This section provides the most common repair procedures for the
Ultra 2. The written procedures below are links to the 
Sun
Ultra 2 Series Service Manual (802-2561).
| Component |
Tips |
| CPU Module |
-
Ultra 2 Model 1300 UPA Bus Terminator
Module recommended on uni-processor models (I0345-2).
-
New Flash PROM firmware allows mixing of differing
167MHz UltraSPARC 2 ( I0289-1).
|
|
Disk Drive
|
-
Improved firmware for Seagate 10K.6 disk drives will reduce the incidence of unexpected outages due to a spindle motor issue ( I1136-1).
-
18.2GB and 36GB IBM disk drives may be susceptible
to early life failures problem ( I0724-2).
|
| Floppy Drive |
- Some floppy drives were received from the vendor at Sun manufacturing
with an incorrect select ID jumper setting (for drive 1 instead of drive
0) (I0283-1).
- The torroid cable must be used to correct a noise sensitivity problem
with the floppy drives in any Sun system (I0290-1).
|
| SBus Card |
- A tilted second SBus connector on some Ultra 1 and Ultra 2 systems
does not allow installation of SBus cards (A0107-1).
- The SBus SCSI Host Adapter or SSHA is available in two part numbers,
501-1759 and 501-1850. The FCode on SSHA 501-1759 is not compatible
with the Ultra 2 (I0288-1).
- SunATM-155 SBus board replacement may render interface unrecognizable
(I0412-1).
- Sun FDDI SBus Adapter 5.0 SAS/DAS mounting screws may not fit the
EMI plate due to excessive plating (I0469-1).
|
| Tape Drive |
- Improved reliability through firmware upgrade on Exabyte 8mm 8705DX/8900
tape drives (A0121-2).
|
