Epson Powerspan Product Information Guide - Page 6

EPSON PowerSpan CPU card connector pin assignments (continued) Pin Signal 37 Status 2 39 Ground 41 CAS Latch Even 43 CAS Latch Odd 45 Ground 47 Byte Enable 1 49 Byte Enable 3 I51 1 Address Bit 3 I Pin Signal 138 Ground 40 AddressStrobe 42 Ground 44 Odd Memory Bank Select 46 Even Memory Bank Select 48 Ground 50 Byte Enable 0 I52 1 Byte Enable 2 1 CPU cd power supply and g70und connectar pin assignments Pin Signal 1 +5vDC 2 Ground Pin Signal 3 +5 VDC 4 Ground Pin Signal 5 +5 VDC 6 Ground DMA Channels DMA channels 69 I Address Bit 17 71 I Ground 73 Address Bit 19 75 Address Bit 21 77 Address Bit 23 79 +5vDC 61 Address Bit 25 83 1 Address Bii 27 85 I Ground I87 1 Address Bit 29 I 89 I Address Bit 31 91 I Ground 193 IDataBitl IQ5 I Ground 170 IAddressBit12 172 jAddressBit14 74 Address Bit 16 76 Address Bit 16 76 +5 VDC 60 Address Bit 20 62 Address Bit 22 184 IAddressBit24 lee IAddressBit26 I88 [Ground I90 1 Address Bit 28 1~2 IAddressBR30 I Q4 I Ground 196 IDataBitO CPU Card Power Supply and Ground Connectors (10710 and Jo770) Pin 1 Pin 5 System Interrupts System interrupts IRQ Device NMI Parity error 0 Reserved, interval timer 1 Reserved, keyboard buffer full 2 Reserved, cascade interrupt from stave PIC 3 Onboard serial port 2 (COM2), if enabled 4 Onboard serial port 1 (CCMl), if enabled 5 LPT2, if enabled 6 Onboard diskette drive controller, il enabled 7 LPTl , U enabled 8 Real-time dock (RTC) 9 User definable; can be set for EISA option cards using the ECU 10 COM3, if enabled; can be set for E ISA option cards using the ECU 11 CCM4, If enabled; can be set for E ISA option cards using the ECU 12 Onboard PS/2 mouse port, if enabled 13 Resewed, math coprocessor 14 IDE hard drive controller, if enabled 15 User definable; can be set for EISA option cards using the ECU Input/output Addresses Input/output adddrt3st3 Pin 2 Pin 6 Epson PowerSpan-6