Contents

• Specifications
• Connectors
• Winbond BIOS Specifications
• Compliance
• Motherboard Configuration
• Internal Connectors
• Back panel connectors

Specifications

• Form Factor: µATX 24.4 cm. x 22.4 cm Form Factor
• CPU Support
  • Socket -A (Socket 462) for AMD PGA Athlon processor at 3200 MHz and more.
  • 133/166 and 200 MHz Host bus speed (uses dual clocking to obtain 266, 333 and 400 MHz FSB)
• System Memory
  • Two 184-pin DDR SDRAM DIMM sockets
  • Support for single-sided or double-sided DIMMs (DDR266, DDR333 and DDR400)
  • Support for up to 2 GB system memory
• KM400A Chipset: VT8378 system controller and VT8235 V-Link south bridge Chipset consisting of the following
  • • High performance SMA North Bridge: Integrated VIA Apollo KT400 and graphics accelerator in a single chip
    • 64-bit Advanced Memory controller supporting DDR333, 266 and 200 SDRAM
    • External AGP 8x bus (pins may optionally be used for additional flat panel and flat panel monitor interfaces)
    • V-Link south bridge chip includes UltraDMA-133 / 100 / 66 / 33 EIDE, 6 USB 2.0 Ports, AC97 / MC97 link (for audio and modem support), LPC, SMBus, Power Management, and Keyboard / PS2 mouse interfaces plus RTC / CMOS on chip
    • 2.5 V Core and Mixed 3.3 V / 5 V Tolerant and GTL+I/O
    • 35 x 35 m HSBGA (Ball Grid Array with Heat Spreader) package with 552 balls
  • High Performance Athlon CPU Interface
    • Supports Socket A (Socket 462) AMD Athlon processors
    • HSTL-like 1.5 V high-speed transceiver logic signal levels
    • Support independent address, data, and snoop interfaces
    • 200 / 166 / 133 MHz DDR (Double Data Rate) transfer on Athlon CPU address and data buses
    • Built-in PLL (Phase Lock Loop) circuitry for optimal skew control within and between clocking regions
    • Four-entry command queue to accommodate maximum CPU throughput
    • Four-entry probe queue to stores probes from the system to the processor
    • Twenty four-entry processor system data and control queue to store system data control commands in two separate read and write buffers for data movement in and out of processor interface
    • Supports WC (Write Combining) cycles
    • Sleep mode support
    • System management interrupt, memory remap and STPCLK mechanism
  • High Bandwidth 533 MB / Sec 8-bit -Link Host Controller
    • Supports 66 MHz V-Link Host interface with total bandwidth of 533 MB/s
    • Operates in 2x, 4x, and 8x modes
    • Full duplex commands with separate command / strobe
    • Request / Data split transaction
    • Configurable outstanding transaction queue for Host to V-Link Client accesses
    • Supports Defer / Defer-Reply transactions
    • Transaction assurance for V-Link Host to Client access eliminates V-Link Host-Client Retry cycles
    • Intelligent V-Link transaction protocol to eliminate data wait-state / throttle transfer latency
    • All V-Link transactions for both Host and Client have a consistent view of transaction data depth and buffer size to avoid data overflow
    • Highly efficient V-Link arbitration with minimum overhead
    • All V-Link transactions have predictable cycle length with known command /data duration
  • Full Featured Accelerated Graphics Port (AGP) Controller
    • Supports 533 MHz 8x, 266 MHz 4x, and 133 MHz 2x transfer modes for AD and SBA signaling
    • AGP v3.0 compliant with 8x transfer mode
    • Pseudo-synchronous with the host CPU bus with optimal skew control
    • Supports SideBand Addressing (SBA) mode (non-multiplexed address / data)
    • AGP pipelined split-transaction long-burst transfers up to 1 GB/s
    • Eight level read request queue
    • Four level posted-write request queue
    • Thirty-two level (quadwords) read data FIFO (256 bytes)
