H135792 - SERVER 320 TRAPS/HANGS WITH NEC 32MB PARITY SIMM SYMPTOM: PC Server 320 systems may trap or hang intermittently. PROBLEM ISOLATION AIDS: The system is a PC Server 320 (8640) with NEC 32MB Parity SIMMs installed FRU p/n73G3235 (Option p/n92G7205). FIX: Inspect the 32MB Parity SIMMs FRU p/n73G3235 for the IBM barcode label and/or a white NEC label. If the product code on the IBM label is "14UP" and/or a white NEC label is found, replace the the SIMM(s) with FRU p/n73G3235. NOT all PC Server 320s with the NEC 32MB SIMMs installed will experience failures; do NOT replace the NEC SIMMs unless failures are observed. Product Code SAMPLE MEMORY SIMM with Barcode Label: | | -------------------------- _______________________________ | | ___ ___ ___ ___ | B14UP###### 74G1020 NEC ### | | | |NEC| | | | | | || 32MB 8MX36 P 70NS 5.0V 14UP <---- | | | | | | | | || IBM FRU:73G3235 OPT:92G7205 | | | | | | | | | | ------------------------------- | --- --- --- --- --- --- --- --- --- | | _______ ______ _______ _______ | | |NEC | |NEC | |NEC | |NEC | | | ------- ------ ------- ------- | --- | | ||||||||||||||||||||||||| |||||||||||||||||||||||||| | --------------------------- ---------------------------- SAMPLE NEC LABEL: .---------------------------. | NEC SINGAPORE | | MC-428000#####-70 | | 96######## | ----------------------------- Although the FRU number has not changed, current Option, FRU, and Manufacturing stock do not contain affected SIMMs. DUE TO EXISTING FIELD STOCK LEVELS, EXAMINE THE SIMMs BEFORE INSTALLATION TO ENSURE THEY ARE NOT AFFECTED. NEC is a Trademark of NEC Corporation. December 17, 1996