is used to connect this SCSImotherboard keyboard interface to any standard AT-compatible keyboard (84 or 101key type keyboards). The pin assignment are as follows: 3.10.2 Power Supply Connector There are two types of power connector provided by this SCSI motherboard.
  • Page 37 Note : This mainbaord has no Turbo function, it will not support Turbo switch. The Power LED will light-on when you connect a computer case that mounted Turbo LED and power on this system. 3.10.4 Flash EPROM Jumper Setting ( Manufacture reserve ) Supports flash EPROM (ROM data can be changed on -board, without change/ replace the ROM chip) Socket 8...
  • Page 38 3.10.5 PS/2 Mouse Socket 8 Socket 8 PS/2 Mosuse is a 6 pin Mini-DIN PS/2 mouse connector, the manufacture default is IRQ12.

  • Page 39: Atx Form-Factor Overview

    HAPTER 4 ATX Form-Factor Overview The DP6NS has been designed with ATX form-factor. The board size is 12" x 10.4" (305mm x 265mm). The ATX form -factor improves over Baby AT and LPX in a number of ways. By using the ATX chassis then the power supply...
  • Page 40 The system power ON/OFF button should be a momentary Switch or toggle switch. The DP6NS has been designed with "soft off" functions. You can turn OFF the system from one of two sources: One is the front panel power ON/OFF switch, and the other is "Soft off"...
  • Page 41 ATX Power Supply Connector : Socket 7 Single Name Single Name 3.3V 3.3V -12.0V 3.3V PS-ON 5.0V 5.0V -5.0V PW-OK 5.0V 5VSB 5.0V 12.0V...

  • Page 42: Award Bios Setup

    HAPTER 5 Award BIOS Setup Notice The information in this manual is subject to change without notice. The software described in this guide is furnished under a license agreement and may be used or copied only in accordance with the terms of the agreement . Award Software, Inc.

  • Page 43: Starting Setup

    Starting Setup The Award BIOS is immediately activated when you first power on the computer. The BIOS reads the system information contained in the CMOS and begins the process of checking out the system and configuring it. When it finishes, the BIOS will seek an operating system on one of the disks and then launch and turn control over to the operating system.

  • Page 44: Getting Help

    F1 key General help, only for Status Page Setup Menu and Option Page Setup Menu (Shift)F2 key Change color from total 16 colors. F2 to select color forward , (Shift) F2 to select color backward F3 key Calendar, only for Status Page Setup Menu F4 key Reserved F5 key...

  • Page 45: Setup Items

    5.1 Main Menu Once you enter the Award BIOS CMOS Setup Utility, the Main Menu will appear on the screen. The Main Menu allows you to select from several setup functions and two exit choices. Use the arrow keys to select among the items and press <Enter>...
  • Page 46 Super / User Password Setting Change, set, or disable password. It allows you to limit access to the system and Setup, or just to Setup. Chipset Features Setup This setup page includes all the items of chipset special features. Power Management Setup This entry only appears if your system supports Power Management, screen PC”, standards.
  • Page 47 PNP / PCI Configuration Setup This entry appears if your system supports PNP / PCI. Integrated Peripherals This section page includes all the items of IDE hard drive and Programmed Input / Output features. Load Setup Defaults The chipset defaults are settings which provide for maximum system performance.
  • Page 48 Automatically detect and configure hard disk parameters. The Award BIOS includes this ability in the event you are uncertain of your hard disk parameters. HDD Low Level Format If supported by your system, this provides a hard disk low level format utility. IDE HDD Auto Detection Save &...

