[. . . ] Support cost efficient CPU, - Celeron-128K 500~700 MHz in PPGA type - Pentium III 500~850 MHz in FC-PGA type b. Support one most flexibility of 32-bit Cardbus slot and PCMCIA card 1. 1. 2 Hardware specification A. CPU: Celeron-128K 500MHz to 700MHz · System bus frequency at 66 MHz · Dynamic execution microarchitecture · MMX technology capability · Optimized for 32 bits AP and OS · Power Management capability · Integrated 32KB instruction and data L1 cache · Integrated 128 KB instruction and data L2 cache Pentium III 500MHz and 850MHz · System bus frequency at 100MHz · On-die 256KB L2 advanced transfer cache with ECC · Dual independent bus architecture · SIMD extensions for enhanced video, sound and 3D performance 340S2 2 Rev : B Chapter 1 General System Description · · · · · · · Dynamic execution micro architecture Power management capability Optimized for 32bits AP and OS Integrated 16KB instruction and 16KB data L1 cache 256bit cache data bus 8-way cache associatively ECC for system bus data B. Core Logic SIS 630 · Support 66/100 MHz FSB · Power management capability · Integrated AGP bus 2D/3D video processor · Direct DVD MPEG-2 and AC-3 playback · Accelerator for Direct 3D API · Frame buffer share system memory up to 32MB · Support PC100 VCM SDRAM · Full support of ACPI and OS directed power management · Integrated IDE controller support 2 channel ultra DMA transfers up to 66 MB/sec · Integrated USB root hub · Integrated audio controller with 64-voices Direct Sound channel support · Integrated HSP modem · Forwards PCI I/O and memory cycles into LPC bus C. [. . . ] try another working printer and cable Re-test OK? Yes Correct it No No Setup OK?Yes Replace motherboard Correct it Board level troubleshooting Check PIO controller, for cold solder? Yes Re-solder No One of the following parts on the motherboard maybe defective, plug PIO loopback at PIO port one a time and test, if error replace PIO controller 340S2 66 Rev : B Chapter 5 Troubleshooting Guidelines 5. 13 Audio failure Symptom: No sound from speaker after audio drive is installed. 2. check whether cables, speakers & audio drivers are installed properly try another working speaker & cable Yes Re-test ok?Yes Replace motherboard Correct it Correct it Board-level troubleshooting Check SIS 630 Chipset for cold Solder Yes Re-soldering No One of the following parts on the motherboard may be defective, replace the audio controller chip 340S2 67 Rev : B Chapter 5 Troubleshooting Guidelines 5. 14 No power symptom: Symptom: When the power button is pressed, nothing happens, power indicator is not light up. No Power Yes Check Fuse on DC/DC Board if open Replace it No Yes Check DC/DC Board Signal or replace each parts. Correct it No Press Power on button again Check system LED lit on 340S2 68 Rev : B Chapter 5 Troubleshooting Guidelines 5. 15 CD-ROM drive test error An error message is shown when reading data from CD-ROM drive CDROM Failure No Check drive is install OK?Correct it Yes Check cable & Door is closed Yes Replace Motherboard No Correct it Board Level Troubleshooting Check SIS 630 Chipset and CDROM connector for cold solder? Yes Re-soldering No Check one of the following parts or signal on the M/B may be defective, use an oscilloscope to check it. 340S2 69 Rev : B Chapter 5 Troubleshooting Guidelines 5. 16 Stopping in LCD screen while booting Stop in LCD Screen while booting No Check Memory Size is correct?Yes Record LCD message & to Board­level Troubleshooting Check HDD detection is OK?Yes No Make sure HDD is good &Check BIOS setting No Check CD-ROM Detection is OK?Yes Stop in LCD screen while booting Make sure CD-ROM Is good & Check BIOS Settings Check CPU & SIS630 for cold soldering?Yes Re-soldering No Check one of the following parts or signal on the M/B may be defective, use an oscilloscope to check it. 340S2 70 Rev : B Chapter 5 Troubleshooting Guidelines 5. 17 PCMCIA CardBus failure Symptom : when insert PCMCIA card to PCMCIA slot, but system can't detect. PCMCIA card failure Insert PCMCIA card completely again, make sure good connection. Check drive & controller install OK?making alternations in the system configuration such as installing a video adapter, etc. ) 340S2 Rev : B Index UNIWILL COMPUTER CORP. 24 Pei Yuan Road Chung Li Industrial Park, Chung Li City Tao Yuan Hsien, Taiwan R. O. C. TEL: 886-3-461-6000 FAX: 886-3-461-6317 URL: http:// www. uniwill. com. tw/ 340S2 Rev : B t Table of Contents Chapter 1. General System Description Contents : 1. 1 System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 1. 1 General Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 1. 2 Hardware Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 2 System Specification 1. 2. 1 System Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 2. 1 System Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 2. 2 LCD Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 2. 3 Power Plans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 2. 4 Power Source Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] 5. 6 Keyboard test error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. 7 Touch pad test error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. 8 Diskette drive test error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. 9 Hard disk drive test error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]