Sinclair (Amstrad) ZX Spectrum +2A (in the black case) – Issue 2
Autopsy:
from Wikipedia homepage:
The ZX Spectrum +2A was produced to homogenise Amstrad’s range in 1987. Although the case reads “ZX Spectrum +2″, the +2A/B is easily distinguishable from the original +2 as the case was restored to the standard Spectrum black.
The +2A was derived from Amstrad’s +3 4.1 ROM model, using a new motherboard which vastly reduced the chip count, integrating many of them into a new ASIC. The +2A replaced the +3′s disk drive and associated hardware with a tape drive, as in the original +2. Originally, Amstrad planned to introduce an additional disk interface, but this never appeared. If an external disk drive was added, the “+2A” on the system OS menu would change to a +3.
As with the ZX Spectrum +3, some older 48K, and a few older 128K, games were incompatible with the machine. The ZX Spectrum +2B signified a manufacturing move from Hong Kong to Taiwan later in 1987.
source: wikipedia
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