PAL Master System: POWER BASE VA2/PAL 837-6424

Board Number

171-5672

CPU

Zilog Z0840004PSC

I/O Controller

Sega 315-5216

RAM

NEC D4168C-15

VDP

Sega 315-5124

VRAM

2 x NEC D4168C-15

Video Encoder

Sony CXA1145

BIOS

Sega MPR-11458 (US/European BIOS v3.4 with Hang On) or
Sega MPR-11459 (US/European BIOS v2.4 with Hang-On and Safari Hunt) or
Sega MPR-11460 (US/European BIOS v4.4 with Missile Defense 3-D)

Known Production Dates

October 1988 to April 1989

Identical to the PAL Master System: POWER BASE VA2/PAL 837-6473 but has a PAL-G RF modulator. It is similar to the VA1 but has a provision for a 1 megabit (128 KB) BIOS ROM. This was the last PAL model 1 revision to use a discrete clock divider circuit.

Photo by FluBBa

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