PSB Speakers PSB-1688LF M1 user manual COM Port Connector, RS-232 RS-422

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Chapter 2 Hardware Configuration

2-4. COM PORT CONNECTOR

COM1 : COM1 Connector, fixed as RS-232.

The pin assignment is as follows :

PIN	ASSIGNMENT
1	NDCDA
2	NSINA
3	NSOUTA
4	NDTRA
5	GND
6	NDSRA		COM1
7	NRTSA
8	NCTSA
9	JNRIA
COM2 : COM2 Connector, selectable as RS-232/422/485.
The pin assignment is as follows :
PIN	ASSIGNMENT
	RS-232	RS-422	RS-485
1	NDCDB	TX-	TX-
2	NRXDB	TX+	TX+
3	NTXDB	RX+	RX+
4	NDTRB	RX-	RX-
5	GND	GND	GND
6	NDSRB	RTS-	NC
7	NRTSB	RTS+	NC
8	NCTSB	CTS+	NC
9	JNRIB	CTS-	NC
10	NC	NC	NC

All COM port’s pin 9 is selectable for RI, +5V and +12V.

For more information, please refer to our “COM Port RI &

Voltage Selection”.

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PSB-1688LF USER′S MANUAL

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Contents USER’S Manual PSB-1688LF Socket FCC Notice Table of Contents Appendix a Expansion BUS Introduction About this Manual Hardware ConfigurationCPU Type System SpecificationIDE Interface Irda Port Safety Precautions Hardware EXKB1 Jumper & Connector Quick Reference Table Component Locations PSB-1688LF Connector, Jumper and Component locationsJumpers and Caps HOW to SET the JumpersJumper Settings Jumper DiagramsRS-232 RS-422 COM Port ConnectorFunction JumperKeyboard PS/2 Mouse Keyboard or PS/2 Mouse ConnectorKeyboard or PS/2 Mouse Selection Hard Disk Drive LED Connector External Keyboard ConnectorReset Connector ATX Power Button External Speaker ConnectorPower LED Connector Pin closed Irda ConnectorClear Cmos Data Selection Universal Serial BUS Connector CPU FAN ConnectorJUSB2 WAKE-ON-LAN ConnectorJP11 RESET/NMI/CLEAR Watchdog SelectionVGA1 VGA ConnectorHard Disk Drive Connector PSB-1688LF User ′S Manual Floppy Disk Drive Connector Printer Connector Compact Flash Power Selection LAN ConnectorCompact Flash MASTER/SLAVE Selection ATX Power Signal ConnectorATXPWR1 Power ConnectorJP6 ATX / AT Power SelectionPpci Epci ConnectorEppci IRQ Selection Memory InstallationLCD1 LCD Panel ConnectorSoftware Utilities Introduction VIA 4IN1 Service Pack DriverFilename Purpose Assume that CD ROM drive is D IntroductionVGA Driver Utility To update VGA Bios for LCD Flat Panel Display Flash Bios UpdateSystem Bios Update Page3-5 LAN Driver Utility Install LAN Driver to Windows 98SE/2000/XPInstall LAN Driver to Windows NT4.0 Installation of Utility for Windows 98SE/ 2000/XP USB2.0 Software Installation UtilityWatchdog disable program Watchdog Timer ConfigurationWatchdog enable program Page3-10 Award Bios Setup Introduction Setup program initial screen Entering SetupCmos Setup screen Standard Cmos FeaturesIDE Primary Master / Slave IDE Secondary Master / Slave Video Drive a and Drive BHalt on Base MemoryAward Hard Disk Type Table Hard Disk AttributesBios Features Setup Screen Advanced Bios FeaturesQuick Power on SELF-TEST Processor Number FeatureFIRST/SECOND/THIRD/OTHER Boot Device Boot UP Floppy SeekTypematic Rate Setting Boot UP Numlock StatusTypematic Delay Msec Gate 20A OptionOS Select for Dram 64MB Video Bios ShadowChipset Features Setup Screen Advanced Chipset FeaturesCurrent FSB Frequency Dram CLOCK/DRIVE ControlCurrent Dram Frequency Dram ClockDram CAS Latency Active to CMD Trcd Dram Command RateAGP & P2P Bridge Control AGP Aperture SizeCPU & PCI BUS Control Memory Hole System Bios CacheableVideo RAM Cacheable IO Channel Check NMIIntegrated Peripherals Integrated Peripherals Setup ScreenVIA Onchip IDE Device IDE Prefetch ModeOnChip IDE Channel 0 Primary Master/Slave PIO Secondary Master/Slave PIOVIA Onchip PCI Device Primary Master/Slave Udma Secondary Master/Slave UdmaOnChip USB Controller USB Keyboard SupportSuper IO Device Init Display First Power Management Setup Screen Power Management SetupPower Management Option Suspend ModeVideo OFF Method Video OFF OptionModem USE IRQ SOFT-OFF by PWR-BTTNIRQ/EVENT Activity Detect IRQ Activity Monitoring RTC Alarm ResumePNP/PCI Configuration Setup Screen PNP/PCI ConfigurationPNP OS Installed Reset Configuration DataIRQ Resources Resource Controlled byDMA Resources PCI/VGA Palette SnoopPC Health Status CPU TemperatureCPU Warning Temerature CPU FAN SpeedFrequency / Voltage Control Setup Screen Shutdown TemperatureFREQUENCY/VOLTAGE Control Auto Detect DIMM/PCI CLKLoad Optimized Defaults Load FAIL-SAFE DefaultsCPU Host / PCI Clock CPU RatioTo Disable the Password Password SettingTo SET a Password Save & Exit Setup Exit Without Saving Expansion BUS ISA BUS PIN Assignment PCI BUS PIN Assignment A-4 Technical Summary CPU Socket Block DiagramIRQ Assignment Interrupt MAPCode Assignment RTC & Cmos RAM MAPDMA Channel Map Assignment Timer & DMA Channels MAPTimer Channel Map Assignment Map Memory MAPMemory Map