DATA TECHNOLOGY CORPORATION DTC2277 (TEKRAM VER. 2) Chipset Tekram Maximum Onboard Memory Unidentified Data Bus 32-bit VESA local bus Card Size Full height, full length Hard Drives Supported Four IDE-AT devices Floppy Drives Supported Unidentified [Image] CONNECTIONS Function Label Function Label 40-pin primary IDE(AT) CN1 4-pin drive active LED JP1 connector 40-pin secondary CN2 4-pin connector to JP2 IDE(AT) connector speaker 34-pin cable connector CN3 - floppy drive USER CONFIGURABLE SETTINGS Setting Label Position » Primary channel noise filter mode JDR0 Open 1 enabled Primary channel noise filter mode JDR0 Closed 2 enabled » Secondary channel noise filter JDR1 Open mode 1 enabled Secondary channel noise filter JDR1 Closed mode 2 enabled » Factory configured - do not alter JP3 Unidentified » Factory configured - do not alter JP4 Unidentified Note:The exact implementation of the noise filter modes are unidentified. However, mode 1 is compatible with most hard drives. DRAM CONFIGURATION The configuration of the memory is unidentified.