Chapter 3

BIOS Configuration

PCI1 to PCI0 Access

Set this option to Enabled to enable access between two different PCI buses (PCI1 and PCI0). The settings are Enabled or Disabled.

Method of Memory Detection

This option determines how your system will detect the type of system memory you have installed. Options are Auto+SPD or Auto only.

DRAM Refresh Rate

This option specifies the interval between refresh signals to DRAM system memory. The settings are 15.6 us (microseconds), 31.2 us, 62.4 us, 124.8 us, or 249.6 us.

Memory Hole

This option specifies the location of an area of memory that cannot be addressed on the ISA bus. The settings are Disabled, 512KB-640KB, or 15MB- 16MB.

SDRAM RAS# to CAS# Delay

This option specifies the length of the a inserted between the RAS and CAS signals of the DRAM system memory access cycle if SDRAM is installed. The settings are Auto, 2 SCLKs or 3 SCLKs. The Optimal default setting is Auto.

SDRAM RAS# Precharge

(CHANGE) This option specifies the length of the RAS precharge part of the DRAM system memory access cycle when SDRAM system memory is installed in this computer. The settings are Auto, 2 SCLKs, or 3 SCLKs.

Power Down SDRAM

If this option is set to Enabled, the SDRAM Power Down feature is enabled. The settings are Enabled or Disabled.

ACPI Control Register

Set this option to Enabled to enable the ACPI (Advanced Configuration and Power Interface) control register. The settings are Enabled or Disabled. The Optimal and Fail-safe default settings are Enabled.

Gated Clock

Set this option to Enabled to enable the gated clock. The settings are Enabled or Disabled.

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Tyan Computer Trinity 371 Motherboard PCI1 to PCI0 Access, Method of Memory Detection, Dram Refresh Rate, Memory Hole
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Tyan S1857, Trinity 371 Motherboard specifications

The Tyan Computer Trinity 371 motherboard, also known as the Tyan S1857, is a versatile and reliable choice for various computing needs. Designed primarily for the industrial and server markets, this motherboard is known for its robust build quality and extensive feature set that supports a wide range of applications.

One of the standout features of the Tyan S1857 is its support for AMD processors, specifically the Socket A (462) interface. This compatibility allows users to utilize a variety of AMD CPUs, including the Athlon and Duron series, ensuring that the motherboard can accommodate different performance requirements. The motherboard supports a maximum of 1.5GB of DDR SDRAM, enhancing its ability to handle memory-intensive applications and multitasking operations efficiently.

Additionally, the Tyan Trinity 371 offers integrated VIA Apollo KT133A chipsets, which provide reliable performance and optimized speed for both desktop and server environments. The motherboard supports a 100MHz Front Side Bus (FSB), ensuring high data transfer rates and improved overall system performance. The inclusion of five PCI slots permits the addition of various expansion cards, such as graphics cards, network cards, and additional storage controllers, enhancing the system’s versatility.

From a storage perspective, the Tyan S1857 features a standard IDE controller that supports up to four IDE devices. This includes the ability to connect multiple hard drives and optical drives, providing ample storage options for user needs. The motherboard also supports RAID configurations, which can enhance data redundancy and performance for server applications.

On the connectivity front, the Tyan Trinity 371 incorporates a variety of ports, including USB and serial ports, facilitating connections to peripherals and external devices. The onboard Ethernet connectivity ensures that users can easily connect to networks, making it suitable for both standalone and networked environments.

The Tyan S1857 also emphasizes stability and durability, making it a reliable choice for critical applications. Its design considers thermal management, allowing for effective heat dissipation, which is essential for maintaining optimal operating conditions, especially in industrial settings.

In summary, the Tyan Computer Trinity 371 motherboard, or Tyan S1857, stands out for its comprehensive feature set, robust support for AMD processors, and reliable performance in various applications. Its ability to support expansion through additional slots, RAID configurations, and versatile connectivity options makes it an excellent choice for both industrial and server environments.
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