NCR CORPORATION MODEL 3386-6XXX PC925/PC386 Processor 80386 Processor Speed 25MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 16MB (8MB on external memory card) Maximum Video Memory None Cache None BIOS Unidentified Dimensions 355mm x 304mm I/O Options External memory card NPU Options 80387 [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED J1 External battery J9 Speaker J7 External memory card SL1 Power LED & keylock J8 USER CONFIGURABLE SETTINGS Function Label Position Jumper not used J2 N/A » BIOS type select 27256 J4 Pins 1 & 2 closed BIOS type select 27128 J4 Pins 2 & 3 closed » NPU installed J5 Pins 1 & 2 closed NPU not installed J5 Pins 2 & 3 closed » Manufacturing diagnostics loop SW/1 Off disabled Manufacturing diagnostics loop SW/1 On enabled Monitor type select color SW/2 On Monitor type select monochrome SW/2 Off DRAM CONFIGURATION Size Bank 0 Bank 1 4MB 411000 None 8MB 411000 (4) 1M x 9 Note: The location of banks 0 & 1 are unidentified. The number of chips for bank 0 are unidentified. DRAM JUMPER CONFIGURATION Size J27 4MB Pins 1 & 2, 3 & 4 closed 8MB Pins 2 & 3, 4 & 5 closed MISCELLANEOUS TECHINCAL NOTE The location of all pin 1s are unidentified.