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 supported |
None |
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 |
CONNECTIONS | |||
Function |
Location |
Function |
Location |
LCD panel interface |
J1 |
Diagnostic port |
J6 |
Battery back-up |
J2 |
Edge connector |
J7 |
Daughterboard connector 1 |
J3 |
Edge connector |
J8 |
Daughterboard connector 2 |
J4 |
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 enabled |
J5/pins 5 & 6 |
Closed |
Host channel 0 termination disabled |
J5/pins 5 & 6 |
Open | |
» |
Factory configured - do not alter |
J5/pins 7 & 8 |
Open |
» |
Factory configured - do not alter |
J5/pins 9 & 10 |
Open |
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)
DBX960SXI Front Panel
CONNECTIONS | |||
Function |
Location |
Function |
Location |
ESC key/return to previous screen |
J1 |
Alarm key/reset audible alarm |
ALARM |
Keys defined by Instruction Line (last line of the LCD display menu |
J2-J5 |
Unidentified |
J7 |
Enter key/execute selected functions |
J6 |
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 |
Distribution Board DBX960S-3-UDR
CONNECTIONS | |||
Function |
Location |
Function |
Location |
10-pin serial port - internal |
J1 |
50-pin SCSI channel 1 connector - internal |
J8 |
68-pin SCSI connector - host channel 0 |
J2 |
Power connector |
J9 |
10-pin connector - dual controller communications port |
J3 |
18-pin connector - channel 1 fault indicator |
J10 |
68-pin SCSI channel 0 connector - internal |
J4 |
18-pin connector - channel 0 fault indicator |
J11 |
50-pin SCSI channel 0 connector - internal |
J5 |
20-pin connector - AEMI (Array Enclosure Management Interface) |
J12 |
68-pin SCSI channel 1 connector - internal |
J7 |
Power connector |
J13 |
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 baud rate is 19.2) |
J6/7 |
Closed |
» |
Controller is only controller in system or Controller is primary in two controller system |
J6/8 |
Closed |
Controller is secondary in two controller system |
J6/8 |
Open |
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 |
Distribution Board DBX960S-6-FWR
CONNECTIONS | |||
Function |
Location |
Function |
Location |
68-pin SCSI drive channel 2 connector - internal |
J1 |
20-pin connector - AEMI (Array Enclosure Management Interface) |
J10 |
68-pin SCSI drive channel 0 connector - internal |
J2 |
Power connector |
J11 |
68-pin SCSI drive channel 3 connector - internal |
J3 |
10-pin serial port connector |
J12 |
68-pin SCSI drive channel 1 connector - internal |
J4 |
18-pin connector - drive channel 1 fault indicator |
J13 |
68-pin SCSI host channel 1/drive channel 4 - internal |
J5 |
18-pin connector - drive channel 0 fault indicator |
J14 |
68-pin SCSI host channel 0 connector - internal |
J7 |
18-pin connector - drive channel 2 fault indicator |
J15 |
Power connector |
J8 |
18-pin connector - drive channel 3 fault indicator |
J16 |
18-pin connector - drive channel 4 fault indicator |
J9 |
10-pin connector - dual controller communications port |
J17 |
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 baud rate is 19.2) |
J6/7 |
Closed |
» |
Controller is only controller in system or Controller is primary in two controller system |
J6/8 |
Closed |
Controller is secondary in two controller system |
J6/8 |
Open |
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 |
Distribution Board DBX960S-6-UDR
CONNECTIONS | |||
Function |
Location |
Function |
Location |
68-pin SCSI drive channel 2 connector - internal |
J1 |
68-pin SCSI host channel 0 connector - internal |
J7 |
68-pin SCSI drive channel 3 connector - internal |
J2 |
Power connector |
J8 |
68-pin SCSI drive channel 0 connector - internal |
J3 |
10-pin serial port connector |
J9 |
68-pin SCSI drive channel 1 connector - internal |
J4 |
80-pin connector - fault and status port |
J10 |
68-pin SCSI host channel 1 connector - internal |
J5 |
10-pin connector - reserved for testing |
J11 |
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 baud rate is 19.2) |
J6/7 |
Closed |
» |
Controller is only controller in system or Controller is primary in two controller system |
J6/8 |
Closed |
Controller is secondary in two controller system |
J6/8 |
Open |
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 supported |
None |
Data Bus |
One Single-ended/Differential Wide Ultra-SCSI channel |
DBI960SX Daughterboard
CONNECTIONS | |||
Function |
Location |
Function |
Location |
Edge connector (drive) |
CN1 |
DAC960SX controller connector |
J2 |
Edge connector (drive) |
CN2 |
DAC960SX controller connector |
J3 |
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. |
Battery Backup Unit
CONNECTIONS | |||
Function |
Location |
Function |
Location |
3-pin connector - external battery source |
J1 |
2-pin connector - VCC source for external LED |
J4 |
12-pin connector to controller board |
J3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Backup power source is internal (on-board batteries) |
J2 |
INT |
Backup power source is external (off-board batteries) |
J2 |
EXT | |
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 (for low power memory |
LPWR |
C/R |