  • Page 49: Standard Cmos Setup

    5.2 Standard CMOS Setup The items in Standard CMOS Setup Menu are divided into 10 categories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the <PgUp> or <PgDn> keys to select the value you want in each item.
  • Page 50 ROM PCI/ISA BIOS (XXXXXXXX) STANDARD CMOS SETUP AWARD SOFTWARE, INC. Date (mm:dd:yy) Fri, Nov 1996 Time (hh:mm:ss) 11:15:7 HARD DISKS TYPE SIZE CYLS HEAD PRECOMP LANDZ SECTOR SECTOR Primary Master Auto Auto Primary Slave Auto Auto Secondary Master Auto Auto Auto Auto Secondary Slave...
  • Page 51 Daylight saving The category adds one hour to the clock when daylight-saving time begins. It also subtracts one hour when standard time returns. Enabled Enable daylight-saving Disabled Disable daylight-saving Primary Master/ Primary Slave/ Secondary Master/ Secondary Slave The categories identify the types of 2 channels that have been installed in the computer.
  • Page 52 If a hard disk has not been installed Select NONE and Drive A Type / Drive B press <Enter>. Type The category identifies the types of floppy disk drive A or drive B that have been installed in the computer. None No floppy drive installed 360K, 5.25 in...
  • Page 53 No errors Whenever the BIOS detects a non-fatal error the system will be stopped and you will be prompted. All errors The system boot will not be stopped for any error that may be detected. All, The system boot will not stop for a keyboard error; it will But Keyboard stop for all other errors.

  • Page 54: Bios Features Setup

    5.3 BIOS Features Setup This section allows you to configure your system for basic operation. You have the opportunity to select the system default speed, boot -up sequence, keyboard operation, shadowing and security. ROM PCI/ISA BIOS (XXXXXXXX) BIOS FEATURES SETUP AWARD SOFTWARE, INC.
  • Page 55 NOTE: Many disk diagnostic programs which attempt to access the boot sector table can cause the above warning message. If you will be running such a program, we recommend that you first disable Virus Protection beforehand. CPU Internal Cache/ External Cache These two categories speed up memory access.
  • Page 56 Boot Up Floppy Seek During POST, BIOS will determine if the floppy disk drive installed is 40 or 80 tracks. 360K type is 40 tracks while 760K, 1.2M and 1.44M are all 80 tracks. Enabled BIOS searches for floppy disk drive to determine if it is 40 or 80 tracks.
  • Page 57 Normal keyboard Fast chipset Typematic Rate Setting This determines if the typematic rate is to be used. When disabled, continually holding down a key on your keyboard will generate only one instance. In oth er words, the BIOS will only report that the key is down. When the typematic rate is enabled, the BIOS will report as before, but it will then wait a moment, and, if the key is still down, it will begin the report that the key has been depressed repeatedly.
  • Page 58 System The system will not boot and access to Setup will be denied if the correct password is not entered at the prompt. Setup The system will boot, but access to Setup will be denied if the correct password is not entered at the prompt. Note: To disable security, select PASSWORD SETTING at Main Menu and then you will be asked to enter password.

  • Page 59: Chipset Features Setup

    These categories determine whether option ROMs C8000 - CBFFF DC000 will be copied to RAM. An example of such - DFFFF option ROM would be support of on-board SCSI. Enabled Optional shadow is enabled Disabled Optional shadow is disabled 5.4 Chipset Features Setup ROM PCI/ISA BIOS (XXXXXXXX) CHIPSET FEATURES SETUP AWARD SOFTWARE, INC.
  • Page 60 DRAM Settings The first chipset settings deal with CPU access to dynamic random access memory (DRAM). The default timings have been carefully chosen and should only be altered if data is being lost. Such a scenario might well occur if your system had mixed speed DRAM chips installed so that greater delays may be required to preserve the integrity of the data held in the slower memory chips.
  • Page 61 DRAM R/W Leadoff Timing This sets the number of CPU clocks allowed before reads and writes to DRAM are performed. Seven clocks leadoff for reads and six clocks leadoff for writes. Six clocks leadoff for reads and five clocks leadoff for writes. 7/6 Leadoff timing is the default.
  • Page 62 DRAM Write Burst Timing This sets the timing for burst mode writes from DRAM. Burst read and write requests are generated by the CPU in four separate parts. The first part provides the location within the DRAM where the read or write is to take place while the remaining three parts provide the actual data.

