Specifications

SQ: 5-52
RS3: Service Quick Reference Guide
Consoles
SCSI (Small Computer System Interface) 1984-3301-0001............
1984-1140-0001...................................................
SCSI Card Parts Replacement
Part No
Replaces Characteristics
1984--3301--0001
1984--1140--000x
NOTE: You cannot mix --3301
and --1140 boards in a
MultiTube console.
Requires OI 68020 or 68040
Processor with boot ROM at
least 9.xx (68020) or 10.xx
(68040).
1984--1140--000x Itself only
Cannot be used with a --1140
board in a MultiTube console.
NOTE: With a disk-only console, SCSI termination is required. Use
1984--3301--0001 with the proper termination jumper settings, or use
1984--1140--0003, which has termination resistors.
SCSI Card LEDs
LED
Meaning
DS1
(Green)
No faults are detected on the card.
DS1 lights when the card has passed power up diagnostics.
DS2
(Red)
A fault has been detected on the card. DS2 lights when the card has
failed power up diagnostics.
DS6
(Yellow)
SCSI bus is busy. DS6 is a hardware driven LED and will flicker under
normal operation.
DS7
(Yellow)
Message or status information i s being transferred on the SCSI bus.
DS7 i s driven by the target device and will flicker under normal
operation. A steady ON indicates the bus is locked.
DS8
(Yellow)
Indicates data is being transferred to the tape or drive.
DS8 is driven by a target device and will flicker under normal operation.
A steady ON indicates the bus is locked.
DS9
(Yellow)
Indicates messages or commands are being transferred on the SCSI
bus. DS9 is driven by a target device and will flicker under normal
operation. A steady ON indicates the bus is locked.
DS10
(Yellow)
Direct memory access request. Indicates a data transfer between the
disk or tape and SCSI Interface c ard.
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