INTRODUCTION

MB890 User’s Manual 3

MB875 Specifications
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CPU Type Intel ULV Celeron M CPU or Intel Pentium M CPU
CPU Voltage 0.700V ~ 1.708V
CPU Speed 600MHz
CPU FSB 400MHz
Cache 512K Level 2 (CPU integrated)
CPU Socket BGA on board or socket 479
Chipset Intel 852GM Chipset:
GMCH: 852GM 732-pin mFCBGA
ICH4: 82801DB 421-pin BGA,
Green /APM APM1.2
BIOS Award BIOS, supports ACPI Function
Memory Two DDR266/333 DIMM sockets, support up to 2GB
SDRAM
VGA 2x8 pins pin-header x 1 for VGA
LAN Intel 82541PI gigabit Ethernet x 4
[ LAN1 & LAN2 Bypass ]
USB Intel ICH4 built-in USB2.0 controller, supports 6 ports
- 2 ports @front of unit for USB_0,1
- 1x 4 pins pin-header x 2 for USB_2,3
SATA Silicon Image SiL3512 PCI to 2 SATA (1.5Gb/s) ports
IDE Interface Two channels; support Ultra DMA 33/66/100
LPC I/O Winbond W83627HF: COM1/2 (RS232), PS/2
Keyboard/Mouse controller & Hardware monitor (3
thermal inputs, 6 voltage monitor inputs, 3 Fan Headers).
Fintek 81216 : COM3/4
RTC/CMOS Intel ICH4 built-in RTC with onboard Lithium Battery
Edge
Connectors /
LED / Button
@front side
DB9 (male) x1 for COM1 (console port)
Dual USB stack connector x1 for USB 0, 1
RJ45 (w/ dual status LED) x 4
GPInput Switch x 1
Power LED x 1 (Green x 1 )
HDD Access LED x 1 (Red x 1 )
GPO LED 1/2 x 2 (Green x 1, Red x 1 )
On Board
Connectors /
Headers
SATA connector x2 for SATA HDD
40 pins, 2.54mm, box-header x1 for IDE1
44 pins, 2.0mm, box-header x1 for IDE1
Compact flash type II socket x1 for CF on IDE2 bus
10 pins, 2.54mm, pin-header x1 for PS/2 KB/mouse
2 pins, 2.54mm, pin-header x 1 for Reset button
Expansion PCI (33MHz/32-bit) slot x1
Mini PCI x 1
Power Connector ATX power connector
Dimensions 180mm x 270mm