7552 Extended Memory Adapter
7552 0-16Mb Extended Memory Adapter
49C460 EDC 32-Bit CMOS Error Detection and Correction Unit
IBM 7552 0-16MB EXTENDED MEMORY ADAPTER (#6345): This extends the memory capacity of the 7552 from 2Mb to 16Mb. The 0-16Mb Extended Memory Adapter is a full-length memory expansion option with Error Checking and Correction capability (standard with 0Mb of memory installed). Up to ten (two of which are required for the Error Checking and Correction feature) 2Mb Memory Module Kits -- 85ns (#5213) can be added to the card to provide up to 16Mb of memory. No switch setting is required.
2MB 85NS (#5213) (6450604): Mine are 68X6127, OKI MSC2321-85YS18A
PREREQUISITES: If the serial number of the 7552 Industrial Computer is below 25000, RPQ PF1076 is required to be installed on the processor card prior to the installation of the IBM 7552 0-16Mb Extended Memory Adapter (#6345). If the serial number of the 7552 Industrial Computer is above 25000, RPQ PF1076 is not required. RPQ PF1076 contains a BIOS chip set, removal tool, insertion tool, diagnostic diskette and installation instructions.
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