Intel 281786-002 manual Administrative and User Access Modes, Security Screen Options

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available. If an interrupt is available, the PCI auto-configuration code can assign the interrupt to be used by the system. If your system contains an ISA agent that uses one of these interrupts, select Used By ISA Card for that interrupt.

Some of these interrupts may not be displayed if they already have been assigned to other peripherals, such as IRQ 3 and IRQ 4, which are normally used by the serial ports, and IRQ 7 for the parallel port, and IRQ12 for the mouse port.

Note: One IRQ is required for PCI devices. When selecting IRQs for use by ISA the BIOS will not allow you to select all IRQs as used by ISA.

Note: IRQ 14 and IRQ 15 will not show up on the list of available IRQs, even when the on board IDE controllers are disabled. If the on board IDE controllers are not used, these IRQs may be used for ISA cards, even though they do not show up on the menu. These interrupts will not be used by PCI devices other than the IDE controllers, as they must remain available for bootable devices.

SECURITY SCREEN

This section describes the two access modes that can be set using the options found on the Security screen, and then describes the Security screen options themselves.

ADMINISTRATIVE AND USER ACCESS MODES

The options on the Security screen menu make it possible to restrict access to the Setup program by allowing you to set passwords for two different access modes: Administrative mode and User mode.

In general, Administrative mode has full access to the Setup options, whereas User mode has restricted access to the options. Thus, by setting separate Administrative and User passwords, a system administrator can limit who can change critical Setup values. The actual limitations depend on whether either the Administrative or User passwords or both are set.

If you want to limit access to who can boot the system, you must set the User password. This is the password that the system will ask for before booting. If only the Administrative password is set, the system will boot up without asking for a password. If both passwords are set, you can enter either password to boot the system.

This table shows the effects of setting the Administrative and User passwords. (The table is for reference only, and is not shown on the Security screen.) In the table, the statement “Can change a limited number of options” means you can change the system date and time, the User password, and the security hot key.

Password Set

Administrative mode can:

User mode can:

Pswd Required at Boot

Neither

Change all options*

Change all options*

None

Administrative only

Change all options

Change a limited number of options

None

User only

N/A

Change all options

User

Both

Change all options

Change a limited number of options

Administrative or User

 

Table

G-1. Password Settings

 

 

* If no password is set, any user can change all Setup options.

 

SECURITY SCREEN OPTIONS

User Password is

This reports if there is a User password set. This is informational only, and there are no options.

Administrative Password is

This reports if there is an Administrative password set. This is informational only, and there are no options.

Set User Password

When selected, this brings up a dialog box that allows you to set the User password.

Advanced/ZP Technical Product Summary ∙Page 31

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Contents Advanced/ZP Baby-AT Board Table of Contents ADVANCED/ZP Form Factor IntroductionJUMPERS/SWITCHES Baseboard DimensionsMounting Hole Placement Front Panel ConnectorsSecond Level Cache Board Level FeaturesPerformance Upgrade CPUPCI 3.3 Volt Capabilities System MemoryEDO Dram Expansion Slots82371FB PCI ISA/IDE Accelerator Piix Peripheral Component Interconnect PCI Pciset82437FX Triton System Controller TSC 82438FX Triton Data Path TDPKeyboard Interface Real Time CLOCK, Cmos RAM and BatteryIDE Support National Semiconductor 87306 Super I/O ControllerFlash Implementation System BiosBios Upgrades Irda Infrared SupportISA Plug & Play Setup UtilityPCI AUTO-CONFIGURATION Power ManagementConnectors Security FeaturesBack Panel Connections Power ConsumptionConnections Watts CurrentRTC Battery Appendix a − User-Installable UpgradesSimm 1,2 Bank Simm 3,4 Bank Total System Memory Appendix B − Jumpers and Switches ISA BUS Speed Switch Processor Voltage Regulation SwitchRecovery Boot Enable J1K1 PCI Configuration Space MAP Appendix E − Interrupts & DMA Channels Appendix D − Memory MapPower Supply Connectors Primary Power J9J1 Appendix F − ConnectorsFront Panel Connectors − J2A1, J1B1 Parallel Port j9e1 AT Keyboard Connector J8k1FLoppy Connector j9c1 Serial Ports j7k1, j7k2ISA Connectors J1G1, J2G1, J2G2, J3G1 PCI Connectors J4G1, J5G1, J5G2 Main Screen Appendix G − Bios SetupOverview of the Setup Menu Screens Overview of the Setup KeysFloppy Options Submenu Hard Disk Configuration SubmenuNumber of Cylinders Initialization TimeoutIDE Translation Mode Multiple Sector SettingBoot Options Submenu Advanced Screen Peripheral Configuration SubmenuFloppy Interface Serial Port 2 IR ModeParallel Port Mode PCI IDE InterfacePower Management Configuration Advanced Chipset Configuration SubmenuPlug and Play Configuration Submenu Security Screen Administrative and User Access ModesSecurity Screen Options Exit Screen Using the Upgrade Utility Appendix H − Bios RecoveryRecovery Mode Error Messages Appendix I − Error messages and Beep CodesBeep Codes ISA NMI Messages Plug and Play Error MessagesAppendix K − Reliability Data Appendix J − Environmental Standards

281786-002 specifications

The Intel 281786-002 is a highly regarded microprocessor that was part of Intel’s extensive portfolio of technology solutions. Originally released in the mid-1990s, it is recognized for its robust performance and advanced features, which catered to the needs of both personal computing and embedded systems.

One of the standout features of the Intel 281786-002 is its architecture, which includes a 32-bit data bus. This architecture allows for efficient data processing and memory management. The processor is built on a 0.6-micron process technology, contributing to reduced power consumption while enhancing overall performance. The chip operates at various clock speeds, typically ranging around 25MHz to 50MHz, allowing it to suit different applications and user requirements.

The Intel 281786-002 also boasts a sophisticated instruction set that supports a wide range of operations. This multi-functionality ensures that it can efficiently handle complex computations and multitasking scenarios. Its ability to execute instructions in parallel paves the way for better performance when running multiple applications simultaneously.

In terms of memory support, the processor is designed to interface effectively with both SRAM and DRAM technologies, accommodating a vast range of memory configurations, thereby enhancing flexibility for system designers. It is also compatible with both 16-bit and 32-bit data buses, making it versatile enough for use in various computing environments.

Another notable aspect of the Intel 281786-002 is its integrated security features. These allow for better data protection and integrity, making it a viable choice for systems requiring enhanced security protocols.

Furthermore, the microprocessor's reliability and stability have made it a preferred choice for embedded applications, network devices, and industrial systems. Its proven track record in various computing environments underscores Intel's commitment to quality and performance.

Additionally, the Intel 281786-002 supports various operating systems, providing flexibility in deployment across different computing platforms. This compatibility ensures that users can leverage existing software ecosystems without extensive modifications.

In conclusion, the Intel 281786-002 microprocessor encapsulates an amalgamation of performance, efficiency, and versatility. With its advanced features and robust architecture, it has played a significant role in shaping computing technology, making it a noteworthy component in Intel’s legacy of innovation.
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