-40%

Mostek MK8009 Add-In Memory for DEC PDP8

$ 50.16

Availability: 100 in stock
  • Condition: condition used. assumed good but sold as-is
  • All returns accepted: ReturnsNotAccepted
  • Vintage: Yes
  • Brand: Mostek
  • Compatible Brand: For DEC
  • Type: Interface Card

    Description

    This board came from a working
    environment
    , looks to be in
    very good condition
    and is assumed working
    but not guaranteed.
    Due to its age it is sold as-is.
    Pictures are of the actual board in this auction
    *** browse my other items for more DEC stuff ***
    **************************************************************************
    the following information came a Mostek book on the internet:
    MK8009-A1")C"/POP-8
    Add-In Memory
    A highly versatile system that is totally hardware and software compatible with
    DEC'S PDP-8-A version. The MK8009-A1"X" lets you add up to 1 28K X 1 2 of
    memory to the PDP-8 in two Omnibus slots.
    • Single +5V supply
    • Synchronous "hidden" refresh
    • 16K RAM technology (MK4116)
    • Totally hardware and software compatible with PDP-8- A
    • Low cost- high reliability
    • Compatible with DEC memory management to
    extend total capacity to 128K x 12 with just two cards
    • Address DIP Switch for assigning configuration in 4K increments
    • Flexible capacities: 16K x 12, 32K x 12, 48K x 12, 64Kx12
    SPECIFICATIONS
    Cycle/Access Time: Compatible with PDP-8A
    Power Requirements: +5VDC, 2.5A operating(Max) (All
    other voltages generated on the board.)
    Power Dissipation:
    12. 5W operating (max)
    10.0W standby (max)