Acrosser Technology AR-B1894 User Manual Download Page 18

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2.3.11

PS/2 Keyboard & Mouse (KBMS1)

2.3.12

LAN LED Connector (LAN_LED1)

PIN No.

Description

Keyboard Data

2 Mouse

Data

Ground

4 +5V
5

Keyboard Clock

6 Mouse

Clock

PIN No.

Description

L1_LED_LINKACT

2 L1_LED_LINK100
3

L1_LED_LINKACT_V

4 L1_LED_LINK1000
5

L2_LED_LINKACT

6 L2_LED_LINK100
7

L2_LED_LINKACT_V

8 L2_LED_LINK1000
9

L3_LED_LINKACT

10 L3_LED_LINK100

L3_LED_LINKACT_V

12 L3_LED_LINK1000

2.3.13

LAN 1/2/3 & USB 1/2 Connectors (LAN2_LAN3, USB1LAN1)

LAN 1/2/3

PIN No.

Description

PIN No.

Description

TX+

2 TX- 6 RX-
3

RX+

4 NC 8 NC

USB 1/2

PIN No.

Description

PIN No.

Description

+5 V (fused)

2 USBP0- 6 USBP1-
3

USBP0+

USBP1+

4 Ground 8 Ground

2.3.14

LCD Inverter Connector (LVDS1)

PIN No.

Description

+12V

2 Ground
3

Backlight On/Off control

Backlight brightness adjustment

+5V

Summary of Contents for AR-B1894

Page 1: ...osser Technology Co Ltd AR B1894 Intel Pentium M Mini ITX Main Board User s Manual V 1 2 Copyright May 2007 All rights reserved All other brand names are registered trademarks of their respective owne...

Page 2: ...pport We hope you to get the maximum performance from your products and be willing to help if running into technical difficulties For the most frequently asked questions it s easily found answers from...

Page 3: ...Configuration Setting shows the definitions and locations of Jumpers and Connectors so that you can easily configure your system Chapter 3 System Installation describes how to properly mount the CPU...

Page 4: ...USB 1 2 Connectors LAN2_LAN3 USB1LAN1 18 2 3 14 LCD Inverter Connector LVDS1 18 2 3 15 LVDS Connector LVDS2 19 2 3 16 Front Side Indicators PANEL1 20 2 3 17 24 pin ATX Power Connector PWR1 20 2 3 18...

Page 5: ...4 2 8 Frequency Voltage Control 44 4 2 9 Load Fail Safe Default 44 4 2 10 Load Optimized Defaults 45 4 2 11 Supervisor User Password Setting 45 4 2 12 Exit Selection 47...

Page 6: ...l ATA high speed data transfers at up to 150 MB s connectors The on board Super I O chipset supports two serial ports one SIR Serial Infrared port two high performance 16C550 compatible UARTs provide...

Page 7: ...E cable One Serial ATA cable One Serial port cable for COM2 One I O Shield bracket One Supporting CD ROM contains User s Manual and internal VGA display driver and Marvell Gigabit Ethernet network con...

Page 8: ...Monitor Monitoring system temperature voltage and cooling fan status Auto throttling control when CPU overheats System automatically restored on recovery of AC power loss Real Time Clock Built in ICH6...

Page 9: ...konTM EC 88E8053 PCI ExpressTM Ethernet controllers Ethernet Interface IEEE 802 3 10 100 1000BASE T Gigabit Ethernet compliant Mechanical Environmental Power Requirement 3 3 V 3 4 A 5 V 359 mA 12 V 1...

Page 10: ...1 4 System Architecture All of details operating relations are shown in AR B1894 system block diagram...

Page 11: ...1 5 Dimensions Unit mm...

Page 12: ...e marked with an asterisk In general jumpers on the Mini ITX are used to select options for certain features Some of the jumpers are designed to be user configurable allowing for system enhancement Th...

