
ISA 8bit High Density Floppy 1.44 MB , 2.88 MB + Boot ROM + Serial
ISA 8bit High Density Floppy 1.44 MB , 2.88 MB + Boot ROM + SerialISA Floppy Disk and Serial Controller card provides one floppy disk interface supporting up to two floppy drives, an RS-232 serial interface, and a BIOS extension ROM.Specifications:a) Floppy disk controller based on Intel 82077AA or National Semiconductor PC8477 FDC IC. -Supports IBM PC, AT, and PS/2 floppy types from 360 KB 5.25" disks to 2.88 MB 3.5" ED (Extended Density) disks. -Supports 2.88 MB IBM PS/2 drives (e.g. IBM FRU 64F4148 and IBM FRU 64F0204), that require +5V on pin 3. This feature is enabled using jumper JP1.b) Serial port. -Uses UART IC in PLCC package, supports newer UART versions such as 16C650 -UART I/O address and interrupt is selectable using a DIP switch. Supported I/O addresses: 3F8h, 2F8h, 3E8h, 2E8h. Supported interrupts: IRQ3, IRQ4, IRQ5, IRQ7.c) 8 KiB BIOS extension ROM. -Supports 28C64b EEPROM -The ROM is configured using a DIP switch: It can be enabled or disabled; the a