Because this chip was a custom creation by Amstrad it is currently not possible to replace this chip nor to build new cartridges, because it is not known how it works.
==The beast unleashed==
ACID chip is soon to be betterly understood and mastered, and many stuff are to come.
== Pinout ==
<pre>
+--()--+
GND | 1 16| +5V
A7 | 2 15| A6
CLK4| 3 14| A5
NC | 4 13| A4
CCLR| 5 12| A3
SIN | 6 11| A2
|CE | 7 10| A1
GND | 8 9| A0
+------+
</pre>
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Pin number''||''Name''||''Direction''||''Description''
|-
|1||GND||-||Ground
|-
|2||A7||Input||Address A7
|-
|3||CLK4||Input||Clock (4 MHz)
|-
|4||NC||-||Not connected
|-
|5||CCLR||?||?
|-
|6||SIN||?||?
|-
|7||/CE||Input||Chip enable
|-
|8||GND||-||Ground
|-
|9||A0||Input||Address A0
|-
|10||A1||Input||Address A1
|-
|11||A2||Input||Address A2
|-
|12||A3||Input||Address A3
|-
|13||A4||Input||Address A4
|-
|14||A5||Input||Address A5
|-
|15||A6||Input||Address A6
|-
|16||+5V||-||Vcc
|}
==Investigation==
*http://amstradcpc.mforos.com/305097/7723493-que-hace-exactamente-el-chip-acid-de-los-cartuchos/ (Spanish language)
*[http://www.vieuzordiland.fr/index.php?option=com_content&task=view&id=23&Itemid=34 Vieuxzordiland's page on the matter. In French]
*http://v3.espacenet.com/publicationDetails/biblio?CC=GB&NR=2243701A&KC=A&FT=D&date=19911106&DB=&locale= link to a patent rumoured to be ACID's patent.
==The End of the Darkness : A New Hope==
''''
==The beast unleashed==
ACID chip is soon to be betterly understood and mastered, and many stuff are to come.
== Pinout ==
<pre>
+--()--+
GND | 1 16| +5V
A7 | 2 15| A6
CLK4| 3 14| A5
NC | 4 13| A4
CCLR| 5 12| A3
SIN | 6 11| A2
|CE | 7 10| A1
GND | 8 9| A0
+------+
</pre>
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Pin number''||''Name''||''Direction''||''Description''
|-
|1||GND||-||Ground
|-
|2||A7||Input||Address A7
|-
|3||CLK4||Input||Clock (4 MHz)
|-
|4||NC||-||Not connected
|-
|5||CCLR||?||?
|-
|6||SIN||?||?
|-
|7||/CE||Input||Chip enable
|-
|8||GND||-||Ground
|-
|9||A0||Input||Address A0
|-
|10||A1||Input||Address A1
|-
|11||A2||Input||Address A2
|-
|12||A3||Input||Address A3
|-
|13||A4||Input||Address A4
|-
|14||A5||Input||Address A5
|-
|15||A6||Input||Address A6
|-
|16||+5V||-||Vcc
|}
==Investigation==
*http://amstradcpc.mforos.com/305097/7723493-que-hace-exactamente-el-chip-acid-de-los-cartuchos/ (Spanish language)
*[http://www.vieuzordiland.fr/index.php?option=com_content&task=view&id=23&Itemid=34 Vieuxzordiland's page on the matter. In French]
*http://v3.espacenet.com/publicationDetails/biblio?CC=GB&NR=2243701A&KC=A&FT=D&date=19911106&DB=&locale= link to a patent rumoured to be ACID's patent.
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