Installation manual

Table Of Contents
Address Jumper Settings
J4
PIN SETTING DESCRIPTION TARGET
1, 2, 4 Out Drive select Target 0
1 In Drive select Target 1
2 In Drive select Target 2
1, 2 In Drive select Target 3
Notes
Remove the terminators from the underside of the drive.1.
Terminate the Sun386i with external terminator 530-1381.2.
Sun-3/470, Sun-4/370, and Sun-4/470 systems with dual option trays are terminated internally
on the 501-1493 Interface PCB. The left side tray must be installed to terminate the SCSI bus.
3.
Sun-4/370 and Sun-4/470 systems with a single option tray are terminated externally with
terminator 150-1346.
4.
Terminate the External Storage Module with terminators 530-1381 or 150-1785.5.
Terminate the Sun-4/330 on the SCSI-Out PCB with three 220/330 terminators, 120-1608-01.6.
Format Utility Notes
The 94171-327 has fewer cylinders than the 94171-344.1.
The SunOS 4.x format utility fails if the 94171-327 is used with the standard format.dat entry
on any system other than a Sun386i.
2.
Use the following format.dat entry for the 94171-327 on SunOS 4.x.
disk_type = "CDC Wren IV 94171-327" \
: ctlr = SCSI : fmt_time = 4 : cache = 0x11: trks_zone = 9 \
: asect = 3 : ncyl = 1520 : acyl = 2 : pcyl = 1549 : nhead = 9 \
: nsect = 46 : rpm = 3600 : bpt = 20833
3.
Solaris 2.x includes an entry for the 94171-327 in format.dat. Remove the comment symbol "#"
to use the entry.
4.
References
386i Field Service Manual, 814-0002-10.1.
327MB Embedded SCSI Configuration Procedures, 814-1015-01.2.
5 1/4-Inch Disk Drive Installation in the 12-Slot Office Pedestal Manual, 813-1055-10.3.
Sun 327 Mbyte SCSI Disk Configuration Manual, 813-2048-03.4.
Sun4/I: SCSI Disk - CDC 94171-327/344 (327MB)
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