Asus TR-DL TR-DLS User Manual - Page 34
SCSI Connection Notes
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3. HARDWARE SETUP 6) Two 68-pin Ultra160/320 SCSI Connectors (SCSI-A, SCSI-B) This motherboard has two 68-Pin Ultra160/320 SCSI connectors; one for each of the two channels. Each channel can support a maximum of 15 devices as specified by Ultra160 standards. SCSI-A 68-Pin Ultra160/ 1 35 Ultra2-Wide SCSI Connector TR-DLS 34 1 68 35 SCSI-B 68-Pin Ultra160/ Ultra2-Wide SCSI Connector 3. H/W SETUP Connectors 34 68 TR-DLS Onboard SCSI Connectors 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 Ultra160/320 devices. With Ultra160/320 devices, the SCSI bus platform performs at full Ultra160/320 speeds (up to 160MB/sec or 320MB/s) 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. IMPORTANT: Connect SCSI devices as shown. Each channel should have only one type of SCSI standard (e.g. Ultra160/320, Ultra2, Ultra-Wide). Mixing SCSI devices on the same channel decreases performance of the slower device. 68-pin Internal SCSI Cable (Twisted-Pair Ribbon) Channel A TR-DLS 68-pin Female Internal SCSI Devices (up to 15 devices) Terminator 68-pin Internal SCSI Cable (Twisted-Pair Ribbon) Channel B Internal SCSI Devices (up to 15 devices) 68-pin Female Terminator TR-DLS SCSI Connection Example NOTE: Ultra160/320 SCSI devices do not have termination jumpers and must use a separate terminator on the last connector (internal) or device (external). 34 ASUS TR-DLS User's Manual