Tyan S1590S socket 7 pentium motherboard with 4 ISA slots. AT form factor.

• Voltage & Power :
  • Design incorporates AT and ATX power connectors
  • +12V power source for DC fan on board
  • Switching power supply on-board
  
  
• Storage:
  • Two PCI Bus-Master enhanced IDE channels
  • 4 HDD & EIDE CD-ROM Support
  • Ultra DMA/33 Support (UDMA HDD required)
  • PIO Mode 3&4 (up to 17MB/sec DTR)
  • Bus-Mastering DMA Mode 2 support
  
  
• Rear Panel I/O Ports:
  • One Keyboard Port
  
  
• Internal I/O Interface:
  • Two floppy drive (up to 2.88MB) connectors
  • One IR (infra red) I/O interface port header
  • Two USB rev 1.2 port headers
  • Two PCI Bus-Master enhanced IDE channels
  • One PS/2 mouse port connector header
  • One ATX ECP/EPP parallel port
  • Two ATX (9-pin) serial ports (16550 UARTs)

Motherboard Specifications

• Model:
  • Tyan S1590S Trinity 100 AT Motherboard

• Processor Support:
  • Intel Pentium/Pentium MMX
  • Cyrix/IBM 6x86(M1) / 6x86MX(M2)
  • AMD K5/K6/K6-2 (K63D)
  • IDT C6/C6+
  • ZIF Socket #7

• FSB:
  • 66MHz-100MHz Bus Speeds
  
  
  
• Tyan S1590S Chipset:
  • VIA Apollo MVP3 AGPset
  • Newest and fastest 100MHz Socket7/AGP chipset
  
  
• Memory:
  • Up to 384 MB on board (3.3V / 5V)
  • Two 72-pin SIMM Sockets
  • Three 168-pin DIMM Sockets
  • EDO, SDRAM, Parity, DIMM support
  • ECC support using parity memory
  • 1MB second level cache

• Expansion Slots:
  • Four 32-bit PCI Bus Mastering Slots
  • Four 16-bit ISA Slotss
  • One 32-bit AGP Slot
  • One Shared PCI/ISA Slot - 7 usable
    

• Tyan S1590S BIOS:
  • Award or AMI BIOS - Award Standard
  • Green PC Compatible
  • Microsoft Plug and Play Ready
  • ACPI /Year 2000 / PC97/98 compliant
  • Win98 Ready / DMI 2.0 compliant
  • Soft power-down / Multiple boot options

• Form Factor:
  • Mini-AT design (11.1"x8.75") Reduced form factor
  • 3-pin Wake on LAN header (Requires ATX 2.1 PS)