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INTRODUCTION
MB865 User’s Manual 3
Specifications
Form Factor ATX
CPU Type LGA 775 (Intel® Pentium® 4 / Celeron D)
System Speed 2.53GHz~3.8GHz
CPU Operating
Frequency
533MHz / 800MHz
Green /APM APM1.2
CPU Socket LGA775
Chipset
Intel® 865G / 865GV Chipset
GMCH: 82865G 932-pin FC-BGA
ICH5: 82801EB 460-pin MBGA
FWH
BIOS Award BIOS; Support ACPI function
Cache 256K/1MB/2MB Level 2 cache
VGA 82865G built-in, support CRT
AGP port AGP 8X interface
1’st LAN Intel 82551QM 10/100Mb Ethernet
2’nd LAN Intel 82547GI (CSA port) 1 Gigabit LAN controller
Audio ICH5 built-in audio controller + AC97 Codec
ALC655 (5.1 channel)
Memory type
2 x DDR 2.5V DDR400/333/266 SDRAM DIMM
module (support dual channel), Max. - 2GB
LPC I/O Winbond 83627HF: IrDAx1 Parallel x1, COM1
(RS-232), COM2 (RS-232/ RS422/RS485), FDC
1.44MB, Hardware monitor (3 thermal inputs, 8
voltage monitor inputs, VID0-4 , 1 chassis open
detection , 3 Fan Header)
Secondary IO Fintek F81216 support COM3, COM4 (RS-232)
RTC/CMOS ICH5 built-in
Battery Lithium Battery
Keyboard Controller Winbond 83627HF built-in
EPP/ECP Yes
IDE ICH5 built-in, IDE1, 2 (Ultra DMA 33/66/100)
CF connector 1 port, type II (use IDE2 slave)
Serial ATA connector 2 ports
Board Size 12” x 9.5”
D-type connectors PS/2 keyboard/mouse, VGA (CRT), COM1, Printer,
Audio, (USBx2 +RJ-45) x2
Power Connector ATX 12V – 24-pin
Expansion Slots
AGP slot, 4 PCI Slots, 2 ISA slots (MB865V has no
AGP slot)
PCI to ISA Bridge Winbond 83628,83629
USB 6 ports, USB 2.0 (D-sub x 4 + pin header x 2)
IrDA Pin header
Digital I/O 4 in / 4 out
Watchdog Timer Yes (256 segments, 0,1,2…255. sec/min)
System Voltages +5V, +12V, -12V, 5VSB, -5V, 3.3V