DS200DCFBG1BJB燃机卡件,GE中文说明
如果BBRAM中的数据丢失，用户应使用VMEbus P2连接器标签来恢复它。参考MVME197BUG 197Bug调试包用户手册。以太网收发器接口位于MVME197LE总线上工业标准连接器位于MVME712X上过渡模块。82596CA的支持功能由PCCCIP2提供。请参阅82596CA LAN协处理器用户手册和MVME197LE、MVME197DP和MVME197SP单板计算机详细编程信息的程序员参考指南。
DS200DCFBG1BJB燃机卡件SCSI接口MVME197LE通过工业标准SCSI总线提供大容量存储子系统。这些子系统可能包括硬盘和软盘驱动器、流式磁带驱动器和其他大容量存储设备。SCSI接口使用NCR 53C710 SCSI输入/输出控制器实现。53C710的支持功能由PCCchip2提供。请参阅NCR 53C710 SCSI输入/输出处理器数据手册和MVME197LE、MVME197DP和MVME197SP单板计算机详细编程信息的程序员参考指南。SCSI终止系统配置者必须确保SCSI总线正确终止。
在MVME197LE上，终端位于P2过渡板上。SCSI总线终端电阻器的+5V电源由P2提供过渡板。
MVME197LE包含许多用于本地处理器的资源。这些包括滴答计时器、软件可编程硬件中断、看门狗计时器和本地外围总线超时。可编程滴答定时器提供了六个分辨率为1µsec的32位可编程滴答计时器，两个在总线开关中，两个在VMEchip2中，两个在PCCHIP2中。滴答声定时器可以编程为对处理器产生周期性中断。请参阅MVME197LE中的VMEchip2、PCCCIP2和总线开关章节，MVME197DP和MVME197SP单板机程序员参考
详细编程信息指南
If the data in the BBRAM is lost, the user should use the number on the
VMEbus P2 connector label to restore it. Refer to the MVME197BUG 197Bug
Debugging Package User’s Manual.
The Ethernet transceiver interface is located on the MVME197LE main
module, and the industry standard connector is located on the MVME712X
transition module.
Support functions for the 82596CA are provided by the PCCchip2. Refer to the
82596CA LAN Coprocessor User’s Manual and to the PCCchip2 chapter in the
MVME197LE, MVME197DP, and MVME197SP Single Board Computers
Programmer’s Reference Guide for detailed programming information.
SCSI Interface
The MVME197LE provides for mass storage subsystems through the industrystandard SCSI bus. These subsystems may include hard and floppy disk
drives, streaming tape drives, and other mass storage devices. The SCSI
interface is implemented using the NCR 53C710 SCSI I/O controller.
Support functions for the 53C710 are provided by the PCCchip2. Refer to the
NCR 53C710 SCSI I/O Processor Data Manual and to the PCCchip2 chapter in the
MVME197LE, MVME197DP, and MVME197SP Single Board Computers
Programmer’s Reference Guide for detailed programming information.
SCSI Termination
The system configurer must ensure that the SCSI bus is terminated properly.
On the MVME197LE, the terminators are located on the P2 transition board.
The +5V power to the SCSI bus termination resistors is provided by the P2
transition board.Peripheral Resources
The MVME197LE includes many resources for the local processor. These
include tick timers, software programmable hardware interrupts, watchdog
timer, and local peripheral bus timeout.
Programmable Tick Timers
Six 32-bit programmable tick timers with 1 µsec resolution are provided, two
in the BusSwitch, two in the VMEchip2, and two in the PCCchip2. The tick
timers can be programmed to generate periodic interrupts to the processor.
Refer to the VMEchip2, PCCchip2, and BusSwitch chapters in the MVME197LE,
MVME197DP, and MVME197SP Single Board Computers Programmer’s Reference
Guide for detailed programming information
