ALSTOM N895600512D N895600051C N895600200Q工控控制卡件
1.產(chǎn) 品 資 料 介 紹：
中文資料：
Centronics（并行）打印機(jī)端口? 帶DMA的以太網(wǎng)收發(fā)器接口? 187 Bug調(diào)試監(jiān)視器固件板載內(nèi)存夾層模塊ALSTOM N895600512D N895600051C N895600200Q板載DRAM夾層板有不同尺寸，并具有可編程奇偶校驗(yàn)保護(hù)或錯(cuò)誤檢查與糾正（ECC）保護(hù)。? 主板和單個(gè)夾層板一起占用一個(gè)插槽。? 摩托羅拉軟件支持在同一主板上混合奇偶校驗(yàn)和ECC存儲(chǔ)板。
夾層板大小為4、8、16或32 MB（奇偶校驗(yàn)），或4、8，16、32、64或128 MB（ECC）可以堆疊兩個(gè)夾層板以提供256MB的板載RAM（ECC）或64MB（奇偶校驗(yàn)）。堆疊配置需要兩個(gè)VME總線插槽。? DRAM是四路交錯(cuò)的，以有效地支持高速緩存突發(fā)周期。? 奇偶校驗(yàn)mezzanies僅在25 MHz主板上受支持。
SCSI大容量存儲(chǔ)接口ALSTOM N895600512D N895600051C N895600200Q通過(guò)行業(yè)標(biāo)準(zhǔn)SCSI總線提供大容量存儲(chǔ)子系統(tǒng)。這些子系統(tǒng)可能包括? 硬盤(pán)和軟盤(pán)驅(qū)動(dòng)器? 流式磁帶驅(qū)動(dòng)器? 其他大容量存儲(chǔ)設(shè)備。
英文資料：
Centronics (parallel) printer port ? Ethernet transceiver interface with DMA ? 187Bug debug monitor firmware Onboard Memory Mezzanine Module The ALSTOM N895600512D N895600051C N895600200Q onboard DRAM mezzanine boards are available in different sizes and with programmable parity protection or Error Checking and Correction (ECC) protection. ? The main board and a single mezzanine board together take one slot. ? Motorola software supports mixed parity and ECC memory boards on the same main board.
Mezzanine board sizes are 4, 8, 16, or 32 MB (parity), or 4, 8, 16, 32, 64, or 128 MB (ECC); – Two mezzanine boards may be stacked to provide 256MB of onboard RAM (ECC) or 64 MB (parity). The stacked configuration requires two VMEbus slots. ? The DRAM is four-way interleaved to efficiently support cache burst cycles. ? The parity mezzanines are only supported on 25 MHz main boards.
SCSI Mass Storage Interface The ALSTOM N895600512D N895600051C N895600200Q provides for mass storage subsystems through the industry-standard SCSI bus. These subsystems may include ? Hard and floppy disk drives ? Streaming tape drives ? Other mass storage devices.
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