SERVER 720 HANGS at CP 69 after PLANAR Replacement

Subject: SERVER 720 HANGS at CP 69 after PLANAR Replacement
Updated PC Server RETAIN TIP:

Record number: H136842 Device: D/T8642 Model: M Hit count: UHC00118 Success count: USC0000 Publication code: PC50 Tip key: Date created: O97/03/14 Date last altered: A98/06/17 Owning B.U.: USA

Abstract: SERVER 720 HANGS at CP 69 after PLANAR Replacement

SYMPTOM:

The PC Server 720 (8642) hangs at Check Point 69 (CP 69) during POST or MicroChannel adapters are not recognized by the system after the system board FRU P/N 06H1810 has been replaced.

PROBLEM ISOLATION AIDS:

The Server 720 has MicroChannel adapter(s) such as the RAID adapter FRU P/N 06H3059

FIX:

If replacing a system board on a Server 720 with MicroChannel adapter(s), inspect the system board first: Locate the small chip at U74 and look for a tiny blue dot the size of a period (.). If this chip has a blue dot, the system board is good and can be installed.
In the unlikely event that the tiny blue dot is missing and the Server 720 does not boot properly, order system board FRU P/N 01K7236.

.-------------------------------------------------------. | ========================== | | ==================== | | ========================== | | ==================== | | _ ========================== | -------- |_| U74 ==================== | | ========================== | | ==================== | | ============================== | | ==================== | | ========================== | | ==================== | | ========================== | | ==================== | | | | ============================== ==================== | | ============================== | | | | ============================== | | | | ========================== | ----------------------------------------------------------------

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