TYAN S1846 - Page 6

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6
Chapter 1
Introduction
•National 309 Super I/O chipset
Voltage and Power •ATX power supply connector
Information •+12V power source for DC fan onboard
•3.3V DRAM support
•Utilizes GTL+ bus to reduce power
consumption and EMI
Main Memory •Up to 768MB onboard
•Three 168-pin DIMM sockets
•Supports 100MHz SDRAM with SPD
System Management •Optional National LM79 and LM75 ASICs
with onboard alarm for monitoring temperature,
supply voltages, and fan speed
•Intel LANDesk Client Manager software
(with LM79 installed)
•Chassis intrusion detection capable
Expansion Slots •One 32-bit AGP slot
•Five 32-bit PCI BUS Master slots
•Two 16-bit ISA slots
•One shared, seven usable slots
Physical Dimensions •ATX design
•12 inches x 8.25 inches
•S1846S requires Intel Venus
compatible I/O shield
•S1846SLA requires Intel Caveman compatible
I/O shield
BIOS Information •AMI Plug and Play flash BIOS
•Deep Green, Energy Star, ACPI, Year 2000, and
PC98 compliant
•Soft power-down, multiple boot
options
•Win98/NT5 ready, DMI 2.0 compliant
•PCI 2.1, APM 1.1 compliant
Disk Drive & System I/O •Two PCI bus mastering EIDE