Page 13: ...connector CHS_FAN1 Chassis fan connector CPU_FAN1 CPU fan connector COM2 Serial port 2 connector 2 x 5 header DIMM1 DIMM2 240 pin DDR2 SDRAM 1 2 socket DVI1 DVI connector HIROSE GPIO1 GPIO connector 2...

Page 14: ...I slot PWR1 24 pin ATX power connector SATA1 SATA2 Serial ATA 1 2 connector SPK1 Internal speaker connector 1 x 4 header SYS_FAN1 System fan connector USB1LAN1 USB 1 2 LAN 1 connectors USB2 USB3 Inter...

Page 15: ...UDIO1 2 3 4 Audio Connector AUDIO2 PIN No Description 1 F_MIC1 2 Ground 3 F_MIC2 4 5V 5 LOUTR 6 F_R 7 NC 8 NC 9 LOUTL 10 F_L PIN No Description 1 Blue Line in 2 Green Speaker out 3 Red MIC in 2 3 5 CD...

Page 16: ...Transmit Data 4 Data Terminal Ready 5 Ground 6 Data Set Ready 7 Request To Send 8 Clear To Send 9 Ring Indicator 10 Not used VGA Description PIN No PIN No Description Green Signal 2 1 Red Signal NC 4...

Page 17: ...e relayed to the graphics controller via the P OUT TLDET or GPIO 1 TLDET pin pulling low TMDSDATA I O DVI I2C Data This signal is used as the I2C DOC clock for a digital display connector i e TV Out E...

Page 18: ...ACT_V 8 L2_LED_LINK1000 9 L3_LED_LINKACT 10 L3_LED_LINK100 11 L3_LED_LINKACT_V 12 L3_LED_LINK1000 2 3 13 LAN 1 2 3 USB 1 2 Connectors LAN2_LAN3 USB1LAN1 LAN 1 2 3 PIN No Description PIN No Description...

Page 19: ...A0 A_DATA0 24 23 B_DATA0 Ground 26 25 Ground A_DATA1 28 27 B_DATA1 A_DATAP 30 29 B_DATA1 Ground 32 31 Ground A_DATA2 34 33 B_DATA2 A_DATA2 36 35 B_DATA2 Ground 38 37 Ground 12V 40 39 12V Signal Type D...

Page 20: ...power cable that you need attach to a power source power supply PIN No Description 1 Ground 2 Ground 3 NC 4 5V 2 3 20 Internal USB 3 4 5 6 Connectors USB2 USB3 PIN No Description 1 5VSB 2 5VSB 3 DATA_...

Page 21: ...lign with pin 1 of the CPU socket Then Insert the CPU gently seated in place Turn the screw to the lock position Note Do not force the CPU into the socket It may bend the pins and damage the CPU 3 2 I...

Page 22: ...bility don t use memory module without brand You can also use the single or double side DIMM The three DIMMs can be out of order You can install different size of DDRAM module on DIMM1 DIMM2 or all to...

Page 23: ...supports a maximum theoretical bandwidth of 4Gb s each direction the 82915GM GMCH multiplexes the PCI Express interface with DVI CRT support The chipset supports the following modes Bits Per Pixel fr...

Page 24: ...ates transmit receive activity On indicates no activity but link is valid Off link is invalid Green LED indicates Link speed On link speed at 100Mbps Off link speed at 10Mbps Orange LED indicates Link...

Page 25: ...tem i e After the logo appears at the center of the screen please press Delete to enter the BIOS setup program In the BIOS make sure that everything is working fine before you try to optimize it for m...

Page 26: ...Allows you to select the type of displaying standard you are using Available options are EGA VGA CGA 40 CGA 80 and MONO 4 2 1 4 Halt On Select the situation in which you want the BIOS to stop the POST...

Page 27: ...4 2 2Advanced BIOS Features 4 2 2 1 CPU Feature 4 2 2 1 1Delay Prior to Thermal Select the delay thermal time Configuration options 4min 8min 16min 32min...

