Service Reference Guide HP Compaq vc4815 Thin Client Document Part Number: 480421-001 January 2008

2 Spare Parts Lists vc4815 Series Spare Parts List The spare parts tables that follow provide a listing of the spare parts available for the Thin Cl

3 HP vc4815 Series Setup (F10) Utility Using HP vc4815 Series Setup (F10) Utility The Setup utility can be accessed only by turning the computer on or

HP vc4815 Series Setup (F10) Utility 4. Use the arrow (up and down, or left and right) keys to select the appropriate heading, then press the Enter k

HP vc4815 Series Setup (F10) Utility vc4815 Series Setup Utility (Continued) Heading Option Description System Date Allows you to set the date Syste

HP vc4815 Series Setup (F10) Utilityvc4815 Series Setup Utility (Continued) Heading Option Description USB Controller Enable/disable USB controller

HP vc4815 Series Setup (F10) Utility HP vc4815 Series Setup (F10) Utility Heading Option Description vc4815 Series Setup Utility (Continued) Heading

4 Diagnostics and Troubleshooting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audi

Diagnostic Front Panel LEDs and Audible Codes Possible Cause Beeps & LED blink Activity Recommended Action System unable to power on. None System

5 Reload Flash Image and BIOS System Requirements To create a recovery device for the purpose of reflashing or restoring the software image on the ROM

Reload image and system BIOS Hainan Image Reloading 1, Download the Image file *.gho from web. 2, Make a DOS Bootable USB flash drive(>=51

© 2008 Hewlett-Packard Development Company, L.P. HP, Hewlett Packard, and the Hewlett-Packard logo are trademarks of Hewlett-Packard Company in the U

6 Thin Client vc4815 Specifications Specifications - vc4815 Series Item Description Processor VIA C7 1GHz Chipset VIA CN700 + 8237R Op

Specifications - vc4815 Series Item Description Flash Memory 512 MB , 1GB, 2GB, Apacer ADMII series 44PIN 180 degree DOM Memory System Memor

I/O ports and connectors Four USB ports (two in front, two in rear), 4 serial, one parallel, one RJ-45, two PS/2 Resident Operating System Redflag

Dimensions H x W x D (approximate) Without stand 235 x 60 x 195 mm Weight (approximate) Without stand 1.9 kg Temperature range on 50° to 104° F (10°

Appendix A HP Compaq vc4815 系列串口定义用户指南 HP Compaq vc4815终端默认具有4个串口，分别为串口一、串口二，串口三、 串口四。 定义 引脚 主口 （串口1） 辅口1 （串口2） 辅口2 （串口3） （TTL） 辅口3 （串口4）

HP Compaq vc4815终端默认出厂设置 定义 引脚 主口 （串口1） 辅口1 （串口2） 辅口2 （串口3） （TTL） 辅口3 （串口4） 1脚 DCD DCD DCD DCD 2脚 RXD RXD RXD RXD 3脚 TXD TXD TXD TXD 4

主口（串口1）定义： 定义 引脚 主口 （串口1）1脚 DCD/ +5V 2脚 RXD 3脚 TXD 4脚 DTR/ +12V5脚 GND 6脚 DSR 7脚 RTS/+12V 8脚 CTS/RXD（TTL） 9脚 RI/TXD（TTL）

跳线器默认如上图所示 COMA_JP1：更改跳线器将其置左(2连接3)，可为主口（串口1）的1脚取＋5V COMA_JP2：更改跳线器将其置左(2连接3)，可为主口（串口1）的4脚取＋12V COMA_JP3：更改跳线器将其置左(2连接3)，可为主口（串口1）的7脚取＋12V COMA_JP

辅口2（串口3）（TTL）定义： 定义 引脚 辅口2 （串口3） （TTL） 1脚 +5V / DCD 2脚 RXD/TXD 3脚 TXD/RXD 4脚 NC/DTR 5脚 GND 6脚 NC/DSR 7脚 NC/RTS 8脚 RXD/TXD(TTL)9脚 TXD

跳线器默认如上图所示 COMB_JP1：更改跳线器将其置右(2连接3)，可为辅口2(串口3)(TTL)的1脚取 +5V COMB_JP2：更改跳线器将其置左(2连接3)，可为辅口2(串口3)(TTL)的2脚取

Product Description Network Firmware ...1–1 HP

辅口1（串口2）与 辅口3（串口4）定义： 定义 引脚 辅口1 （串口2） 辅口3 （串口4） 1脚 +5V / DCD +5V / DCD 2脚 RXD RXD 3脚 TXD TXD 4脚 DTR/+5V /+12V DTR/+5V /+12V 5脚 GND GN

跳线器默认如上图所示 COMC_JP1：更改跳线器将其置下(2连接3)，可为辅口1（串口2）的1脚取+5V COMC_JP2：更改跳线器将其置下(2连接3)，可为辅口1（串口2）的7脚取＋12V COMCD_JP1： COMCD_JP1 DTR +5V +5V +12V 辅口1第 4脚 7

Contents Upload the Flash Image and system BIOS Upload the Flash image and BIOS ...

1 Product Description The HP Compaq Thin Client vc4815 Series are Redflag Linux-based terminals that connect over a network to a server where all proc

Product Description HP Compaq Thin Client vc4815 Series Front view - vc4815 1 Power button 3 Flash activity LED 2 Power LED 4 USB ports (2) Service

Product Description Product Description HP Compaq Thin Client vc4815 Series Rear View of the vc4815 1 PS/2 connectors (2) 5 Power connector 2 Serial

Product Description Serial Number Location The serial number is displayed on the side of the unit. Connecting USB Equipment USB mouse devices and key

Product DescriptionLocating Additional Information The following documentation is available to support these products:  Quick Setup  Hardware Refe