User manual TYAN TITAN III

[. . . ] Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. 1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. 2 Hardware Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. 3 Software Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1. 4 Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Board Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Default value is A, C. 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 w Swap Floppy Drive Default value is Disabled E n a b l e d Floppy A & B will be swapped under DOS D i s a b l e Floppy A & B will be normal definition. S1468-001-01 29 w Boot Up Floppy Seek During POST, the BIOS will determine if the floppy disk drive installed is 40 or 80 tracks. Default value is Enabled Enabled BIOS searches for floppy disk drive to determind if it is 40 or 80 tracks. Note that the BIOS cannot tell from 720k, 1. 2M or 1. 44M drive type 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 360K w Boot Up NumLock Status Default value is On On Off Keypad is number keys Keypad is arrow keys w Memory Parity Check The default value is disabled w Gate A20 Option Gate A20 controls the ability to access memory addresses above 1 MB by enabling (Fast) or disabling (Normal) access to the processor. Default value is Fast w Typematic Rate Setting, Typematic Rate (char/sec), and Typematic Delay. 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 the keystroke is repeated. The selected character is displayed when a key is held down after a delay set by the Typematic Rate Delay. It then repeats at a rate set by the Typematic Rate. S1468-001-01 30 w Security Option This category allows you to limit access to the system setup, or just setup. Default value is 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 password is not entered at the prompt w Video BIOS Shadow It determines whether Video BIOS will be copied to RAM, however, it is an optional chipset design. Default is Enabled. 4. 7 Chipset Features Setup This screen controls the settings for the board's chip set. The Chipset Features Screen ROM ISA BIOS CHIPSET SETUP UTILITY AWARD SOFTWARE, INC. DRAM DRAM DRAM DRAM DRAM RAS# Precharge Time R/W Leadoff Timing RAS to CAS Delay Read Burst Timing Write Burst Timing :4 :8/6 :3 :x2222 :x3333 :Enabled :Enabled :1 :1 :Disabled :Disabled :Auto :Auto :Auto :Auto :Enabled :Enabled :Enabled PCI Concurrency PCI Streaming PCI Bursting Onboard FDC Controller Onboard Serial Port 1 Onboard Serial Port 2 Onboard Parallel Port Parallel Port Mode :Enabled :Enabled :Enabled :Enabled :Com1 :Com2 :278H :EPP System BIOS Cacheable Video BIOS Cacheable 8 bit I/O Recovery Time 16 bit I/O Recovery Time Memory Hole at 15M/16M IDE Block Mode IDE Primary Master PIO IDE Primary Slave PIO IDE Secondary Master PIO IDE Secondary Slave PIO On-Chip Primary PCI IDE On-Chip Secondary PCI IDE PCI Slot IDE 2nd Channel ESC :Quit F1 F5 F6 F7 :Select Item :Help PU/PD/+/- :Modify :Old Values (Shift)F2 :Color :Load BIOS Defaults :Load Setup Defaults S1468-001-01 31 w Chipset Features The DRAM timings can be altered from the default to optimize system performance. Be aware though that these settings are sensitive to the type and speed of DRAMs being used and can cause lockups or data lost if set incorrectly. w DRAM RAS# Precharge Time DRAM must continually be refreshed or it will lose its data. Normally, DRAM is refreshed entirely as the result of a single request. This option allows you to determine the number of CPU clocks allocated for the Row Address Strobe to accumulate its charge before the DRAM is refreshed. If insufficient fime is allowed, refresh may be incomplete and data will be lost. w DRAM R/W Leadoff Timing This sets the number of CPU clocks allowed before reads and writes to DRAM are performed. The default of 8/6 would set the leadoff timing for reads to eight clocks and writes to six clocks. w DRAM RAS to CAS Delay When DRAM is refreshed, both rows and columns are addressed separately. This option allows you to determine the timing of the transition from Row Address Strobe (RAS) to Column Address Strobe(CAS). [. . . ] If it displays a warning message about the CPU mode, you will have to try again. S1468-001-01 54 Once you have satisfied the two requirements mentioned above, you can run FMW. You can copy the contents of the "Flash" directory to your hard drive, or you can run the utility from a backup of the support floppy disk. Make sure the new BIOS file is in the same directory as the FMW utility. To run FMW, change to the "Flash" directory if you are not already in it. [. . . ]