HP 260

he HP 260 replaced the 250 in 1985. The original 260 used cards with the same form factor as those found in the 250. The HP-IB, CPU and memory cards were interchangeable. The original 260 looked like a 7936/7 disc drive. Like the 250, it used a key to power up. The 260 came with interface cards that allowed 35721 monitors to be used as "video" terminals. The 260 was software compatible with the 250.