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# MYLEX CORPORATION
DAC960P, DAC960PD, DAC960PD-ULTRA
Processor RISC
Maximum Onboard 4/8/16/32MB (n x 36) optional DRAM
Memory
4/8MB (n x 36) optional EDRAM
Data Bus 32-bit PCI
Card Size Full-length, full-height card
Hard Drives Up to 45 Ultra-SCSI devices (DAC960PD-Ultra)
supported
Up to 45 Fast SCSI-2/Wide SCSI devices
(DAC960P/PD)
Floppy Drives None
supported
RAID Levels 0,1,5, and 0+1
supported
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Function | Location |
|--------------------+----------+-----------------+----------|
| 26-pin connector - | J1 | 68-pin SCSI | J5 |
| AEMI port | | connector - | |
| | | channel 2 | |
| | | internal | |
|--------------------+----------+-----------------+----------|
| 10-pin connector - | J2 | 6-pin connector | J6 |
| battery backup | | - bus/drive | |
| (optional) | | active LED | |
|--------------------+----------+-----------------+----------|
| 68-pin SCSI | J3 | 68-pin SCSI | J11 |
| connector - | | connector - | |
| channel 0 internal | | channel 0 | |
| | | external | |
|--------------------+----------+-----------------+----------|
| 68-pin SCSI | J4 | 68-pin SCSI | J14 |
| connector - | | connector - | |
| channel 1 internal | | channel 1 | |
| | | external | |
|------------------------------------------------------------|
| Note: AEMI is the acronym for Array Enclosure Management |
| Interface. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS ||
|-----------------------------------------------------------||
| Function | Label | Position ||
|-----------------------------------+--------+--------------||
| » | Factory configured - do not | J7 | Unidentified ||
| | alter | | ||
|---+-------------------------------+--------+--------------||
| » | SCSI channel 0 termination | J9 | Closed ||
| | enabled | | ||
|---+-------------------------------+--------+--------------||
| | SCSI channel 0 termination | J9 | Open ||
| | disabled | | ||
|---+-------------------------------+--------+--------------||
| » | SCSI channel 2 termination | J10 | Closed ||
| | enabled | | ||
|---+-------------------------------+--------+--------------||
| | SCSI channel 2 termination | J10 | Open ||
| | disabled | | ||
|---+-------------------------------+--------+--------------||
| » | SCSI channel 1 termination | J12 | Closed ||
| | enabled | | ||
|---+-------------------------------+--------+--------------||
| | SCSI channel 1 termination | J12 | Open ||
| | disabled | | ||
|---+--------------------------------------------------------|
| | Enable termination on a SCSI channel if the |
| | controller is installed at one end of the |
| | channel. This setting terminates the channel and |
| | powers the SCSI TERMPWR signal. |
| | |
| | Disable termination on a SCSI channel if the |
| | controller is not at the end of the channel |
| | (i.e., both external and internal devices exist |
| | on the same channel). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Status | Condition |
|----------------+--------+----------------------------------|
| J6/pins 1 & 2 | On | SCSI is active |
| | | |
| | | (Data is being |
| | | transmitted/received across SCSI |
| | | channels) |
|----------------+--------+----------------------------------|
| J6/pins 1 & 2 | Off | No SCSI activity |
|----------------+--------+----------------------------------|
| J6/pins 3 & 4 | On | PCI is active |
| | | |
| | | (Data is being |
| | | transmitted/received to/from |
| | | host) |
|----------------+--------+----------------------------------|
| J6/pins 3 & 4 | Off | No PCI activity |
|----------------+--------+----------------------------------|
| J6/pins 5 & 6 | On | Write is pending |
| | | |
| | | (Cache holds data that needs to |
| | | be written to disk) |
|----------------+--------+----------------------------------|
| J6/pins 5 & 6 | Off | No write is pending |
|------------------------------------------------------------|
| Note: If the system loses power or is reset while J6/pins |
| 5 & 6 are on, the data in cache memory will be |
| |
| lost. Installing optional cache battery backup module J2 |
| will avoid data loss. |
+------------------------------------------------------------+