det@hawkmoon.MN.ORG (Derek E. Terveer) (12/01/90)
dsmith@csusac.csus.edu (Dick Smith) writes: >I just bought a Wren III SCSI hard drive from MicroBay Computers at a swap >meet and it doesn't have any documentation. Does anyone have the jumper >settings for this Full height drive? The part number is 94161-155 and [...] According to CDC OEM Manual 77738216-C: drive : ==> open/unselected jumper select [:] ==> closed/shorted jumper jumpers 0 : : : 1 : : [:] 2 : [:] : 3 : [:] [:] 4 [:] : : 5 [:] : [:] 6 [:] [:] : 7 [:] [:] [:] 4 2 1 motor start option | | V [m m] . . t1 i i i p t2 <---- terminator power option drive select--> i i i p t3 ^ 4 2 1 | | parity option mm ==> motor start option, jumper installed means Wren III will wait for Start Unit command from controller, else will start as soon as DC power is applied ii ==> drive select, scsi id pp ==> parity -- jumper installed means parity checking by the Wren III enabled t1,t2 ==> terminator power from interface cable t2,t3 ==> terminator power from Wren III -- Derek Terveer det@hawkmoon.MN.ORG Minnesota Field Hockey Association, North Central Section University of Minnesota Women's Lacrosse, Midwest District