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(Click to enlarge)
Datasheet
in PDF
MB840 SPECIFICATIONS
CPU Socket
Socket 478
CPU
Intel® Pentium® 4 processor, 1.7GHz~3.06GHz+
Hyper-Threading supported
Chipset
Intel® 845GV chipset
Processor Side Bus Frequency
533MHz (133MHz x4)/400MHz (100MHz x4)
L2 Cache
128K/256K/512K, CPU integrated
BIOS
Award BIOS, ACPI supported
System Memory
Two DDR slots
Support up to 2GB PC200/266/333 DDR SDRAM
VGA
Intel® 845GV chipset integrated, AGP 4X
LAN
Realtek 8100BL LAN Controller (10/100Mb)
Audio
ICH4 integrated audio with AC97 Codec ALC650
LPC I/O
Winbond 83627HF supports IrDA x 1, Parallel x 1, COM1,
COM2 (RS232), FDC up to 2.88MB (3 Mode support),
hardware monitoring
IDE Interface
Built in ICH4; Two enhanced IDE supports 4 IDE devices
including UDMA33/66/100, PIO mode 4 and bus master
FDD Interface
Supports up to two floppy disk drives: 3.5" and/or 5.25"
drives; 3 Mode support
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FEATURES
- Socket 478 supports HT Pentium4 up to 3.06GHz
- Intel® 845GE/GV chipset, 533MHz and 400MHz FSB
- Micro ATX form factor
- Two DDR slots support up to 2GB PC200/266/333 DDR SDRAM
- 3 PCI slots
- Watchdog timer, 4 USB ports, USB 2.0 support
Parallel Port
One parallel port supports SPP/EPP/ECP
Serial Ports
RS-232 x2
Watchdog Timer
Generates system reset; 256 levels
Hardware Monitoring
Built in Winbond W83627HF; monitors system/CPU temperature and voltage
status
USB
USB 2.0 compliant
Supports 4 USB ports
IrDA
Pin header
Keyboard and Mouse Connector
PS/2 type keyboard and mouse connectors
Expansion Slots
3 PCI (AGP slot not available on 845GV chipset)
Power Connector
ATX 12V power connector
Form Factor
Micro ATX motherboard
Dimensions
244mm x 244mm (9.5" x 9.5")
Power Consumption
Intel® Pentium® 4 processor 2.4GHz (512KB, 0.13u) w/ 256MB
DDR Memory
+5V: 0.69A; +12V: 4.95A
2.2 GHz Intel® Celeron®
processor (128KB, 0.13u) w/ 256MB DDR Memory
+5V: 0.61A; +12V: 5.15A
Operating Temperature
0°C~60°C
(32°F~140°F)
Storage Temperature
-20°C~80°C
(-4°F~176°F)
Relative Humidity
10%~90%
(non-condensing)
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Ordering Information:
MB840
- Socket 478 Intel® 845GV Micro ATX Motherboard, PCI x3
Remarks: Add (-R) after
the model name for RoHS-compliant version when ordering.
 Other Industrial Motherboards / Mini-ITX Motherboards
MB700 - Socket 370 Industrial Motherboard
with Dual LAN and Optional Third LAN
MB800 - Socket 478 Intel® 845G
ATX Motherboard with VGA, integrated LAN and optional Gigabit LAN
(secondary)
MB820 - Socket 478 Intel® 875P
ATX Motherboard with SMI 712 VGA and 10/100 LAN or Gigabit LAN
MB840 - Socket
478 Intel® 845GE/845GV Micro ATX Industrial Motherboard
MB850 - Socket 478 Intel® 845GV Mini-ITX
Motherboard
MB860 - Transmeta Efficeon Mini-ITX Motherboard
= More Performance per Watt per Dollar
MB870 - Socket 478 Intel® Pentium®
4, ATI RS300M Mini-ITX Motherboard
= First IPC M/B to use ATI RS300M = for Best
Graphics Performance.
MB890 - Socket 479 Intel® Pentium®
M, 855GME Mini-ITX Motherboard
AFW3000 - Intel® Xeon™
processor-based, E7501 PCI-X Server Motherboard
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