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IBT Technologies Inc.; 5405 Thimens; Quebec, Canada H4R 2H4; 1-866-590-4288; info@ibt.ca
MB877 - ATI RS400 Pentium 4 Socket LGA775
High Performance Graphics Mini-iTX Motherboard
(click to zoom)


CPU Socket
CPU Supported
Intel® Pentium 4 / Celeron, up to 3.8GHz
Hyper-Threading supported
CPU Voltage
0.8375V~1.6V (VRD10.1)
ATI RS400 Chipset
North Bridge: ATI RS400
South Bridge: ULi M1573
Processor Operating Frequency
400MHz / 533MHz / 800MHz
L2 Cache
1M level 2 (CPU integrated)
Power Management
APM 1.2
Award BIOS, ACPI supported
System Memory
Two DDR slots
Supports DDR2 400/533/667 SDRAM
Max. 2GB (dual channel)
(ECC function not supported)
ATI RS400 built-in Mobility Radeon 9600 (M10)
Supports AGP8X, VGA CRT and TV-out
(CRT / TV out D-Sub connectors on board)
Marvel 88E8052 PCI Express Gigabit LAN
ULi M1573 built-in sound controller with AC97 codec
ALC655 6 channel
Onboard D-Sub connector (Line-out, Line-in, Mic)
Winbond 83627EHF supports IrDA x 1, Parallel x 1,
COM1, COM2 (RS232), FDC (slim type), hardware monitoring
Secondary I/O
Fintek F81216D supports COM3, COM4 (RS232)
Keyboard Controller
Built in Winbond 83627EHF
IDE Interface
Built in ULi M1573, supports Ultra DMA 33/66/100
IDE1: 40 pin pitch 2.54mm


- Mini ITX (170mm X 170mm)
- ATI RS400 Chipset, 400/533/800MHz FSB
- Supports Intel® Pentium® 4, up to 3.8GHz
- Built-in VGA, AGP 8X, support CRT, TV-out
- PCI Express Gigabit LAN controller
- Two DDR2 sockets support up to 2GB
- Digital I/O, Serial ATA, one PCI slot, AC97
- Four USB ports, four COM ports


FDD Interface
Supports one 3.5" disk drive
Slim type connector
Serial ATA
Built-in UlI M1573 SATA controller
Supports 2 ports
Parallel Port
One parallel port supports SPP/EPP/ECP
Serial Ports
Four RS-232 ports
Watchdog Timer
Generates system reset; 256 levels
Digital I/O
4 in / 4 out
Hardware Monitoring
Built in Winbond W83627EHF; monitors system/ CPU temperature and voltage status
USB 2.0 compliant
Supports 4 USB ports (2 on board, 2 via pin header)
Pin header
Keyboard and Mouse Connector
PS/2 type keyboard and mouse connectors
Expansion Slots
1 PCI, support 2 bus master
I/O Edge Connectors
PS/2 Mouse/Keyboard, 2x USB, printer port, CRT VGA, COM1, RJ45, TV out, audio
Power Connector
ATX 12V power connector
System Voltages
+5V, +12V, -12V, 5VSB, 3.3V
Form Factor
Mini ITX motherboard
170mm x 170mm
Power Consumption
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)

MB877 I/O
MB877 Edge Connectors
Ordering Information

MB877 - LGA775 ATI RS400 Mini ITX Motherboard, PCI Express Gigabit LAN, CRT, TV out, 4 COM Ports, SATA AN0008 -1U Copper Heatsink / Blower for MB877


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