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--- rw:comp:amiga:2000 [2022/10/26 17:38]
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+++ rw:comp:amiga:2000 [2023/09/12 18:59] (current)
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 ====Specifications====
+  * A2000 Motherboard [[rw:comp:A2000:Revisions]]
 **Chips**
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   * Paula
     * the name Paula is contrived contraction of Ports, Audio, UART and Logic, and coincidentally the chip designer's girlfriend
+====Case====
 **Size**
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          * 15mm deep x 150mm wide or
          * 5/8" deep x 5 15/16" wide
+Next we have some odd collected data. To me, the important info is Part Number. The Rough Date is literally that. I look at most of the custom chips and pull the date code off of them. I then add a month or two (production of chips + shipping + build time) to get the Rough Date.
+^Rough Date^Mobo Ver^Part^Part Number^Reference Machine^
+|1987 end|4.3|FDD tray|15A060-001|RN2303014|
+|1987 end|4.3|drive and power supply tray|15A059-001|RN2303014|
 ====Storage====
@@ Line 91: / Line 102: @@
   * C64's 6526 and Amiga 8250 are basically compatible and swappable - one difference is 4 byte BCD time of day counter being replaced with (much more useful) 3 byte binary counter
+Real Time Clock not working
+      * you set the DATE then try to SAVE it only to have a 'Can't find battery-backed up clock'
+          * 1> DATE 07-May-2023
+          * 1> SETCLOCK SAVE
 ====Hacks====