DS8000 Service Documentation Version 7.5

MAP4820 Performing a slow boot of a CEC enclosure

This procedure provides guidance on how to perform a slow boot of a CEC enclosure.

Before you begin

Note: This procedure must only be used if you were sent here from elsewhere in maintenance package.

MAP4820 Section-1

Procedure

Verify that the CEC enclosure is already powered off. At the rear of the CEC enclosure, observe both power supplies. See Figure 1 and Figure 2.
Are the DC GOOD (output) LEDs lit continuously?
- Yes, do not continue with the next step. Return to the procedure that sent you here.
- No, continue with the next step.
For Figure 1 and Figure 2:
- is the LED for AC GOOD
- is the LED for DC GOOD
- is the LED for IDENT
Figure 1. CEC Enclosure Power Supply LEDs (Model 951 shown, LEDs similar for other models)

Figure 2. CEC enclosure power supply LEDs (Model 961)
Is the CEC enclosure in a 242x model 961 (8205-E6C or 8205-E6D)?
- Yes, continue with step 3.
- No, continue with step 4.
At the front of the affected CEC enclosure, press the blue release tab to the left and pull the control panel out to the service position. See Figure 3. After you complete this procedure, carefully slide the control panel into the control panel bay until it latches in place.
Figure 3. Moving the control panel to the service position
Use the CEC enclosure control panel to set the CEC enclosure to perform a slow boot on the next power on. See Figure 4 or Figure 5.
1. On the CEC enclosure control panel, use the increment or decrement button to scroll to function 02.
2. Press Enter (the middle button) to start function 02. The current IPL type (with pointer) and speed is displayed.
3. Use the increment or decrement button to scroll through the IPL types and speeds.
4. When manual is shown, press Enter (the middle button) to select the IPL type of manual. The current IPL type and speed (with pointer) is displayed.
5. Use the increment or decrement button to scroll through the IPL speeds.
6. When S is shown, press Enter (the middle button) to select the IPL speed of slow.
7. To exit function 02, press Enter (the middle button) multiple times until just 02 is displayed.
Figure 4. CEC enclosure control panel (Models 921, 922, 932, 932, 9A2, 9B2, 941, 951)

Figure 5. CEC enclosure control panel assembly (Model 961)
- H: Decrement button
- I: Enter button
- J: Increment button
On the CEC enclosure control panel, press the Power push-button to power on the CEC enclosure. See Figure 4 or Figure 5 .
Return to the MAP that sent you here.