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Macintosh Picture Format  |  1990-08-14  |  14.6 KB  |  720x960  |  1-bit (2 colors)  |  [PICT/MDRW]
   ocr: 8530 (SCC) 26LS30 IA A RFIFilter, TXD+ TxR RSB OD PA RFI Filter TXD- +5V TxR D OD PO 8 RFIFilter) RFIFilter 19 15.4131211) 1716 RSB Slew-rateNot +12V +5V VCC controts connected -5V VEE Mode 26LS32 RxA A IA IA RFI RFIFiter Filter RXDE RXD+ CTS C Ic TRXg * It RFI Fiter HSKCIK B IB RFI Filfer TXD+ RxB IBt RFIFilter TXD- iFVi CTB 9 IDP 1514.312.1 TRXg * IDt RFIT - Filter 79181716 W/REQ 6522 (VIA) RXDD RXD+ +12V W/RER Y-PA7 RTxa HSK/CLK RTxg L MHZ 3.672 Note: R1 R2 KREIFINr = WIM HC y 1 (R1+R2 =4 40 to 60 ohms, C=150 to 300 pF) Figure 4DDiagram of Serial Ports