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2.12
Speaker/Sound In ter face
The EBC-LP util izes a high- impedance piezo type de vice for audio out put. BIOS beep codes, er ror
sig nal ing, or user-de fined tones can be pre sented via this de vice.
2.13
PC/104 Bus In ter face
The EBC-LP sup ports I/O ex pan sion through the stan dard PC/104 con nec tors at J15 and J16. The
EBC-LP sup ports both 8- bit and 16- bit PC/104 mod ules. The PC/104 con nec tor pin defi ni tions are
pro vided here for ref er ence pur poses.
GND
RESET
+5V
IRQ9
-5V
DRQ2
-12V
0WS
+12V
GND
B10 o o A10
MEMW*
B11 o o A11
MEMR*
B12 o o A12
IOW*
B13 o o A13
B14 o o A14
IOR*
DACK3*
B15 o o A15
DRQ3
B16 o o A16
DACK1*
B17 o o A17
DRQ1
B18 o o A18
B19 o o A19
REFRESH*
B20 o o A20
SYSCLK
IRQ7
B21 o o A21
IRQ6
B22 o o A22
IRQ5
B23 o o A23
IRQ4
B24 o o A24
B25 o o A25
IRQ3
B26 o o A26
DACK2*
TC
B27 o o A27
BALE
B28 o o A28
+5V
B29 o o A29
OSC
B30 o o A30
B31 o o A31
GND
GND
B32 o o A32
Page 2-14
WinSystems - "The Embedded Authority"
J15
B1 o o A1
IOCHK*
B2 o o A2
BD7
B3 o o A3
BD6
B4 o o A4
BD5
B5 o o A5
BD4
B6 o o A6
BD3
B7 o o A7
BD2
B8 o o A8
BD1
B9 o o A9
BD0
IOCHRDY
AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
GND
EBC-LP OPERATIONS MANUAL
J16
GND
C0 o o D0
SBHE*
C1 o o D1
LA23
C2 o o D2
LA22
C3 o o D3
LA21
C4 o o D4
LA20
C5 o o D5
LA19
C6 o o D6
LA18
C7 o o D7
LA17
C8 o o D8
MEMR*
C9 o o D9
MEMW*
C10 o o D10
SD8
C11 o o D11
SD9
C12 o o D12
SD10
C13 o o D13
SD11
C14 o o D14
SD12
C15 o o D15
SD13
C16 o o D16
SD14
C17 o o D17
SD15
C18 o o D18
KEY
C19 o o D19
GND
MEMCS16*
IOCS16*
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14
DACK0*
DRQ0
DACK5*
DRQ5
DACK6*
DRQ6
DACK7*
DRQ7
VCC
MASTER*
GND
GND
030530
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