M269 ES Series Jumper Setting
Obsolete product information
M2691ES, M2692ES, M2693ES, M2694ES
PCA Layout
All configurations marked * are default settings.
1. Spare Switch SW1
| SCSI Level | ||
|---|---|---|
| Key 1 | ON * SCSI-1/CCS Mode | |
| OFF SCSI-2 Mode | ||
| Off-Line Self-Diagnostics | ||
| Key 2 | ON Executed (diagnostic mode) | |
| OFF * Inhibited (normal operation) | ||
| UNIT ATTENTION response | ||
| Key 3 | ON * Reports the CHECK CONDITION status | |
| OFF Does not report CHECK CONDITION | ||
| Reselection Retry Count | ||
| Key 4 | ON * Unlimited | |
| OFF 10 times | ||
| SCSI Bus Parity | ||
| Key 5 | ON * Enabled | |
| OFF Disabled | ||
| Synchronous Data Transfer Request | ||
| Key 6 | ON * Enabled from TARG | |
| OFF Disabled from TARG | ||
| LED Display Requirement | ||
| Key 7 | ON * LED activated when drive seeking | |
| OFF LED activated when drive idle | ||
| Motor Start Mode | ||
| Key 8 | ON * On Power Up | |
| OFF Via START/STOP UNIT command | ||
2. Terminal CNH2
There are no user changeable settings on this terminal. It is for factory use only.
3. Terminal CNH10
1-2 SHORT * Do not change.
| SCSI Terminating Power | ||
|---|---|---|
| 3-4 | 5-6 | Function |
| SHORT * | SHORT * | Power is supplied to the terminating resist or from the IDD and TEMPWR pin. Power is also suppiled to the TERMPWR pin from the IDD. (Pin26 of the interface). |
| OPEN | SHORT | The TERMPWR pin is not used. Power is supplied to the IDD terminating resistor only from the IDD. |
| SHORT | OPEN | Power is not supplied to the terminating resistor form the IDD, only from the TERMPWR pin. |
4. Terminal CNH11
Set SCSI ID
| 5-6 | 3-4 | 1-2 | ID |
|---|---|---|---|
| OPEN * | OPEN * | OPEN * | 0 |
| OPEN | OPEN | SHORT | 1 |
| OPEN | SHORT | OPEN | 2 |
| OPEN | SHORT | SHORT | 3 |
| SHORT | OPEN | OPEN | 4 |
| SHORT | OPEN | SHORT | 5 |
| SHORT | SHORT | OPEN | 6 |
| SHORT | SHORT | SHORT | 7 |
Write Protection
| 7-8 | SHORT * | Disabled |
| OPEN * | Enabled | |
| 9-10 | OPEN * | Reserved |
5. Connector CN7
Spindle synchronization connection
| Pin | Signal |
|---|---|
| 01 | GND IN |
| 02 | SPSYNC IN |
| 03 | GND OUT |
| 04 | SPSYNC OUT |
6. Connector CN5
External LED connection
| Pin | Signal |
|---|---|
| 01 | LED(V) |
| 02 | LED |
7. Connector CN6
External SCSI ID connector
| Pin | Signal |
|---|---|
| 01 | GND |
| 02 | -ID2 (bit 4) |
| 03 | GND |
| 04 | -ID1 (bit 2) |
| 05 | GND |
| 06 | -ID0 (bit 1) |