  • Page 63: Cache Features

    Turn-Around Insertion When this is enabled, the chipset will insert one extra clock to the turn -around of back-to-back DRAM cycles. Disabled is the default. ISA Clock This item allows you to select the PCI clock type. PCI CLK/3 PCI clock type PCI CLK/4 PCI clock type Cache Features...
  • Page 64 PCI and IDE Configuration Bit I/O Recovery Time The recovery time is the length of time, measured in CPU clocks, which the system will delay after the completion of an input/output request. This delay takes place because the CPU is operating so much faster than the input/output bus that the CPU must be delayed to allow for the completion of the I/O.
  • Page 65 Chipset Special Features When disabled, the chipset behaves as if it were the earlier DRAM ECC/PARITY Select This item allows you to select between two methods of DRAM error checking, ECC and Parity (default). Memory Parity / ECC Check This item allows you to select between three methods of memory error checking, Auto, Enabled and Disabled Single Bit Error Report When a single bit error is detected, the offending DRAM row ID is latched .

  • Page 66: Power Management Setup

    This item allows you to select two timing of Pipeline Cache Timing pipeline ster and Fastest. 5.5 Power Management Setup The Power Management Setup allows you to configure you system to most effectively save energy while operating in a manner consistent with your own style of computer use.
  • Page 67 Disable (default) No power management. Disables all four modes Min. Power Saving Minimum power management. Doze Mode = 1 hr. Standby Mode = 1 hr., Suspend Mode = 1 hr., and HDD Power Down = 15 min. Max. Power Saving Maximum power management -- ONLY AVAILABLE FOR SL CPU.

  • Page 68: Hdd Power Down

    When enabled and after the set time of system inactivity, the CPU clock will run at slower speed while all other devices still operate at full speed. Standby Mode When enabled and after the set time of system inactivity, the fixed disk drive and the video would be shut off while all other devices still operate at full speed.
  • Page 69 • IRQ3 (COM 2 ) • IRQ4 (COM 1) • IRQ5 (LPT 2) • IRQ6 (Floppy Disk) • IRQ7 (LPT 1) • IRQ8 (RTC Alarm) • IRQ9 (IRQ2 Redir) • IRQ10 (Reserved) • IRQ11 (Reserved) • IRQ12 (Reserved) • IRQ13 (Coprocessor) •...

  • Page 70: Pnp/Pci Configuration Setup

    5.6 PnP/ PCI Configuration Setup This section describes configuring the PCI bus system. PCI, or Personal Computer Interconnect, is a system which allows I/O devices to operate at speeds nearing the speed the CPU itself uses when communicating with its own special components.
  • Page 71 This item allows you to determine reset the configuration data or not. Reset Configuration Choices are Enabled and Disabled (default). Data IRQ3/4/5/7/9/10/11/12/1 4/15, DMA0/1/3/5/6/7 This item allows you to determine the IRQ / DMA assigned to assigned to the ISA bus and is not available to any PCI slot.
  • Page 72 Remember that this setting refers to the hard disk drive itself, rather than individual partitions. Since each IDE controller supports two separate hard drives, you can select the INT# for each. Again, you will note that the primary has a lower interrupt than the secondary as described in lot x Using INT#”...

  • Page 73: Integrated Peripherals

    5.7 Integrated Peripherals ROM PCI/ISA BIOS (XXXXXXXX) INTEGRATED PERIPHERALS AWARD SOFTWARE, INC. IDE HDD Block Mode Enabled USB Controller Disabled IDE Primary Master PIO Auto IDE Primary Slave PIO Auto IDE Secondary Master PIO Auto IDE Secondary Slave PIO Auto On-Chip Primary PCI IDE Enabled On-Chip Secondary PCI IDE...
  • Page 74 configuration used to attach them to the controller. Your system supports two IDE controllers--a primary and a secondary--so you have to ability to install up to four separate hard disks. PIO means Programmed Input/ Output. Rather than have the BIOS issue a series of commands to effect a transfer to or from the disk drive, PIO allows the BIOS to tell the controller what it wants and then let the controller and the CPU perform the complete task by themselves.
  • Page 75 5.8 LOAD SETUP DEFAULTS The chipset defaults are settings which provide for maximum system performance. While Award has designed the custom BIOS to maximize performance, the manufacturer has the right to change these defaults to meet their needs.

