EMULEX CORPORATION
MD23, MD24
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Data bus: None (SCSI to ESDI interface)
Size: Drive card
Hard drives supported: SCSI to four RLL ESDI drives
Floppy drives supported: None
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CONNECTIONS |
MD23 |
MD24 | ||||||
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34-pin control cable connector-hard drive |
P1 |
P1 | ||||||
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20-pin data cable connector-drive 0 |
J2 |
J2 | ||||||
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20-pin data cable connector-drive 1 |
J3 |
J3 | ||||||
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10-pin connector-user panel (factory use only) |
J4 |
J6 | ||||||
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14-pin connector-test (factory use only) |
J5 |
J8 | ||||||
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50-pin SCSI connector- to host adapter |
J6 |
J9 | ||||||
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4-pin connector-DC power |
J7 |
J10 | ||||||
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20-pin data cable connector-drive 2 |
J8 |
J4 | ||||||
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20-pin data cable connector-drive 3 |
J9 |
J5 | ||||||
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10-pin connector-user panel (factory use only) |
J10 |
J7 | ||||||
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Not used |
SW1/switch 4 |
N/A | |
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Sector size set to 512 bytes |
SW1/switch 5 |
open | |
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Sector size set to 256 bytes |
SW1/switch 5 |
closed | |
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Spindle motor starts on power-up |
SW1/switch 6 |
open | |
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Spindle motor starts on command |
SW1/switch 6 |
closed | |
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Soft error reporting enabled |
SW1/switch 7 |
open | |
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Soft error reporting disabled |
SW1/switch 7 |
closed | |
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SCSI parity check disabled |
SW1/switch 8 |
open | |
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SCSI parity check enabled |
SW1/switch 8 |
closed | |
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SCSI ADDRESS | ||||
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SCSI ID |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 | |
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0 |
off |
off |
off | |
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1 |
on |
off |
off | |
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2 |
off |
on |
off | |
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3 |
on |
on |
off | |
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4 |
off |
off |
on | |
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5 |
on |
off |
on | |
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6 |
off |
on |
on | |
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7 |
on |
on |
on | |
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MISCELLANEOUS TECHNICAL NOTES |
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Note: For the SCSI termination power option, a # 1N5817 diode must be installed at socket CR2 and JP1 must be closed |