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B Specifications
Table B-1 A7173A Adapter Features and Specifications
6.6 X 4.0 inches (standard bracket)
(167.6 X 106.7 mm)
Dimensions (excluding bracket)
ISA / EISABracket
15 WPower Required
0 to 55 degrees C (dry bulb)Operating Temperature Range
-40 to 105 degrees C (dry bulb)Storage and Shipping Temp. Range
5% to 90% non-condensingOperating, Storage, and Shipping Relative
Humidity
32 degrees CMaximum Dew Point Temperature
LSI53C1030Processor Type
Maximum 320 Mbytes/s per channel (Ultra320), as well as Ultra160,
Ultra2, Ultra, and Fast
Synchronous offsets up to 62
Data Transfer Rate
— Full 64-bit Direct Memory Access (DMA) bus master
— Zero wait-state bus master data bursts
— PCI-X Universal 3.3 V / 5 V bus support (133 MHz, 64 bit edge
connector adapter)
— Compliance with PCI Local Bus Specification, Revision 2.2 and
PCI-X Addendum Revision 1.0a.
PCI Interface
133 MHz, 64 bit edge connector
(universal 3.3 V / 5 V bus support)
PCI-X Bus Connector Type
The A7173A adapter and its driver conform to the ANSI T10 SCSI
Parallel Interface-4 (SPI-4) standard
SCSI Standard Compliance
— Two 68-pin Very High Density Cable Interconnects (VHDCI)
for the two external channels
— Two 68-pin High Density (HD) connectors for the two internal
channels
SCSI Connections
Two independent Ultra320 SCSI channels: synchronous or
asynchronous, 16-bit (Wide) Single Ended (SE) or 16-bit (Wide)
Low Voltage Differential (LVD)
SCSI Channels
15 SCSI devices per channel, in addition to the A7173A adapterMaximum SCSI Devices Connected
— Maximum LVD cable length of 12 meters with multiple SCSI
devices (25 meters point-to-point)
— Maximum SE cable length of 6 meters with a maximum of 8
SCSI devices
Maximum SCSI Cable Length
— LVD/SE: On-board termination, enabled or disabled with a
hardware jumper.
— SCSI termination power source with auto-resetting circuit
breaker (TERMPWR)
SCSI Bus Termination
16-bit SE or LVD interfacesSignaling
Yes, for boot code and firmwareFlash ROM
71