IBM MicroChannel MCA BusLogic BT-646S/D 1002023-01 RevB Qlogic
BusLogic SCSI MCA Adapter
Expansion Card for the MicroChannel Bus
BT-646S/D
this is the 646S single-ended version
1002023-01 RevB Qlogic
'narrow' SCSI
internal 50-pin connector, HPDB50 external port
for IBM PS/2 computers only
ps-2.kev009.com/ohlandl/SCSI/Buslogic_BT646
USED but in good condition. WORKING.
Just the item as pictured, no software, no manuals, no cables, no faceplate
BT-646S/D SCSI Adapter for MicroChannel Systems
32-bit bus master DMA transfers of up to 40MB/second across
the MC bus, up to 10 MB/sec synchronous and up to 7 MB/set asynchronous
SCSI data transfers. Support for up to seven SCSI devices, hard drives
with up to 8GB capacity each. Enhanced SCSI-2 features: scatter-gather,
disconnect-reconnect, and command-tag queuing
BT-646x Host Interface Microprocessor
A 20MHz Intel 80186 16-bit MPU is used to supply the speed
for low command overhead. This MPU coordinates all activity on the BT-646S/D
under the direction of the board�s firmware, including initialization,
command decoding, interrupt generation, and control of the data flow among
the board�s components.
Differences between and 646S and BT-646D
BT-646S Single-ended active termination ,
BT-646D Differential termination
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All UPS shipping includes tracking and insurance.
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No local pickup.
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OVERSEAS BUYERS : (Europe/Asia/Africa/SouthAmerica/Australia):
the STANDARD international shipping rate does not provide tracking or insurance.
UPS Expedited includes tracking and insurance.
UPS Express (if offered) includes tracking and insurance and import brokerage fees.
Do not ask us to misrepresent the value of an item.
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