• D3B_4299
  • D3B_4300
  • D3B_4301

I have three unknwon Philips 8080/8085-based CPU cards. I'd love to find out more about these.

Board 1 (CRB 1)

Label: CARD CRB 1 12NC 5122 194 2149 4 SNR 7551 MOD 6

Etched number: 770524 CRB1 5122 194 21481

  • 64-pin DIN41612 connector
  • 8080A
  • 8238
  • 2 x 8251
  • 9 x 4Kx1 RAM chips (Mostek MK4027)

Board 2 (CRK 1)

Etched number: 811016 CRK1 5122 194 41761

  • 96-pin DIN41612 connector
  • 4 x 2x13 pin header connector
  • 1 x 2x5 pin header connector
  • 8085A
  • 2 x 8251
  • 3 x EPROM
  • 2 x 2Kx8 RAM chips (6116)

 

Board 3 (CRD 2)

Label: CRD 2 12NC 5122 194 2542 0 RN 04868 MOD 0

Etched number: 800411 CRD2 5122 194 25431

  • 64-pin DIN41612 connector
  • 8080A
  • 8238
  • 2 x 8251
  • 12 x 4Kx1 RAM chips (Motorola MCM4027 and Mostek MK4027, 3 in sockets)