    • Sixteen level (quadwords) write data FIFO (128 bytes)
    • Intelligent request reordering for maximum AGP bus utilization
    • Supports Flush / Fence commands
    • Graphics Address Relocation Table (GART)
    • One level TLB structure
    • Sixteen entry fully associative page table
    • LRU replacement scheme
    • Independent GART lookup control for host / AGP / PCI master accesses
    • Windows 95 OSR-2 VXD and integrated Windows 98 / Windows 2000 miniport driver support
  • Advanced System Power Management Support
    • Power down of SDRAM (CKE)
    • VTT suspend power plane preserves memory data
    • Suspend-to-DRAM and self-refresh power down
    • Low-leakage I/O pads
    • ACPI 1.0B and PCI Bus Power Management 1.1 compliant
  • Advanced High-Performance DDR DRAM Controller
    • Supports DDR333, DDR266, and DDR200 (PC2700, PC2100, and PC1600 DDR SDRAM)
    • DRAM interface synchronous with host CPU (200 / 166 / 133 MHz) for most flexible configuration
    • DRAM interface may be faster or slower than CPU by 33 MHz (pseudosynchronous with 166/133 MHz FSB clock)
    • Concurrent CPU, AGP, and V-Link access
    • Clock Enable (CKE) control for DRAM power reduction in high speed systems
    • Allows use of either registered or unbuffered memory modules
    • Supports 6 banks up to 3 GB DRAMs for registered modules (4 banks up to 2 GB for unbuffered modules) ?Mixed 1M / 2M / 4M / 8M / 16M / 32M / 64M /128M x 8 / 16 / 32 DRAMs
    • Flexible row and column addresses 64-bit data width only
    • 2.5 V SSTL-2 DRAM interface
    • Programmable I/O drive capability for MA, MD, and command signals
    • Two-bank interleaving for 16 Mbit DRAM support
    • Four bank interleaving for 64 MB, 128 MB, 256 MB, 512 MB, and 1GB DRAM support
    • Supports maximum 16-bank interleave (i.e. 16 pages open simultaneously); banks are allocated based on LRU
    • Seamless DRAM command scheduling for maximum DRAM bus utilization (e.g., precharge other banks while accessing the current bank)
    • Four cache lines (16 quadwords) of CPU to DRAM write buffers
    • Four cache lines of CPU to DRAM read prefetch buffers
    • Read around write capability for non-stalled CPU read
    • Speculative DRAM read before snoop result
    • Burst read and write operation
    • Burst length 4 and 8
    • Supports CL 2/2.5 and 1T per command
    • 1T and 2T command rate which can be specified bank by bank
    • Decoupled and burst DRAM refresh with staggered RAS timing (CAS before RAS or self refresh)
  • Integrated Graphics / Video Accelerator
    • Optimized Shared Memory Architecture (SMA)
    • 8 / 16 / 32 / 64 MB frame buffer using system memory
    • Internal AGP 8x performance
    • Separate 128-bit data paths between north bridge and graphics core for pixel data flow and texture / command access
    • Graphics engine clocks up to 133 MHz decoupled from memory clock
    • High quality DVD video playback
    • Internal hardware VGA controller with true-color / high-color sprite for hardware cursor implementation
    • 128-bit 2D graphics engine
    • 128-bit 3D graphics engine
    • Floating point triangle setup engine
    • 3M triangles/second setup engine
    • 133M pixels/second trilinear fill rate
  • Extensive Display Support
    • CRT display interface with 24-bit true-color RAMDAC up to 250 MHz pixel rate with gamma correction capability
    • Direct TFT flat panel interface up to 24-bit data width supporting 18, 24, 18 + 18 and 24 + 24 TFT panels or LVDS encoders
    • 12-bit DVI 1.0-compatible interface for drive of flat panel monitor using external TMDS encoders
    • Interface to external TV Encoder for NTSC or PAL TV display
    • Support for CRT resolutions up to 1920 x 1440 and panel resolutions up to 1600 x 1200
