Specifications
EPSON PowerSpan
CPU card connector pin assignments (continued)
Pin
Signal
I
Pin Signal
37 Status 2
138
Ground
39
Ground
40
AddressStrobe
41
CAS Latch Even
42
Ground
43
CAS Latch Odd
44
Odd Memory Bank Select
45
Ground
46
Even Memory Bank
Select
47
Byte Enable 1
48
Ground
49
Byte Enable 3
50
Byte Enable 0
I51
1
Address
Bit
3
I52
1
Byte Enable 2
1
69
I
Address Bit 17
71
I
Ground
170
IAddressBit12
172
jAddressBit14
73
Address
Bit
19
74
Address
Bit 16
75
Address
Bit
21
76
Address
Bit 16
77
Address
Bit
23
76
+5
VDC
79
+5vDC
60
Address
Bit
20
61
Address
Bit
25
62
Address
Bit
22
83
1
Address Bii 27
85
I
Ground
184
IAddressBit24
lee
IAddressBit26
I87
1
Address Bit 29
I88 [Ground
I
89
I
Address Bit 31
I90
1
Address Bit 28
91
I
Ground
1~2
IAddressBR30
193
IDataBitl
I
Q4
I
Ground
IQ5
I
Ground
196
IDataBitO
CPU Card Power Supply and Ground Connectors
(10710
and
Jo770)
Pin 1
Pin 5
Pin 2 Pin 6
Epson PowerSpan-6
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
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
12
13
CCM4,
If
enabled; can be set for E ISA option cards using the ECU
Onboard
PS/2
mouse port, if enabled
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
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