  • Page 76: Supervisor/User Password Setting

    5.9 Supervisor/User Password Setting You can set either supervisor or user password, or both of them. The differences between are: supervisor password : can enter and change the options of the setup menus. user password : just can enter but do not have the right to change the options of the setup menus.
  • Page 77 When a password has been enabled, you will be prompted to enter it every time you try to enter Setup. This prevents an unauthorized person from changing any part of your system configuration. Additionally, when a password is enabled, you can also require the BIOS to request a password every time your system is rebooted.

  • Page 78: When To Use The Scsiselect Utility

    HAPTER 6 SCSI BIOS Setup Like the system BIOS, the SCSI BIOS is responsible for management/ control the SCSI hardware parameters setting. These paramenters include the SCSI ID, Terminator setting, and SCSI devices behavior pattern on the SCSI system. During system power on or warm reset the SCSI BIOS will scan all SCSI devices that connect to the SCSI bus and according to each setting default perform its behavior pattern.

  • Page 79: Scsiselect Utility Options

    To start SCSI Select, press Ctrl + A when the BIOS banner first appears on the screen. Note: If you only connect a non-bootable device, this BIOS can not be installed. 6.2 SCSISelect Utility Options After you press Ctrl + A then it will displays the Options menu as below. Adaptec AIC-78xx <...

  • Page 80: Configure/View Host Adapter Settings

    This option allows you to change the host adapter SCSI ID. There are 15 available IDs for the DP6NS. The default is ID 7 , which has the highest priority on the SCSI bus. ( We recommend that you not to change this setting ).
  • Page 81 ⚫ If you install more than one SCSI host adapter in the computer, each board has its own SCSI bus. This means devices can have duplicate SCSI IDs, as long as they are not on the same SCSI bus (e.g. each SCSI bus can have a device with SCSI ID 0 , ets.).

  • Page 82: Initiate Sync Negotiation

    6.3.4 Boot Device Configuration This option allows you to choose which SCSI ID device has the Boot right for system O.S. 6.3.5 SCSI Device Configuration This option allows you to configure certain parameters of each SCSI device on the SCSI bus. ...

  • Page 83: Send Start Unit Command

    bus performance. If only one SCSI device is connected to SCSI port , set Enable Disconnection to no to achieve slightly better performance. ◼ Send Start Unit Command This option , which is supported by some SCSI devices, determines whether the Start Unit Command (SCSI command 1B) is sent to the SCSI device (most devices do not require this ).
  • Page 84 The host adapter BIOS must be enabled if you want the computer to boot from a SCSI hard disk drive connected to the host adapter . Several SCSISelect options cannot be used unless the SCSI BIOS is enabled . ⚫ Support Removable Disk Under BIOS as Fixed Disks This option allows you to control which removable - media drives are supported by the SCSI BIOS .

  • Page 85: Scsi Disk Utilities

    ◼ Support for Ultra SCSI speed Enabled the Ultra SCSI functin by change this option. The maximum Data Transfer Rate of this SCSI Bus is 20MB/Sec. For support this function, check your SCSI device vendor to make sure your SCSI device support the Ultra function.
  • Page 86 The Verify Disk Media utility scans the selected device's media for defects . If the utility finds bad blocks , it prompts you to reassign them ; if you select yes, those blocks will no longer be used. Note: You can press Esc at any time to abort the Verity Disk Media utility.

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