    • Automatic panel power sequencing and VESA DPMS CRT power-down
    • Dual view capability where CRT and Flat Panel Monitor can have a different resolution and refresh rate
    • Built-in reference voltage generator and monitor sense circuits
    • I 2 C SerialBus and DDC Monitor Communications for CRT Plug-and-Play configuration
  • Video Support
    • High quality scaler (up or down) for both horizontal and vertical scaling (linear interpolation for horizontal and vertical up-scaling and filtering for horizontal and vertical down-scaling)
    • Colour space conversion
    • Colour enhancement (contrast, hue, saturation, brightness and gamma correction)
    • Colour and chroma key support
    • Hardware sub-picture blending
    • Bob /weave de-interlacing ode and advanced de-interlacing to improve video quality
    • PAL /NTSC TV output capability using external TV encoder
  • MPEG-2/1 Video Decoder
    • Motion compensation for full speed DVD playback
  • 2D Hardware Acceleration Features
    • BitBLT (bit block transfer) functions
    • Text function
    • Bresenha line drawing /style line function
    • ROP 3, 256 operation
    • Color expansion
    • Source and destination color keys
    • Transparency mode
    • Window clipping
    • 8, 15 /16, and 32 BPP mode acceleration
  • 3D Hardware Acceleration Features
    • Microsoft DirectX 7.0 and 8.0 compatible
    • OpenGL driver available
    • Floating-point setup engine
    • Triangle rate up to 3 million triangles per second and Pixel rate up to 133 million pixels per second for 2 texture, depth test and alpha blending
    • Hardware back-face culling
    • 16-bit,32-bit Z test, and 24+8 Z+Stencil test support
    • Z-Bias support
    • Stipple Test, Line-Pattern test, Texture-Transparence test, Alpha test support
    • Edge anti-aliasing support
    • Two textures per pass
    • Tremendous Texture Format: 16 / 32 BPP ARGB, 1 / 2 / 4 / 8 BPP Luminance, 1 / 2 / 4 / 8 BPP Intensity, 1 / 2 / 4 / 8 BPP Palletized (ARGB), YUV 422 / 420 format
    • Texture sizes up to 2048 x 2048
    • High quality texture filter modes: Nearest, Linear, Bi-linear, Tri-linear, Anisotropic
    • LOD-Bias support
    • Vertex Fog and Fog Table
    • Specular Lighting
    • Alpha Blending
    • High quality dithering
    • ROP2 support
    • Internal full 32-bit ARGB format for high rendering quality
    • System balance to achieve high performance
• VT8235 Chipset
  • • 16-bit V-Link for high bandwidth north bridge data transfer
    • Dual channel serial ATA / raid controller
    • UltraDMA-133 / 100 / 66 / 33 master mode eide controller
    • Integrated fast ethernet and eight port USB 2.0
    • Direct sound AC97 audio, keyboard / mouse controller
    • RTC, LPC, SMBUS, serial IRQ, plug and play, ACPI
    • PC2001 compliant enhanced power management
  • High Bandwidth 533 MB/s 8-bit V-Link Client Controller
    • Supports 16-bit 66 MHz V-Link Client interface with total bandwidth of 1066 MB/s
    • V-Link operates in 2x, 4x, and 8x modes and either 16-bit or 8-bit (for backwards compatibility)
    • Full duplex commands with separate Strobe / Command
    • Request / Data split transaction
    • Configurable outstanding transaction queue for V-Link Client accesses
    • Auto Client Retry to eliminate V-Link Host-Client Retry cycles
    • Intelligent V-Link transaction protocol to eliminate data wait-state / throttle transfer latency; all V-Link transactions
    • for both Host and Client have a consistent view of transaction data depth and buffer size to avoid data overflow
    • Highly efficient V-Link arbitration with minimum overhead; all V-Link transactions have predictable cycle length
    • with known Command / Data duration
    • Auto connect / reconnect capability and dynamic stop for minimum power consumption
