TEKRAM TECHNOLOGY CO., LTD. DC-820 Data bus: 32-bit, EISA Size: Full-length, full-height card Hard drive supported: Up to seven SCSI devices Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives [Image] CONNECTIONS Function Location 50-pin SCSI connector - external CN1 50-pin SCSI connector - internal CN2 34-pin control cable connector - floppy drive CN3 4-pin connector - drive active LED JP1 4-pin connector - cache error speaker JP2 USER CONFIGURABLE SETTINGS Function Location Setting » Floppy drive enabled JP3 closed Floppy drive disabled JP3 open DRIVE ACTIVE LED ERROR CODES (IMMEDIATELY AFTER POWER-UP) Status Function One short flash DC-820 CPU error Two short flashes SCSI chip error Three short flashes BMIC (EISA bus) chip error Four short flashes SRAM error Five short flashes EPROM checksum error MISCELLANEOUS TECHNICAL NOTES All four sockets of Bank 0 must be filled with SIMMs of the same size - 256KB, 1MB, or 4MB.