MYLEX CORPORATION DAC960SX (DBX960S-3-UDR) DAC960SX (DBX960S-6-UDR) DAC960SX (DBX960S-6-FWR) Card Type Hard drive controller card Processor RISC Maximum Onboard Memory 128MB DRAM (EDO supported) Hard Drives supported Up to 30 Ultra SCSI devices Floppy drives None supported Data Bus Up to two host Single-ended/Differential Wide Ultra-SCSI channels Form Factor Size 5.25 inch RAID levels supported 0, 1, 0+1, 3, 5, JBOD [Image] CONNECTIONS Function Location Function Location LCD panel interface J1 Diagnostic port J6 Battery back-up J2 Edge connector J7 Daughterboard connector J3 Edge connector J8 1 Daughterboard connector J4 2 USER CONFIGURABLE SETTINGS Function Label Position » Channel 0 termination enabled J5/pins 1 & 2 Closed Channel 0 termination disabled J5/pins 1 & 2 Open » Channel 1 termination enabled J5/pins 3 & 4 Closed Channel 1 termination disabled J5/pins 3 & 4 Open » Host channel 0 termination J5/pins 5 & 6 Closed enabled Host channel 0 termination J5/pins 5 & 6 Open disabled » Factory configured - do not J5/pins 7 & 8 Open alter » Factory configured - do not J5/pins 9 & 10 Open alter DRAM CONFIGURATION Size Bank 0 8MB (2) 1M x 36 16MB (2) 2M x 36 32MB (2) 4M x 36 64MB (2) 8M x 36 128MB (2) 16M x 36 TERMINATION CONFIGURATION Notes: When using differential SCSI, external termination must be used and termination on the controller and daughterboard must be disabled. I.e., all termination jumpers (JP1/1-JP1/5) should be opened. (See User Configurable Settings.) If Narrow SCSI (8-bit) is connected to any channel, the controller must be at one end of the bus with termination enabled (J5) on that channel. If dual mode system, terminate SCSI bus externally. MISCELLANEOUS TECHNICAL NOTES The DAC960SX controller (which can reside within a DAC9060SXI enclosure) interfaces between the host system and a disk array. The controller is installed with one of several distribution boards: DBX960X-3-UDR, DBX960S-6-FWR and DBX960S-6-UDR. A DBI960SX daughterboard can be installed with the latter two, providing a 3 channel upgrade. A battery backup unit can be installed with all. DBX960SXI (ENCLOSURE) [Image] DBX960SXI Front Panel CONNECTIONS Function Location Function Location ESC key/return to J1 Alarm key/reset ALARM previous screen audible alarm Keys defined by J2-J5 Unidentified J7 Instruction Line (last line of the LCD display menu Enter key/execute J6 selected functions Card Type Distribution board Hard Drives supported Up to 12 UltraSCSI Wide/Narrow devices Floppy drives supported None Data Bus One host Differential Wide Ultra-SCSI channel [Image] Distribution Board DBX960S-3-UDR CONNECTIONS Function Location Function Location 10-pin serial port - J1 50-pin SCSI channel J8 internal 1 connector - internal 68-pin SCSI connector - J2 Power connector J9 host channel 0 10-pin connector - dual J3 18-pin connector - J10 controller channel 1 fault communications port indicator 68-pin SCSI channel 0 J4 18-pin connector - J11 connector - internal channel 0 fault indicator 50-pin SCSI channel 0 J5 20-pin connector - J12 connector - AEMI (Array Enclosure internal Management Interface) 68-pin SCSI channel 1 J7 Power connector J13 connector - internal USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter J6/5 N/A » Serial port protocol is SLP1 J6/6 Open Serial port protocol is VT100 J6/6 Closed » Factory configured - (serial port J6/7 Closed baud rate is 19.2) » Controller is only controller in J6/8 Closed system or Controller is primary in two controller system Controller is secondary in two J6/8 Open controller system HOST CHANNEL SCSI ID SELECTION