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IBT Technologies Inc.; 5405 Thimens; Quebec, Canada H4R 2H4; 1-866-590-4288; info@ibt.ca
MB840 - Intel 845GE/GV Micro ATX Longterm Supply
Industrial Motherboard

(click to zoom)

CPU Socket
Socket 478
Intel Pentium 4, 1.7GHz~3.06GHz+
Hyper-Threading supported
Intel 845GE/GV chipset
Processor Side Bus Frequency
533MHz (133MHz x4)/400MHz (100MHz x4)
L2 Cache
128K/256K/512K, CPU integrated
Award BIOS, ACPI supported
System Memory
Two DDR slots
Support up to 2GB PC200/266/333 DDR SDRAM
Intel 845GE/GV chipset integrated, AGP 4X
Realtek 8100BL LAN Controller (10/100Mb)
ICH4 integrated audio with AC97 Codec ALC202
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

Microsoft XP Certified:


- 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
- 1 AGP 4X slot (MB840F), 3 PCI slots
- Watchdog timer, digital I/O, 4 USB ports, USB 2.0 support

IO Connectors

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 2.0 compliant
Supports 4 USB ports
Pin header
Keyboard and Mouse Connector
PS/2 type keyboard and mouse connectors
Expansion Slots
1 AGP (MB840F only), 3 PCI
Power Connector
ATX 12V power connector
Form Factor
Micro ATX motherboard
244mm x 244mm (9.5" x 9.5")
Power Consumption
Pentium 4 2.0GHz/400 (256KB, 0.18m) with 512MB DDR memory
+5V: 0.47A; +12V: 9.34A
Pentium 4 2.4GHz/533 (512KB, 0.13m) with 512MB DDR memory
+5V: 0.65A; +12V: 5.94A

Operating Temperature
0°C~60°C (32°F~140°F)
Storage Temperature
-20°C~80°C (-7°F~4°F)
Relative Humidity
10%~90% (non-condensing)

Ordering Information
MB840F - Socket 478 Intel 845GE Micro ATX Motherboard, PCI x3 + AGPx1
MB840 - Socket 478 Intel 845GV Micro ATX Motherboard, PCI x3
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