    • Parity checking to insure correct data transfers
  • Integrated Peripheral Controllers
    • Dual channel UltraDMA-133 / 100 / 66 / 33 master mode EIDE controller
    • Integrated Fast Ethernet Controller with 1 / 10 / 100 Mbit capability
    • Integrated USB 2.0 Controller with four root hubs and eight function ports
    • AC-link interface for AC-97 audio codec and modem codec
    • HSP modem support
    • Integrated DirectSound compatible digital audio controller
    • LPC interface for Low Pin Count interface to Super-I/O or ROM
  • Integrated Legacy Functions
    • Integrated Keyboard Controller with PS2 mouse support
    • Integrated DS12885-style Real Time Clock with extended 256 byte CMOS RAM and Day/Month Alarm for ACPI
    • Integrated DMA, timer, and interrupt controller
    • Serial IRQ for docking and non-docking applications
    • Fast reset and Gate A20 operation
  • UltraDMA-133 / 100 / 66 / 33 Master Mode EIDE (Parallel ATA) Controller
    • Dual channel master mode hard disk controller supporting four Enhanced IDE devices
    • Transfer rate up to 133MB/sec to cover PIO mode 4, multi-word DMA mode 2 drives, and UltraDMA-133 interface
    • Increased reliability using UltraDMA-133/100/66 transfer protocols
    • Thirty-two levels (double words) of prefetch and write buffers
    • Dual DMA engine for concurrent dual channel operation
    • Bus master programming interface for SFF-8038i rev.1.0 and Windows-95 compliant
    • Full scatter gather capability
    • Support ATAPI compliant devices including DVD devices
    • Support PCI native and ATA compatibility modes
    • Complete software driver support
  • Fast Ethernet Controller
    • High performance PCI master interface with scatter / gather and bursting capability
    • Standard MII interface to external PHYceiver
    • 1 / 10 / 100 MHz full and half duplex operation
    • Independent 2K byte FIFOs for receive and transmit
    • Flexible dynamically loadable EEPROM algorithm
    • Physical, Broadcast, and Multicast address filtering using hashing function
    • Magic packet and wake-on-address filtering
    • Software controllable power down
  • Universal Serial Bus Controller
    • USB v2.0 and Enhanced Host Controller Interface (EHCI) v1.0 compatible
    • USB v1.1 and Universal Host Controller Interface (UHCI) v1.1 compatible
    • Eighteen level (doublewords) data FIFO with full scatter and gather capability
    • Four root hubs and eight function ports
    • Integrated physical layer transceivers with optional over-current detection status on USB inputs
    • Legacy keyboard and PS/2 mouse support
  • Direct Sound Ready AC97 Digital Audio Controller
    • AC-Link access to 4 CODECs (AC97 + AMC97 + MC97)
    • Multichannel Audio
    • Bus Master Scatter / Gather DMA
    • Dedicated read and write channels supporting simultaneous stereo playback and record
    • Dedicated read and write channels supporting simultaneous modem receive and transmit
    • 1 stereo DirectSound channel with source / volume control / mixer
    • 1 shared FM / SPDIF PCM read channel
    • 1 dedicated channel supporting multi-channel audio
    • 32-byte line-buffers for each SGD channel
    • Programmable 8-bit / 16-bit mono / stereo PCM data format support
    • AC97 2.1 compliant
  • System Management Bus Interface
    • Host interface for processor communications
    • Slave interface for external SMBus masters
  • Concurrent PCI Bus Controller
    • 33 MHz operation
    • Supports up to six PCI masters
    • Peer concurrency
    • Concurrent multiple PCI master transactions; i.e. allow PCI masters from both PCI buses active at the same time
    • Zero wait state PCI master and slave burst transfer rate
