1.4.1.3 - Norsk Data hardware - NORD-10

Description

• SMD unit controller, part of the disc controller.
• Control one unit, set by the switch in position D9.
• On the new PCB version C (bad)(solder side) you can see an ECO made by drilling holes in the print making new connections. You can also see that the pins of a small capacitor are so long that they almost touch each other, this will short circuit 5V and ground :-(
• Print: C   ECO: 1
• PCB size 156 x 149 mm, 2 layers
• Release date xx. xxx. xxxx

Chipset

• None

LEDs

• None

Straps

• None

Switches

• Unit select (position D9), binary value (missing entries are illegal)

  UNIT	SW4	SW3	SW2	SW1
  0	N.C.	OFF	OFF	OFF
  1	N.C.	OFF	OFF	ON
  2	N.C.	OFF	ON	OFF
  3	N.C.	OFF	ON	ON

Connectors

• Standard NORD-10 bus