ABB AV94a HESG440940R11逻辑控制模块
软盘控制器（最多两个驱动器）驱动器A、B P2 Ultra IDE固定磁盘控制器（最多2个驱动器）驱动C、D P2硬件重置RST前面板按钮IBM/PC声音前面板扬声器端口USB端口前面板电源状态、硬盘驱动器活动、VMEbus SYSFAIL和以太网状态LED指示灯前面板VMEbus功能除PC/AT功能外，VMIVME-7740具有以下VMEbus功能：•单插槽，6U高VMEbus板•完整的六线地址修改器（AM代码）可编程性•VME数据接口，带有单独的硬件字节/字交换，用于主和从访问•支持VME64多路MBLT 64位VMEbus块传输•用户配置中断器•用户配置的中断处理器•带可编程VMEbus仲裁器的系统控制器模式（支持PRI、SGL和RRS模式）
Floppy Disk Controller (two drives maximum) Drives A, B P2 Ultra IDE Fixed Disk Controller (two drives maximum) Drives C, D P2 Hardware Reset RST Front Panel Push-Button IBM/PC Sound Front Panel Speaker Port USB Ports Front Panel Power Status, Hard Drive Activity, VMEbus SYSFAIL, and Ethernet Status LED Indicators Front Panel VMEbus Features In addition to its PC/AT functions, the VMIVME-7740 has the following VMEbus features: • Single-slot, 6U height VMEbus board • Complete six-line Address Modifier (AM-Code) programmability • VME data interface with separate hardware byte/word swapping for master and slave accesses • Support for VME64 multiplexed MBLT 64-bit VMEbus block transfers • User-configured interrupter • User-configured interrupt handler • System Controller mode with programmable VMEbus arbiter (PRI, SGL, and RRS modes are supported)
