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SY-7VCA
Motherboard
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m III & Celeron ™
V
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User's Manual
ATX Form Factor
66/100/133 MHz Front Side Bus supported
ia 694X AGP/PCI/AMR Motherboard
Processor supported
Pentiu
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O ™ SY-7VCA Copyright © 1999 by Soyo Computer Inc. Soyo is the registered trademark of Soyo Computer Inc. All trademarks are the properties of their owners. All names of the product and corporate mentioned in this publication are used for identification purposes onl y . The registered trademarks and copyrights belong to All rights reserved. This manual has been copyrighted by Soyo Computer Inc. No other language, or stored in a retrieval system, in any form or by any means, such without permissi
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able of Contents T SY-7VCA CHAPTER 1 MOTHERBOA RD DESCRIPTION ............................... 1 1-1 INTRODUCTION ................................ .............................. 1 1-2 TURES KEY FEA ................................ ............................... 1 1-3 HANDLING THE MOTHERBOARD .............................. 5 1-4 TIC DISCHARGE PRECAUTIONS ELECTROS ......... 5 1-5 SY-7VCA MOTHERBOARD L .......................... 6 1-6 SY-7VCA MOTHERBOARD COMPONENTS ............... 7 1-7 MICROPROCES
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able of Contents T SY-7VCA 3-3 TURES A AD ................................ ...... 64 3-4 TURES A AD ............................... 68 3-5 TED PERIPHERALS INTEGRA ................................ ....... 73 3-6 POWER MANAGEMENT SETUP ................................ .. 78 3-7 TION SETUP PNP/PCI CONFIGURA .............................. 82 3-8 PC HEA ................................ ...................... 85 3-9 LOAD ................................ ...... 87 3-10 LOAD OPTIMIZED DE ...............
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Motherboard Description SY-7VCA Chapter 1 INTRODUCTION The SY-7VCA AGP/PCI/AMR Motherboard is a high-performance TX form-factor system board. The Socket 370 supported A SY-7VCA VIA Chipset technology and supports Socket 370 class processors. This Motherboard is fully compatible with industry standards and adds many technical enhancements. Ø The SY-7VCA supports a wide range of INTEL CPUs: n FSB 133MHz: Intel Pentium ® III 533EB~866 MHz n FSB 100MHz: Intel Pentium ® III 500E~800 MHz n FSB 66
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Motherboard Description SY-7VCA n CPU Multiplier The SY-7VCA supports a wide range of multipliers: 2.0x, 2.5x, 3.0x, 3.5x, 4.0x, 4.5x, 5.0x, 5.5x, 6.0x, 6.5x, 7.0x, 7.5x and 8.0x Ø The SY-7VCA provides all the standard expansion slots, and many more additional expansion features: u Expansion slots n 1 x 32-bit bus master AGP slot n 5 x 32-bit bus master PCI slots n 1 x 16-bit ISA slots u Enhanced IO n Floppy disk controller n 2x EIDE controllers with support for up to 4 Ultra DMA 33/66 devices
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Motherboard Description SY-7VCA Ø The SY-7VCA supports advanced functions such as: n Supports Wake-On-LAN (Some advanced network cards can wake the system up over the network, the WOL connector is provided by the SY-7VCA to support this function) . n Multiple boot The SY-7VCA supports booting from devices such as CD-ROM. n Power on by modem or alarm If the SY-7VCA system is in suspend mode, it can be switched back on through the modem or RTC alarm through this function. This opens a lot of pos
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Motherboard Description SY-7VCA n irtual Drive V Ø The SY-7VCA complies with all important industry standards. The following underlines the reliability of the SY-7VCA, a motherboard to n PC99, ACPI compliant Ø n SOYO Combo Setup n Jumperless design n ou can set up the following options trough the BIOS settingY ─ CPU FSB frequency ─ CPU multiplier ─ CPU Vcore voltage ─ PCI clock ─ AGP Clock ─ SDRAM Clock 4 USER FRIENDLY trust. COMPLIANCE
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Motherboard Description SY-7VCA HANDLING THE MOTHERBOARD To avoid damage to your Motherboard, follow these simple rules while unpacking: Ø Before handling the Motherboard, ground yourself by grasping an unpainted portion of the system's metal chassis. Ø Remove the Motherboard from its anti-static packaging. Hold the Motherboard by the edges and avoid touching its components. Ø Check the Motherboard for damage. If any chip appears loose, press carefully to seat it firmly in its socket. Do not
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Motherboard Description SY-7VCA SY-7VCA MOTHERBOARD L B e r r USB 1 Socket 370 T COM1 ATX Power 1 3 CPUFAN SDRAM COM2 ® X GAME SDRAM AUDIO-OUT LINE-IN 11 MIC-IN IDE 1 IDE 2 3 2 1 M M M M M M I I I AGP Slot D D D C 1 3 1 JP5 2 S O 1 4 1 4 I 3 B 1 ® a h 2 s VT82C686A a JP10 l 3 F 1 4 2 D8 D N 1 D3 D 15 R 3V2 FDC1 Lithium1 15 Battery 5 2 6 0 1 r 13 r ISA Slot _ _ ++ CHAFAN _ _ ++ t 6 SY-7VCA Platform Back Panel LED LED HDD STR PWRBT Rese LED Speake Powe USB PCI Slot # AM SIRCO PCI Sl