    • PCI to system memory data streaming up to 132 MB/s (north bridge data transfer via high speed V-Link)
    • PCI master snoop ahead and snoop filtering
    • Eight DW of CPU to PCI posted write buffers
    • Byte merging in the write buffers to reduce the number of PCI cycles and to create further PCI bursting possibilities
    • Enhanced PCI command optimization (MRL, MRM, MWI, etc.)
    • Four lines of post write buffers from PCI masters to DRAM
    • Sixteen levels (double-words) of prefetch buffers from DRAM for access by PCI masters
    • Delay transaction from PCI master accessing DRAM
    • Transaction timer for fair arbitration between PCI masters (granularity of two PCI clocks)
    • Symmetric arbitration between Host/PCI bus for optimized system performance
    • Complete steerable PCI interrupts
    • PCI-2.2 compliant, 32 bit 3.3 V PCI interface with 5 V tolerant inputs
  • Sophisticated PC2001-Compatible Mobile Power Management
    • Supports both ACPI (Advanced Configuration and Power Interface) and legacy (APM) power management
    • ACPI v2.0 and APM v1.2 Compliant
    • CPU clock throttling and clock stop control for complete ACPI C0 to C3 state support
    • PCI bus clock run, Power Management Enable (PME) control, and PCI/CPU clock generator stop control
    • Supports multiple system suspend types: power-on suspends with flexible CPU/PCI bus reset options,
    • suspend to DRAM, and suspend to disk (soft-off), all with hardware automatic wake-up
    • Multiple suspend power plane controls and suspend status indicators
    • One idle timer, one peripheral timer and one general purpose timer, plus 24/32-bit ACPI compliant timer
    • Normal, doze, sleep, suspend and conserve modes
    • Global and local device power control
    • System event monitoring with two event classes
    • Primary and secondary interrupt differentiation for individual channels
    • Dedicated input pins for power and sleep buttons, external modem ring indicator, and notebook lid open/close for
    • system wake-up
    • 32 general purpose input ports and 32 output ports
    • Multiple internal and external SMI sources for flexible power management models
    • Enhanced integrated real time clock (RTC) with date alarm, month alarm, and century field
    • Thermal alarm on external temperature sensing circuit
    • I/O pad leakage control
  • Plug and Play Controller
    • PCI interrupts steerable to any interrupt channel
    • Steerable interrupts for integrated peripheral controllers: USB, floppy, serial, parallel, and audio
    • Microsoft Windows XP TM , Windows NT TM , Windows 2000 TM , Windows 98 TM and plug and play BIOS compliant
  • Built-in NAND-tree pin scan test capability
  • 0.22 um, 2.5 V, low power CMOS process
  • Single chip 27 x 27 mm, 1.0 mm ball pitch, 539 pin BGA
• I/O controller: WINBOND W83697HF I/O Controller with the following features
  • PS/2 Keyboard and Mouse controller
  • Floppy disk controller supporting one FDD with 360 KB, 720 KB, 1.2 MB and 1.44 MB
  • 2 serial ports, both 16C550 Fast UART compatible.
  • 1 Parallel port supporting SPP (Standard parallel Port), EPP (Enhanced Parallel Port), and ECP (Extended Capabilities Port) modes
  • 1 Fan controller
• Audio Chipset: Audio Subsystem for AC'97 processing using the Realtek ALC655 codec
  • DirectSound AC'97 2.2 Audio
  • Inputs and Outputs: Stereo inputs for Line-in, CD audio, Auxiliary, mono inputs for microphone
  • Mixer Features: mixer with stereo for Line, CD audio, auxiliary, music synthesizer, digital audio (wave files), and mono for microphone and speaker phone
  • Features: 3D stereo enhancement for simulated surround, power management support
  • Stereo microphone input with integrated preamp for enabling a 2-channel mic array

