ZX Spectrum +2A/2B, +3/3B edge connector: Difference between revisions

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Upper case V for volt and use proper minus signs
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(Upper case V for volt and use proper minus signs)
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[[Category:Spectrum]]
[[Category:Spectrum]]
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{{Template:Spectrum edge connector|A15|A13|D7|[[#ROM disable pins|NOE]]|[[#Key_Slot|SLOT]]|D0|D1|D2|D6|D5|D3|D4|NINT|NNMI|NHALT|NMREQ|NIORQ|NRD|NWR|[[#Power|NC]]|NWAIT|[[#Power|+12v]]|[[#Power|-12v]]|NM1|NRFS|A8|A10|[[#RESET|RESET]]|A14|A12|[[#Power|+5v]]|[[#Power|NC]]|[[#Key_Slot|SLOT]]|0v|0v|[[#CPU_Clock|CKEXT]]|A0|A1|A2|A3|NC|0v|[[#ROM disable pins|NOE]]|[[#Disc Controller Signals|NDRD]]|[[#Disc Controller Signals|NDWR]]|[[#Disc Controller Signals|NMTR]]|NBUSRQ|NRESET|A7|A6|A5|A4|[[#ROM disable pins|NC]]|NBUSACK|A9|A11}}
{{Template:Spectrum edge connector|A15|A13|D7|[[#ROM disable pins|NOE]]|[[#Key_Slot|SLOT]]|D0|D1|D2|D6|D5|D3|D4|NINT|NNMI|NHALT|NMREQ|NIORQ|NRD|NWR|[[#Power|NC]]|NWAIT|[[#Power|+12V]]|[[#Power|−12V]]|NM1|NRFS|A8|A10|[[#RESET|RESET]]|A14|A12|[[#Power|+5V]]|[[#Power|NC]]|[[#Key_Slot|SLOT]]|0v|0v|[[#CPU_Clock|CKEXT]]|A0|A1|A2|A3|NC|0V|[[#ROM disable pins|NOE]]|[[#Disc Controller Signals|NDRD]]|[[#Disc Controller Signals|NDWR]]|[[#Disc Controller Signals|NMTR]]|NBUSRQ|NRESET|A7|A6|A5|A4|[[#ROM disable pins|NC]]|NBUSACK|A9|A11}}
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====Power====
====Power====
The +2A/+3 and +2B are not powered from a single 9v supply as on all previous models, but by a multi rail supply. This provides the 5v, 12v, and -12v required directly and as such there is no 9v or -5v rail available on the edge connector for driving peripherals.
The +2A/+3 and +2B are not powered from a single 9V supply as on all previous models, but by a multi rail supply. This provides the +5V, +12V, and −12V required directly and as such there is no +9V or −5V rail available on the edge connector for driving peripherals.


====ROM disable pins====
====ROM disable pins====

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