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Motherboard Description SY-7VCA SY-7VCA MOTHERBOARD COMPONENTS AB CDE W F SDRAM ® SDRAM V U G H T ® I S R Q P J K ONML 7 1-6
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Motherboard Description SY-7VCA A Socket 370 Connector B CPU Cooling Fan Connector C Via 694X North Bridge chip D E DIMM Banks F API Ports Bus Mastering e-IDE/ G CMOS Clear Jumper H South Bridge Chip I Flash BIOS J USB Ports K Chassis Cooling Fan L Front panel connectors M Serial Infrared (IrDA) Device Header N Floppy Disk Drive (FDD) Port O 16-bit ISA Slot P 3V Lithium Battery Q Audio Modem Riser Slot R S 32-bit PCI Mastering Slots T CD-IN Connectors U AC97 Codec Chip V 32-bit AGP Slot W Back
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Motherboard Description SY-7VCA MICROPROCESSOR The motherboard supports a single Socket 370 processor ’ s VID pins automatically program the voltage regulator on the motherboard to the required processor voltage. In addition, the front side bus speed (100 MHz and 133 MHz) is automatically selected. The motherboard supports all current Socket 370 processor speeds, voltages, and bus frequencies. 1-7.1 The CPU is packaged in a 370 pin PGA package. A fan must be used to ensure adequate cooling. 1-
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Motherboard Description SY-7VCA 1-8.1 The motherboard has three DIMM sockets. SDRAM can be installed in one, two, or three sockets. Using the serial presence detect (SPD) data PROM on the DIMM, the BIOS can structure, programmed into an E² determine the SDRAM ’ s size and speed. Minimum DIMM memory size is 8 MB; maximum DIMM memory size is 256/512 MB. Memory size and speed can vary between sockets. The motherboard supports the following memory features: ─ DRAM interface synchronous with host
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Motherboard Description SY-7VCA ─ Dual copies of MA signals for improved drive ─ Optional bank-by-bank ECC (single-bit error correction and multi- bit error detection) or EC(error checking only) for DRAM integrity ─ o-bank interleaving for 16Mbit SDRAM support ─ o-bank and four bank interleaving for 64Mbit SDRAM support ─ Independent SDRAM control for each bank ─ Seamless DRAM command scheduling for maximum DRAM bus utilization (e.g., precharge other banks while accessing the current bank) ─ Fou
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Motherboard Description SY-7VCA CHIPSET Ø VT82C694X The VIA 694X is a high performance, cost-effective and energy efficient chip set for the implementation of AGP/PCI/ISA desktop personal computer systems from 66MHz, 100MHz and 133MHz based on 64-bit Socket 370 super-scalar processors. ia 694X chip set consists of the VT82C694A system controller (510 The V pin BGA) and the VT82C686A PCI to ISA bridge (324 pin BGA). The system controller provides superior performance between the CPU, DRAM, AGP b
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Motherboard Description SY-7VCA operating environments. Both Window 95 VxD and Windows 98 /NT5.0 mini port drivers are supported for interoperability with major AGP-based 3D and DVD- capable multimedia accelerators. The VT82C694X supports two 32-bit 3.3/5V system buses (one AGP and one PCI) that are synchronous/ pseudo-synchronous to the CPU bus. The chip also contains a built-in bus-to-bus bridge to allow simultaneous concurrent operations on each bus. Five levels (double words) of post write b
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Motherboard Description SY-7VCA Dynamic CKE control for powering down of the SDRAM. A separate suspend-well plane is implemented for the SDRAM control signals for Suspend-to-DRAM operation. Coupled with the VT82C686A south bridge chip, a complete power conscious PC motherboard can be implemented with no external TTLs. , high ia 694X chipset is ideal for high performance, high qualit The Vy energy efficient and high integration desktop and notebook AGP / PCI / ISA computer systems. Ø VT82C686A Th
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Motherboard Description SY-7VCA environment. 3) Keyboard controller with PS2 mouse support. 4) Real Time Clock with 256 byte extended CMOS. In addition to the , the integrated y standard ISA date alarm, century field, and other enhancements for compatibility with the ACPI standard. 5) Hardware monitoring subsystem for managing system/ motherboard voltage levels, temperatures, and fan speeds 6) Full System Management Bus (SMBus) interface. 7) I/O ports with infrared communications port option.
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Motherboard Description SY-7VCA controller supports type F DMA in addition to standard ISA DMA modes. Compliant with the PCI2.2 specification, the VT83C686A supports delayed transactions and remote power management so that slower ISA peripherals do not block the traffic of the PCI bus. Special circuitry is built in to allow concurrent operation without causing dead lock even in a PCI- to PCI bridge environment. The chip also includes eight levels (doublewords) of line buffers from the PCI bus to
