Intel® 845 chipset with Pentium® 4 processor-based 845GV Mini ITX Motherboard


(Click to enlarge)

Datasheet in PDF



CPU Socket
Socket 478
Intel® Pentium® 4 processor, 1.7GHz~3.06GHz+
Hyper-Threading supported
Intel® 845GV chipset
Processor Side Bus Frequency
L2 Cache
128K/256K/512K, CPU integrated
Award BIOS, ACPI supported
System Memory
One DDR slots
Support up to 1GB PC200/266/333 DDR SDRAM
Intel® 845GV chipset integrated, AGP 4X
Realtek 8100BL LAN Controller (10/100Mb)
ICH4 integrated audio with AC97 Codec
ALC 650 6-Channel
Winbond 83627HF supports IrDA x 1, Parallel x 1,
COM1, COM2 (RS232), FDC up to 2.88MB
(3 Mode support), hardware monitoring
Secondary I/O
Fintek F81216D supports COM3, COM4 (RS232)
IDE Interface
Built in ICH4
IDE1: 40-pin box header (Ultra DMA 33/66/100)
IDE2: 44-pin header
FDD Interface
Supports up to two floppy disk drives: 3.5" and/or 5.25" drives; 3 Mode supporrt (Remarks: Only MB850F has the FDD interface)



- Mini ITX (170mm X 170mm)
- Intel® Pentium® 4 processor, 1.7GHz~3.06GHz
- Intel® 82845GV built-in VGA, AGP 4X, support CRT
- Optional Chrontel CH7017 LVDS supports LCD panel or TV Out
- Realtek 8100BL 10/100Mb LAN controller
- One DDR socket supports up to 1GB Memory
- Digital I/O (4 in/4 out), one PCI slot, AC97, four USB ports, four COM ports

Parallel Port
One parallel port supports SPP/EPP/ECP
Serial Ports
RS-232 x4
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
Digital I/O
4 in / 4 out
Expansion Slots
1 PCI, support 2 bus master
Power Connector
ATX 12V power connector
Form Factor
Mini ITX motherboard
170mm x 170mm
Power Consumption
Power Consumption
Intel® Pentium® 4 processor 2.4GHz (256KB) with 256MB DDR memory
+5V: 3.29A; +12V: 4.83A
Intel® Pentium® 4 processor 3.06GHz (512KB) with 512MB DDR memory
+5V: 3.17A; +12V: 7.14A

Operating Temperature

0C~60C (32F~140F)

Storage Temperature

-20C~80C (-4F~176F)

Relative Humidity

10%~90% (non-condensing)



Ordering Information:

MB850F - Socket 478 Intel® 845GV Mini ITX Motherboard, TV out or LVDS and additional voltages (+3.3V, -12V)
MB850 - Socket 478 Intel® 845GV Mini ITX
MB850MF - Socket 478 Intel® 845GV Mini ITX M/B, TV out or LVDS, supports only Intel® Pentium® 4 processor-M)

Remarks: Add (-R) after the model name for RoHS-compliant version when ordering.

1 x I/O Shield
1 x Driver CD
1 x User's Manual

1 x 44-pin IDE cable, 40-pin IDE cable, 3-COM port cable (IB21)

FF2: 26-pin FDD flexible flat cable (included with Mb850F)


Remarks: MB850F supports TV out and LVDS on board, but these two output cannot be used simultaneously. LVDS can be used with CRT, but TV out cannot be used with CRT simultaneously.