Albatron Technology PX845PEV-800 manual Advanced Chipset Features

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Albatron Anniversary Special Edition PX845PEV-800

Advanced Chipset Features

DRAM Timing Selectable

This item determines DRAM clock/ timing using SPD or manual configuration. Make sure your memory module has SPD (Serial Presence Data), if you want to select the <By SPD> option. Options: Manual, By SPD (default).

CAS Latency Time

This item determines CAS Latency. When synchronous DRAM is installed, the number of clock cycles of CAS latency depends on the DRAM timing. Do not reset this field from the default value specified by the system designer. Options: 1.5,2,2.5 and By SPD (default).

Active to Precharge Delay

This item allows you to select DRAM Active to Precharge Delay. Options: 7, 6, 5, By SPD (default).

DRAM RAS# to CAS# Delay

This item allows you to select a delay time between the CAS and RAS strobe signals. It only applies when DRAM is written to, read from, or refreshed. Options: 3,2 and default is by SPD.

DRAM RAS# Precharge

This item allows you to select the DRAM RAS# precharge time. The ROW address strobe must precharge again before DRAM is refreshed. An inadequate configuration may result in incomplete data. Options: 3,2 and By SPD (default).

Refresh Mode Select

Select the refresh mode. Options: 15.6 us, 7.8 us, 64 us, Auto (default).

System BIOS Cacheable

When enabled, accesses to system BIOS ROM addressed at F0000H-FFFFFH are cached, provided that the cache controller is enabled. Options: Enabled (default), Disabled.

Video BIOS Cacheable

Select “Enabled” to allow caching of the video BIOS which may improve performance. If any other program writes to this memory area, a system error may result. Options: Enabled, Disabled (default).

Memory Hole at 15M-16M

When enabled, you can reserve an area of system memory for ISA adapter ROM. When this area is reserved, it cannot be cached. Refer to the user documentation of the peripheral you are installing for more information. Options: Disabled (default), Enabled.

Delayed Transaction

The chipset has an embedded 32-bit posted write buffer to support delay transaction cycles. Select “Enabled” to support compliance with PCI specifications. Options: Disabled, Enabled (default).

Delay Prior to Thermal

Select the delay time before thermal activation from high temperatures.

Options: 4 Min, 8 Min, 16 Min (default), 32 Min.

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Contents Albatron PX845PEV-800 Copyright Contents Introduction Getting StartedCPU SpecificationsLAN Bios Function Content Location Quick Content TableConfiguration Subject Hardware InstallationCPU Socket 478 Configuration Steps CPU Processor InstallationFAN Headers Frequency / Voltage ControlFormulas Watch Dog TimerRAM Module Installation Memory InstallationDIMM1 DIMM2 DIMM3 Memory installation notePS/2 Mouse & PS/2 Keyboard Connectors KB/MS Back Panel ConfigurationUSB & LAN Connectors USB/LAN Serial Interface COM1/ COM2 Serial and Parallel Interface PortsParallel Interface Port PRT Front Panel Indicator SW/LED Connector ConfigurationIrDA Infrared Connector Speaker Speaker ConnectorIDE2 Secondary IDE Connector Floppy Disk Connector FDCHard Disk Connectors IDE1/ IDE2 IDE1 Primary IDE ConnectorUSB Bracket 2 Ports or 4 Ports Case Open Warning connector Case OpenHeaders & Jumpers Front USB Headers USB2 / USB3JP1 Clear Cmos Jumper JP1AGP Accelerated Graphics Port Slot SlotsPCI Peripheral Component Interconnect Slots ATX Power Connector ATX12V & Atxpwr Power Supply AttachmentsBios Setup Key Function Supported CPUsMain Menu Main Menu Setup Configuration Options Boot Up Floppy Seek Advanced Bios FeaturesFirst /Second/Third/ Boot Device Boot Other DeviceTypematic Delay Msec Quick Power On Self TestBoot Up NumLock Status Typematic Rate SettingAdvanced Chipset Features PnP/PCI Configurations Frequency/Voltage Control IDE Primary/Secondary/Master/Slave PIO Integrated PeripheralsIntel OnChip IDE Device On-Chip Primary/Secondary PCI IDEIntel OnChip PCI Device Onboard I/O Chip SetupInit Display First Use IR Pins Uart Mode SelectIR Transmission Delay UR2 Duplex ModeAcpi Suspend Type Power ManagementRun Vgabios if S3 Resume Power ManagementVideo Off In Suspend Suspend ModeHDD Power Down Video Off MethodUSB KB Wake-up From S3 Date of Month AlarmTime hh mm ss Alarm Reload Global Timer EventsCase Open Warning Hardware MonitorLoad Cmos From Bios Load DefaultsLoad System Default Settings Load System Turbo SettingsExit Menu Save & Exit SetupExit Without Saving Software Installation Software SetupSoftware List Problem TroubleshootingProblem Problem Appendix I: SpecificationHardward installation Software InstallationAppendix II: Albatron USA Inc Appendix III: