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