SCSI ID JP6/1 JP6/2 JP6/3 JP6/4 0 Open Open Open Open 1 Closed Open Open Open 2 Open Closed Open Open 3 Closed Closed Open Open 4 Open Open Closed Open 5 Closed Open Closed Open 6 Open Closed Closed Open 7 Closed Closed Closed Open 8 Open Open Open Closed 9 Closed Open Open Closed 10 Open Closed Open Closed 11 Closed Closed Open Closed 12 Open Open Closed Closed 13 Closed Open Closed Closed 14 Open Closed Closed Closed 15 Closed Closed Closed Closed TERMINATION CONFIGURATION Note: Differential resistor packs RP1, RP2 and RP3 must be installed to enable Host Channel 0 termination and removed to disable termination. Card Type Distribution board Hard Drives supported Up to 30 UltraSCSI Wide/Narrow devices Floppy drives supported None Data Bus Up to two host Ultra-SCSI Wide channels [Image] Distribution Board DBX960S-6-FWR CONNECTIONS Function Location Function Location 68-pin SCSI drive J1 20-pin connector - AEMI J10 channel 2 (Array Enclosure connector - Management Interface) internal 68-pin SCSI drive J2 Power connector J11 channel 0 connector - internal 68-pin SCSI drive J3 10-pin serial port J12 channel 3 connector connector - internal 68-pin SCSI drive J4 18-pin connector - J13 channel 1 drive channel 1 fault connector - indicator internal 68-pin SCSI host J5 18-pin connector - J14 channel 1/drive drive channel 0 fault channel 4 - indicator internal 68-pin SCSI host J7 18-pin connector - J15 channel 0 drive channel 2 fault connector - indicator internal Power connector J8 18-pin connector - J16 drive channel 3 fault indicator 18-pin connector - J9 10-pin connector - dual J17 drive channel 4 controller fault indicator communications port Note: Host channel 1 and drive channels 2 and 3 are only available if daughterboard DBI960SX is installed. USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter J6/5 N/A » Serial port protocol is SLP1 J6/6 Open Serial port protocol is VT100 J6/6 Closed » Factory configured - (serial port J6/7 Closed baud rate is 19.2) » Controller is only controller in J6/8 Closed system or Controller is primary in two controller system Controller is secondary in two J6/8 Open controller system HOST CHANNEL 0 SCSI ID SELECTION SCSI ID JP6/1 JP6/2 JP6/3 JP6/4 0 Open Open Open Open 1 Closed Open Open Open 2 Open Closed Open Open 3 Closed Closed Open Open 4 Open Open Closed Open 5 Closed Open Closed Open 6 Open Closed Closed Open 7 Closed Closed Closed Open 8 Open Open Open Closed 9 Closed Open Open Closed 10 Open Closed Open Closed 11 Closed Closed Open Closed 12 Open Open Closed Closed 13 Closed Open Closed Closed 14 Open Closed Closed Closed 15 Closed Closed Closed Closed HOST CHANNEL 1 SCSI ID SELECTION SCSI ID J6/9 J6/10 J6/11 J6/12 0 Open Open Open Open 1 Closed Open Open Open 2 Open Closed Open Open 3 Closed Closed Open Open 4 Open Open Closed Open 5 Closed Open Closed Open 6 Open Closed Closed Open 7 Closed Closed Closed Open 8 Open Open Open Closed 9 Closed Open Open Closed 10 Open Closed Open Closed 11 Closed Closed Open Closed 12 Open Open Closed Closed 13 Closed Open Closed Closed 14 Open Closed Closed Closed 15 Closed Closed Closed Closed Card Type Distribution board Hard Drives supported Up to 24 UltraSCSI Wide/Narrow devices Floppy drives supported None Data Bus Up to two Differential Wide Ultra-SCSI channels [Image] Distribution Board DBX960S-6-UDR CONNECTIONS Function Location Function Location 68-pin SCSI drive J1 68-pin SCSI host J7 channel 2 connector channel 0 connector - internal - internal 68-pin SCSI drive J2 Power connector J8 channel 3 connector - internal 68-pin SCSI drive J3 10-pin serial port