Page 28: ...ue that exceeds the time it takes to fully boot up your computer This item will monitor the CPU thermal to prevent the CPU damage from high temperature 4 2 2 1 3TM2 BUS Ratio Select the Represents the...

Page 29: ...echnology When you install a CPU featuring Hyper Threading Technology this item will allow you to enable or disable the Hyper Threading technology Options Disabled Enabled default 4 2 2 6 Quick Power...

Page 30: ...epeat when a key is pressed and held down 4 2 2 11 Typematic Delay Msec The typematic delay sets how long after you press a key that a character begins repeating 4 2 2 12 APIC Mode By enabling this op...

Page 31: ...r the latency the faster the transaction Note that some SDRAM modules may not be able to handle the lower latency and will become unstable and lose data Therefore set the DRAM CAS Latency Time to 2 fo...

Page 32: ...er performance than shadowing the system BIOS 4 2 3 7 Video BIOS Cacheable Select Enabled to allow caching of the video BIOS which may improve performance If any other program writes to this memory ar...

Page 33: ...light to conserve its power consumption as increasing the panel transmittance to maintain the same luminance Most displays use either spatial or temporal method to synthesize colors 4 2 3 14 Panel Num...

Page 34: ...or multiple sector read write If the IDE hard drive supports block mode most new drives do select Enabled for automatic detection of the optimal number of block read writes per sector the drive can s...

Page 35: ...the system automatically determines the best mode for each device 4 2 4 3 5 IDE Primary Secondary Master Slave UDMA Ultra DMA implementation is possible only if your IDE hard drive supports it and th...

Page 36: ...u to set the USB 2 0 Controller 4 2 4 3 3 USB Keyboard Support This item allows you to set the system s USB keyboard to Enabled Disabled 4 2 4 3 4 USB Mouse Support This item allows you to set the sys...

Page 37: ...tion to determine the correct polarity or the wrong polarity will prevent a proper IR connection from being established with the IR peripheral 4 2 4 3 4 IR transmission Delay The field enables or disa...

Page 38: ...or controlling power management and Plug n Play features on system devices 4 2 5 2 ACPI Suspend Type This item allows to set the ACPI suspend sleep mode instead of simply turning off a computer In S1...

Page 39: ...to set if the monitor is blanked in Suspend mode The default setting is Yes 4 2 5 7 Suspend Type This item will set the system status to shut down the PC with choices of Stop Grant and PwrOn Suspend...

Page 40: ...new add on and the system reconfiguration has caused such a serious conflict that the operating system cannot boot 4 2 6 3 Resources Controlled By The Award Plug and Play BIOS has the capacity to aut...

Page 41: ...devices compliant with the Plug and Play standard whether designed for PCI or ISA bus architecture 4 2 6 3 2DMA Resources This item allows you to determine the DMA assigned to the ISA bus and is not...

Page 42: ......

Page 43: ...5 Maximum Payload This item allows to set the maximum TLP payload size unit in byte for the PCI Express devices 4 2 7PC Health Status 4 2 7 1 Shutdown Temperature This item allows to shutdown the sys...

Page 44: ...lock 4 2 8 2 Spread Spectrum This is to adjust extreme value of the pulse for EMI test 4 2 9Load Fail Safe Default Use this menu to load the BIOS default values for the minimal stable performance for...

Page 45: ...d the custom BIOS to maximize performance the factory has the right to change these defaults to meet their needs Press Y to load the default values setting for optimal performance system operations 4...

Page 46: ...disabled the system will boot and you can enter Setup freely PASSWORD DISABLED When a password has been enabled you will be prompted to enter it every time you try to enter Setup This prevents an una...

Page 47: ...MOS a special section in memory that stays on after turning the system off The BIOS configures the system according to the Setup selection stored in CMOS when boot the computer next time The system is...

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