Western Digital WDE2170 - Manual (Page 6)

Table of Contents WD Enterprise WDE2170/WDE4360
RELEASED 04-08-97 4079-001045 Rev. B ii
3.15. LED Support ......................................................................................................................... 23
3.16. Option Block Functions ......................................................................................................... 24
3.17. Error Recovery Operations .................................................................................................... 25
3.18. Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) ..................................... 25
3.19. Hot Plug/Unplug Support ...................................................................................................... 26
4. SCSI I NTERFACE AND C OMMAND S ET
.............................................................. 27
5. T HE O PTION B LOCK ........................................................................................ 28
5.1. Physical Characteristics......................................................................................................... 28
5.2. Pin Designation..................................................................................................................... 28
5.3. Option Block Pin Assignments .............................................................................................. 29
5.4. SCSI ID Jumper Table........................................................................................................... 30
6. SCSI C ONNECTORS ........................................................................................ 31
6.1. Power Connectors and Cables................................................................................................ 31
6.2. SCSI Physical Interface ......................................................................................................... 31
6.3. 50-Pin SCSI Connector ......................................................................................................... 32
6.4. 68-Pin SCSI Connector ......................................................................................................... 34
6.5. 80-Pin (SCA-2) SCSI Connector ........................................................................................... 36
7. I NSTALLATION AND M AINTENANCE .................................................................... 38
7.1. Electrostatic Discharge (ESD) Protection............................................................................... 38
7.2. Maintaining the Drive ........................................................................................................... 38
8. T ECHNICAL S UPPORT ...................................................................................... 39
9. G LOSSARY
...................................................................................................... 40
10. A PPENDIX A. — U NDERSTANDING THE M ODEL N UMBER .................................... 43
11. I NDEX
............................................................................................................. 44