J9 channel 0 connector connector - internal 68-pin SCSI drive J4 80-pin connector - J10 channel 1 connector fault and status - internal port 68-pin SCSI host J5 10-pin connector - J11 channel 1 connector reserved for testing - internal USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter J6/5 N/A » Serial port protocol is SLP1 J6/6 Open Serial port protocol is VT100 J6/6 Closed » Factory configured - (serial port J6/7 Closed baud rate is 19.2) » Controller is only controller in J6/8 Closed system or Controller is primary in two controller system Controller is secondary in two J6/8 Open controller system HOST CHANNEL 0 SCSI ID SELECTION SCSI ID JP6/1 JP6/2 JP6/3 JP6/4 0 Open Open Open Open 1 Closed Open Open Open 2 Open Closed Open Open 3 Closed Closed Open Open 4 Open Open Closed Open 5 Closed Open Closed Open 6 Open Closed Closed Open 7 Closed Closed Closed Open 8 Open Open Open Closed 9 Closed Open Open Closed 10 Open Closed Open Closed 11 Closed Closed Open Closed 12 Open Open Closed Closed 13 Closed Open Closed Closed 14 Open Closed Closed Closed 15 Closed Closed Closed Closed HOST CHANNEL 1 SCSI ID SELECTION SCSI ID J6/9 J6/10 J6/11 J6/12 0 Open Open Open Open 1 Closed Open Open Open 2 Open Closed Open Open 3 Closed Closed Open Open 4 Open Open Closed Open 5 Closed Open Closed Open 6 Open Closed Closed Open 7 Closed Closed Closed Open 8 Open Open Open Closed 9 Closed Open Open Closed 10 Open Closed Open Closed 11 Closed Closed Open Closed 12 Open Open Closed Closed 13 Closed Open Closed Closed 14 Open Closed Closed Closed 15 Closed Closed Closed Closed Card Type Daughterboard Hard Drives supported Up to 18 UltraSCSI Wide/Narrow devices Floppy drives None supported Data Bus One Single-ended/Differential Wide Ultra-SCSI channel [Image] DBI960SX Daughterboard CONNECTIONS Function Location Function Location Edge connector CN1 DAC960SX controller J2 (drive) connector Edge connector CN2 DAC960SX controller J3 (drive) connector USER CONFIGURABLE SETTINGS Function Label Position » Channel 2 termination enabled JP1/1 Closed Channel 2 termination disabled JP1/1 Open » Channel 3 termination enabled JP1/2 Closed Channel 3 termination disabled JP1/2 Open » Channel 4 termination enabled JP1/3 Closed Channel 4 termination disabled JP1/3 Open » Factory configured - do not alter JP1/4 Open » Factory configured - do not alter JP1/5 Open TERMINATION CONFIGURATION Notes: All termination jumpers (JP1/1-JP1/5) should remain closed on the daughterboard unless operating in dual host mode or using a differential SCSI distribution board. When using differential SCSI, external termination must be used and termination on the controller and daughterboard must be disabled. All termination jumpers (JP1/1-JP1/5 should be opened.) If dual host mode is not used, all JP1 termination jumpers should be closed. MISCELLANEOUS TECHNICAL NOTES The DBI960SX supports three SCSI channels. Two are drive channels and the third can be configured as either a second host channel or a third drive channel. [Image] Battery Backup Unit CONNECTIONS Function Location Function Location 3-pin connector - J1 2-pin connector - J4 external battery VCC source for source external LED 12-pin connector to J3 controller board USER CONFIGURABLE SETTINGS Function Label Position » Backup power source is internal J2 INT (on-board batteries) Backup power source is external J2 EXT (off-board batteries) Note: J2 is located on the reverse side of the Battery Backup card. REFRESH TIMING SELECTION Timing J5 J6 Self-refresh N/A SELF Normal refresh NORM C/R Extended refresh LPWR C/R (for low power memory