Tyan Tomahawk A+ S1856-V Motherboard
TYAN Updated: 2009-01-29 RSSTyan Tomahawk A+ is a quality, high performance single processor system platform based on the powerful Intel PPGA-370 Celeron microprocessors. This mainboard is designed around the latest and fastest Intel 440BX AGPset as well as VIA´s Apollo Pro Plus AGPset.
The Tomahawk A+ supports SPD SDRAM memory and ECC SDRAM. S1856's PCI Local Bus and new 32-bit AGP bus provides high performance capabilities that are ideal for a wide range of demanding applications such as: CAD, CAM, CAE, real-time 3D, and simulations.
This integrated system board achieves the highest reliability and is based on a double row ATX form factor. Some of the features included are: on-board dual channel PCI IDE, on-board floppy controller, on-board high speed I/O, Universal Serial Bus, on-board PS/2 mouse connector, on-board wavetable sound (optional), and on-board system mangement (optional).
Flexibility and expandibility have been designed into the Tomahawk A+. With I/O and drive controller support built on-board, the Tomahawk A+ allows many upgrade paths not found on other boards.. With three 168-pin DIMM sockets, the board can provide a very flexible memory configuration of up to 768MB SPD SDRAM or SDRAM+ECC in addition to the new 100 MHz SDRAMs.
* Processor
- Celeron 300-466 MHz CPU
- One Socket 370 connector
- Up to 100 MHz bus support
- One rev 8.4 VRM on-board
- Two on-board CPU/case fan headers
* Chipset
- VIA Apollo Pro Plus AGPset
- Winbond 977 Super I/O chipset
* System Memory
- Up to 768MB SDRAM Memory Support
- Synchronous DRAM W/SPD; SDRAM + ECC
- Three 168-pin DIMM Sockets
- 100 MHz SDRAM support
* Expansion Slots
- Five 32-bit PCI Bus Mastering Slots
- Two 16-bit ISA Slots; one 32-bit AGP Slot
- One Shared PCI/ISA Slot (7 usable slots)
* Integrated Audio
- Ensoniq 1371 PCI Wavetable audio chip
- AC97 codec / One ATX Game port
- ATX Line in, MIC, and speaker ports
* System Management (optional)
- ADM9240 sensor chips with on-board alarm for heat, fan and voltage. Reports to the operating system for system monitoring.
- Tyan Desktop Client Mgr software included
- Chassis Intrusion Detection capable
* Disk Drive & System I/O
- UltraDMA/33 (UIDE) built-in (up to 33MB/s DTR); two PCI Bus Mastering EIDE channels
- Supports EIDE CD-ROMs
- Bus-Mastering Mode (Up to 22MB/s DTR)
- PIO Mode 3 & 4 (Up to 17MB/s DTR)
- Two Floppy Drive Support (Up to 2.88MB)
- Two ATX Serial Ports (16550 UARTs)
- One ATX ECP/EPP Parallel Port
- Two ATX USB Rev 1.2 Ports
- One IR (InfraRed) I/O Interface Port
- One ATX PS/2 Mouse Port
- One ATX PS/2 Keyboard Port
* Voltage and Power
- ATX Power Supply Connector
- +12V Power Source for DC-FAN on-board
- 3.3V DRAM Support; consumption and EMI
- Utilizes GTL+ Bus, Reducing Power Power recovery after interrupt feature
- WoL Feature Header (3-pin) * Requires ATX 2.01 Compliant Power Supply
* BIOS
- Award Plug 'n' Play flash BIOS Standard
- Deep Green / Energy Star / PC98 ready
- Yellow LED for Sleep mode
- Year 2000 compliant
* Form Factor
- ATX Design (8.3" x 12.0")
- Double Row ATX Connectors
User Manual
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