  Connectors

  • 1 AGP slot with integrated retention mechanism
  • 2 PCI +1 Combo PCI/CNR slot
  • 1 DB9 serial port (COM A )
  • 1 Header serial port (COM B )
  • 1 DB15 VGA port
  • 1 DB25 parallel port with SPP, ECP, EPP bidirectional modes
  • PS/2 keyboard and PS/2 mouse ports (not swappable)
  • 6 USB 2.0; 2 rear ports + 2 front USB + 2 interne
  • 1 mono microphone input (Mic-In)
  • 1 Line-In
  • 1 Line-Out
  • 2 IDE connectors
  • 1 Floppy connector
  • Panel connector
  • 1 RJ45 connector

  Winbond BIOS Specifications

  • Plug and Play
  • Advanced Configuration and Power Interface (ACPI) 1.0
  • Advanced Power Management (APM) 1.2
  • Y2K
  • PC 2001
  • S3/S1 mode
  • Desktop Management Interface (DMI)
  • 2 Mbits flash device
  • Language supported: English
  • POST

  Compliance

  Specification	Description
  Full ATX	Full ATX form factor specifications
  AGP 2.0 / 3.0	Accelerated Graphics Port 2.0 (4x/2x) and 3.0 (8x)
  APM	Advanced Power Management BIOS interface specification
  ACPI	Advanced Configuration and Power management Interface
  EPP	Enhanced Parallel Port IEEE 1284 standard, Mode [1 or 2]
  ECP	Extended Capabilities Port
  ATA-33	Synchronous DMA Transfer Protocol specification (to be proposed as Ultra DMA/33 standard )
  PCI 2.2	PCI Local Bus specification
  Plug and Play	Plug and Play BIOS specification
  USB	Universal Serial Bus specification
  ATA-66/100/133	Synchronous DMA Transfer Protocol specification

  Motherboard Configuration

  The Quasar2 motherboard has four jumper settings
  • Front Panel audio connector JAUD1 (not used)
  • Bios Recovery function/ Safe mode JRC1
  • CLEAR CMOS JBAT1
  • FSB (SW1&SW2)
    

  JAUD1: Front Panel Audio Header Signal Names
  	Pin	Signal Name	Description
  	1	AUD_MIC	Front Panel Microphone input signal
  	2	AUD_GND	Ground used by Analog Audio Circuits
  	3	AUD_MIC_BIAS	Microphone Power
  	4	AUD_VCC	Filtered +5 V used by Analog Audio Circuits
  	5	AUD_FPOUT_R	Right Channel Audio signal to Front Panel
  	6	AUD_RET_R	Right Channel Audio signal Return from Front Panel
  	7	HP_ON	Not connected
  	8	KEY	No Pin
  	9	AUD_FPOUT_L	Left Channel Audio signal to Front Panel
  	10	AUD_RET_L	Left Channel Audio signal Return from Front Panel

  
  

  JRC1 Safe Mode/Recovery/Normal selection jumper
  1-2	Normal
  2-3	Safe mode
  open	Recovery

  
  

  JBAT1: Clear Cmos Configuration
  Normal	1-2
  Clear Cmos	2-3
  FSB:	SW1	SW2
  100	2-3	2-3
  133	2-3	1-2
  166	1-2	1-2
  200	1-2	2-3

  Internal Connectors

  Denomination on image	Name	Type
  CONN1	Power Connector	20-pin Keyed Connector
  JPW1	Aux Power Connector	4-pin Keyed Connector
  SYSFA1	System fan connector	3-pin header
  FDD1	Floppy Drive connector	34 (2 x 17) pin Shrouded Header
  IDE 1	Primary IDE connector	40 (2 x 20) pin header (blue)
  IDE 2	Secondary IDE connector	40 (2 x 20) pin header (white)
  PCI 1, 2 and 3	PCI connectors	standard PCI expansion slots
  AGP1	Accelerated Graphics Port	standard AGP connector
  CPU	CPU connector	462-Pin socket
  CPU FAN	CPU Fan connector	3-pin header
  DIMM 1 and 2	DIMM sockets	184-pin standard sockets
  JUSB2, JUSB3	USB connector	2 x 5 pin header (-1 key, yellow)
  JCD1	CD-ROM Audio Line In	4-pin header (black)
  JPHN1	Modem In	4-pin header (green)
  JSP1	SPDIF	3-pin header (black)
  JAUD1	Connecting to front audio	10-pin jumper
  JCOM1	Serial port connector	2 x 5 pin header (black)
  BAT1	CMOS battery socket
  JFP1	Front panel Connector	2 x 5 pin header (-1 key)

  Back panel connectors

  Name	Function	Type
  A	PS/2 Mouse port	6-Pin Mini-DIN
  B	PS/2 Keyboard port	6-Pin Mini-DIN
  I	USB port 1
  J	USB port 2
  F	Serial port 1	9-pin SUB D
  G	VGA port	15-pin SUB D
  E	Parallel port	25-pin SUB D
  K	Audio Line In	jack socket
  L	Audio Line Out	jack socket
  M	Mono Microphone in	jack socket
  H	RJ45 LAN