User manual TYAN TITAN TURBO AT-2

[. . . ] Technical Support Should a problem arise with your system, you should first turn to your reseller. Your system has most likely been configured by them, and so they should have the best idea of what is in your system. Hence, they should be able to help you the most. Further, if you purchased your system from a dealer nearby, you can actually bring your system to them to have it serviced instead of fiddling with it yourself. [. . . ] It should be noted that this test is quicker because it skips some steps of the full POST. w Boot Sequence This category determines which drive the computer searches first for the disk operating system (i. e. DOS). A, C C, A System will first search for floppy disk drive, then hard disk drive. System will first search for hard disk drive, then floppy disk drive. wSwap Floppy Drive If you have two floppy drives, you can choose to designate the physical A drive as the logical B drive, and vice versa. Enabled Floppy A and B will be swapped. Disabled Floppy A and B will be defined normally. S1571 D1181-001 http://www. tyan. com 28 BIOS Configuration w Boot Up Floppy Seek During POST, the BIOS will determine if the floppy disk drive installed is 40 or 80 tracks. The 360KB type is 40 tracks, while the 720KB, 1. 2MB, and 1. 44MB types are all 80 tracks. Enabled BIOS searches for floppy disk drive to determine if it is 40 or 80 tracks. Note that the BIOS cannot distinguish between 720KB, 1. 2MB, and 1. 44MB drive types, as they are all 80 tracks. Disabled BIOS will not search for the type of floppy disk drive by track number. Note that there will not be any warning messages if the drive installed is 360KB. w Boot Up NumLock Status Determines whether or not NumLock is active when the system boots. On Off Number keys are active on keypad. Arrow keys are active on keypad. w Boot Up System Speed Select High to boot at the default CPU speed; select Low to boot at the speed of the AT bus. If you are using old software­or certain add-in peripherals­you may need to use the slower CPU speed. wTypematic Rate Setting, Typematic Rate (char/sec), and Typematic Delay. The Typematic Rate Setting option enables or disables the Typematic Rate and Typematic Rate Delay options. TheTypematic Rate (6, 8, 10, 12, 15, 20, 24, or 30 characters per second) and Typematic Rate Delay (250, 500, 750, or 1000 milliseconds) control the speed at which a keystroke is repeated. Typematic Rate Delay controls the gap between key compression and the appearance of the character on-screen. The character is then printed repeatedly at the speed set by the Typematic Rate. S1571 D1181-001 http://www. tyan. com 29 BIOS Configuration w Security Option This option allows you to select whether a password (if you have one) is required each time the system boots, or only when you enter Setup. 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. w PS/2 Mouse Enables or disables the PS/2 mouse resources. w PCI/VGA Palette Snoop Leave this field at Disabled. w Shadow This function allows BIOS to "shadow" firmware, that is, copy it from ROM into the system RAM. Once there, it can be read through the 16bit or 32-bit DRAM bus by the CPU. Firmware that is not shadowed is read through the 8-bit X-bus. Shadowing improves the performance of the system BIOS and similar ROM firmware for expansion peripherals, but reduces the amount of high memory (see page 26) available for loading device drivers. [. . . ] Initialize floppy disk drive controller and any drives. Initialize hard drive controller and any drives. Initialize any serial and parallel ports (also game port). Initialize math coprocessor. Initialize Floppy Drive & Controller 42 Initialize Hard Drive & Controller 43 Detect & Initialize Serial/ Parallel Ports 44 Reserved 45 Detect & Initialize Math Coprocessor 46-47 Reserved 48-4D Reserved 4E Manufacturing POST Loop or Display Messages. 4F 50 51 52 Security Check Write CMOS Pre-boot Enable Initialize Option ROMs 53 60 61 62 63 B0 B1 Initialize Time Value Setup Virus Protect Set Boot Speed Setup NumLock Boot Attempt Spurious Unclaimed NMI E1-EF Setup Pages FF Boot S1571 D1181-001 http://www. tyan. com Reboot if Manufacturing POST Loop pin is set. [. . . ]