PLUS-1 (コンピュータテクニカ) Expansion I / O box for the old 98 Note / Epson Note 110-pin extension bus. Equipped with one C bus slot. Power supply capacity: + 5V, 2A / ± 12V, 120mA Power consumption: Up to 30VA at 5VA board operation The model number of the AC adapter is CTI-0512 ACDC (weight: 996 g), 8-pin round connector For pin assignment, the pin assignment 6 7 8 3 4 5 1 2 If you  1,2 = + 5V  3 = + 12V  4 = -12V  5,6,7,8 = GND Connect the AC adapter after installing on the expansion bus. ※ 110-pin expansion bus limitation ・ Boards with external CPU / DMA function can not be used.Bus master transfer board Also not available. ・ In case of built-in HDD, SASI HDD can not be connected.And SCSI HDD is INT 0, Connectable via DMA channel 3. ・ The interrupt level can be used INT 0, 1, 2, 3, 5 (In the case of a machine with built-in HDD) INT 3 not available). -The DMA channel can use 0 or 3 (CH3 can not be used on machines with built-in HDD). ・ Additional RAM board should be used by a method other than EMS. ・ Resume function can not be used when the expansion unit is connected. -Disable the power saving setting in the note menu.