Specifications – Intel LGA775 User Manual
Page 7

INTRODUCTION
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
st LAN
Intel 82551QM 10/100Mb Ethernet
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 (2801550V 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
2801550 User’s Manual
3