This board has a 315-5237 I/O controller and a 315-5246 VDP. Both chips are more commonly found in the Master System II.
- Board Number
- 171-5535-10
- CPU
- Zilog Z0840004PSC
- I/O Controller
- Sega 315-5237
- RAM
- NEC D4168C-15 or NEC D4168C-15-SG
- VDP
- Sega 315-5246
- VRAM
- 2 x NEC D4168C-15 or 2 x NEC D4168C-15-SG
- Video Encoder
- Sony CXA1145P
- BIOS
- MPR-11459A (US/European BIOS v2.4 with Hang On and Safari Hunt) or
Sega MPR-11458 (US/European BIOS v3.4 with Hang On) or
Sega MPR-12808 (US/European BIOS with Alex Kidd in Miracle World)
- Known Production Dates
- September 1989 to July 1991
Photos by Paul Baker, kiki77