2 x vintage Epson PX-4 computers. Both are in working condition, one is in the original box! Auction is for all the items you see on the pictures and listed below. If you have any questions you can send a message. 1 piece PX4 model H401A code UA  sn. 015293 in original box 1 piece PX4 model H401A code AC sn. 010009 attached with external ram disk 128 Model H411A code A sn. 012415 1 piece Technical manual 1 piece operating system reference manual PX4-HX40 2 pieces operating manual PX4 1 piece Basic reference manual PX4 1 piece cartridge printer model H409A  code B  sn. 022220 In original box with paper rol and ink catridge. 1 piece ROM cartridge model H403A code A sn. 011232 1 piece PROM writer cartridge model H413A  code A sn. 011519 2 pieces mounting adaptors for EPROM 31 pieces EPROM MBM27C256-25 including cradle 2 pieces empty cartridge PX4 (Items below are for the Epson HX-20) 1 piece empty cartridge HX20 1 piece micro cassette drive HX20 model H20MC code SA  sn. 098526 In original box plus 6 cassette tapes