Siemens Nixdorf D970, Technical Manual

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Introduction
Features
2
A26361-D970-Z120-3-7619
Features
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Dual processor system (second processor optional)
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Processor: Pentium Pro, 166 MHz and 200 MHz with integrated 16 Kbytes
first-level cache and 256 or 512 Kbytes second-level cache
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Voltage regulator which sets itself automatically to the required voltage range
(2.1 V to 3.5 V)
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Prepared for Pentium Pro OverDrive-Processor (OverDrive - ready)
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Intel 82440FX chipset with ISA bridge
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72-bit data bus (64-bit data and 8-bit parity)
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32 Mbyte to 1 Gbyte main memory for buffered DIM modules, EDC
protected (4 banks)
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4 Mbit Flash BIOS
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6 PCI slots, 2 ISA slots (1 slot shared)
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Monitor controller connected to PCI bus, graphics processor Cirrus Logic CL-
GD5436, 1 Mbyte DRAM video memory, upgrade to 2 Mbytes possible
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Siemens-ASIC for Server Management
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Ultra-Wide SCSI controller AIC 7880P
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IDE hard disk controller connected to PCI bus for two IDE drives
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Real-time clock/calendar with integrated battery backup
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Floppy disk controller (up to 2.88 Mbytes format)
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Connector for loudspeaker, two fans, remote-On/Off, wide SCSI drive, floppy
disk drive, IDE disk drive, control panel and service, temperature sensor
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Video connector
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Parallel interface (ECP- and EPP-compatible)
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Two serial ports (compatible 16550, 16-Byte-FIFO)
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PS/2 mouse port, PS/2 keyboard port
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CAN bus port for control of external drive cabinets
(CAN = Controller Area Network)
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Security functions in BIOS
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Server management support