User`s manual

VIA 693/693A Twin Processor Mainboard INTRODUCTION
1-3
1.3 SPECIFICATIONS
¥ CPU
Intel® Pentium™ II, Pentium™ !!! or Celeron™ (f`or both Slot type and Socket
type CPU) 233, 266, 300, 333. 350, 366, 400, 433, 450, 466, 500, 550, 600MHz
and higher speed processors
¥ CPU VCC
Switching Voltage Regulator circuits on board, supports +1.80V DC through
+3.5V DC CPU Core Voltage.
Note : The CPU Core Voltage will be Detected and adjusted automatically by the
VID-pin on the CPU, so there is no manual-adjustment required to select the CPU
voltage. Simply plug in the CPU and start immediately.
¥ WORD SIZE
Data Path : 8-bit, 16-bit, 32-bit, 64-bit
Address Path : 32-bit
¥ PC SYSTEM CHIPSET
PC133 mainboard: VIA693A and 596B chipset
PC100 mainboard: VIA693 and 596B Chipset
¥ SUPER I/O CHIPSET
Winbond® W83977TF/EF-AW
¥ FRONT SIDE BUS FREQUENCY
VIA693A : 66 MHz 100MHz and 133MHzselectable.
VIA693 : 66 MHz and 100MHz selectable.
¥ MEMORY
Three 168-pin DIMM sockets, Maximum 384 MB with ECC.
CACHE :512KB pipelined burst SRAM in Pentium™ II, Pentium™ !!! processor.
0KB, 128KB, or 256KB SRAM in Celeron™ processor.
¥ BIOS
AWARD System BIOS. 256KB x 8 Flash ROM
(Supports Plug & Play, ACPI, DMI and Green functions).