Onboard Features
1-7
PCI-946-1 and P3S440BX Technical Specifications (cont’d)
FEATURES
DESCRIPTIONS
Hardware Monitoring
System
A system hardware circuit monitors all system voltages, ambient
temperature and fan speed.
Battery
A built-in lithium battery is provided for data retention of CMOS memory.
Operating Systems
Supports all operating systems developed for x86 and Pentium®
processors.
PC and MS-DOS
TM
, Windows® 3.X, Windows® 95/98, Windows® NT
4.0/5.0, OS/2® Warp; SCO UNIX™, QNX™. NOVELL™; UnixWare™.
Boot Block Flash BIOS
The 256KB Boot Block Flash device contains all the board’s BIOSs and
is used for storing the nonvolatile configuration required for Plug and
Play. The protected boot block section allows for the reprogramming of
the BIOS.
Power Supply
Voltage: VCore set by CPU VID; 3.3V ±5% ; +5V ±5% ; +12V ±5%
PCI-946 Rev. 1:
On-board switching regulators for 2.0V (Vcore),
and 3.3 VDC (Vio).
Current Ratings (Celeron)
Frequency (MHz) 300
366
433
566
Current (Amps)
3.26
3.60
3.82
3.18
P3S440BX:
On-board switching regulators for 1.6V (Vcore),
and 3.3 VDC (Vio).
Current Ratings (Pentium III)
Frequency (MHz)
600
700
Current (Amps)
2.92
4.12
Mechanical
Board Dimensions:
338 x 122 x 36mm at CPU FAN (13.32” x 4.80” 1.4 in. at CPU / Fan)
Conforms to IEEE P996 PC/AT bus, PCI Rev. 2.1 & PICMG Rev. 2.0
standards
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