Compaq DWZZH User Manual
Page 5
EK–DWZZH–UG. D01
v
Contents
Revision Record………………………………………………………………..
vii
About This Guide………………………………………………………….…..
.ix
1
Introducing the DWZZH UltraSCSI Hub
1.1
UltraSCSI Hub Functions ...................................................................................... 1–1
1.2
Product Descriptions............................................................................................... 1–2
1.2.1
DWZZH 3.5" SBB Hubs................................................................................... 1–2
1.2.2
DWZZH 5.25" SBB Hubs ................................................................................. 1–4
1.2.3
SCSI Bus Components...................................................................................... 1–4
1.3
Product Specifications ............................................................................................ 1–5
2
Using the DWZZH UltraSCSI Hub
2.1
Large Hub Fair Arbitration ..................................................................................... 2–1
2.2
Large Hub Addressing Configurations .................................................................... 2–2
2.3
Narrow Addressing Setting ..................................................................................... 2–3
2.4 Front Panel ............................................................................................................. 2–6
2.4.1
Fair Arb Disable ............................................................................................... 2–6
2.4.2
Indicators.......................................................................................................... 2–7
2.5 Determining the Configuration............................................................................... 2–7
2.6
Selecting the SCSI Cables....................................................................................... 2–7
2.7 Placement of UltlraSCSI Hubs................................................................................ 2–7
3 SWCC and UltraSCSI Hubs...................................................................
3–1
Glossary
Figures
1–1 DWZZH–21 or DWZZH-03 3.5" SBB Hub............................................................. 1–2
1–2 DWZZH–21 Front Panel......................................................................................... 1–3
1–3 DWZZH–03 Front Panel......................................................................................... 1–3
1–4 DWZZH–05 5.25" SBB Hub.................................................................................. 1–4
2–1 DWZZH–05 SCSI ID Assignments......................................................................... 2–3
2–2 DWZZH–05 SCSI Narrow ID Assignments ............................................................ 2–4
2–3 DWZZH–05 SCSI Narrow Addressing Jumper ....................................................... 2–5
2–4 DWZZH–05 SCSI Front Panel................................................................................ 2–6