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3. HARDWARE SETUP
ASUS TRL-DLS User’s Manual
3. H/W SETUP
Connectors
6) Two 68-pin Ultra160 SCSI Connectors (CHA-WIDE, CHB-WIDE)
This motherboard has two 68-Pin Ultra160 SCSI connectors; one for each of the
two channels. Each channel can support a maximum of 15 devices as specified
by Ultra160 standards.
SCSI Connection Notes
This motherboard has two 68-Pin Ultra160 SCSI connectors; one for each of the two
channels.
The onboard SCSI chipset incorporates an advanced multimode I/O cell that supports
both single-ended (SE), Ultra2, and Ultra160 devices. With Ultra160 devices, the SCSI
bus platform performs at full Ultra160 speeds (up to 160MB/sec) and extended cabling
12m (or 25m in a point-to-point configuration). When an SE device is attached, the
bus defaults to an SE speed and 1.5m cable length.
NOTE: Ultra160 SCSI devices do not have termination jumpers and must
use a separate terminator on the last connector (internal) or device (external).
IMPORTANT: Connect SCSI devices as shown. Each channel should have
only one type of SCSI standard (e.g. Ultra160, Ultra2, Ultra-Wide). Mixing SCSI
devices on the same channel decreases performance of the slower device.
TRL-DLS
®
TRL-DLS Onboard SCSI Connectors
3568
34 1
35
6834
1
SCSI-A
68-Pin Ultra160/
Ultra2-Wide SCSI Connector
SCSI-B
68-Pin Ultra160/
Ultra2-Wide SCSI Connector
TRL-DLS
®
TRL-DLS SCSI Connection Example
68-pin Internal SCSI Cable (Twisted-Pair Ribbon)
68-pin Female
Terminator
Internal SCSI Devices (up to 15 devices)
Channel A
68-pin Internal SCSI Cable (Twisted-Pair Ribbon)
68-pin Female
Terminator
Internal SCSI Devices (up to 15 devices)
Channel B