Specifications

MSM800XEV/XEL / Connectors & Jumpers
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5.1.19 X101 PC/104+ BUS Interface
Pin A B C D
1 GND/5.0V KEY2 Reserved +5 AD00
2 VI/O AD02 AD01 +5V
3 AD05 GND AD04 AD03
4 C/BE0  AD07 GND AD06
5 GND AD09 AD08 GND
6 AD11 VI/O AD10 NC
7 AD14 AD13 GND AD12
8 +3.3V C/BE1  AD15 +3.3V
9 SERR  GND NC PAR
10 GND NC +3.3V NC
11 STOP  +3.3V NC GND
12 +3.3V TRDY  GND DEVSEL 
13 FRAME  GND IRDY  +3.3V
14 GND AD16 +3.3V C/BE2 
15 AD18 +3.3V AD17 GND
16 AD21 AD20 GND AD19
17 +3.3V AD23 AD22 +3.3V
18 IDSEL0 GND IDSEL1 IDSEL2
19 AD24 C/BE3  VI/O IDSEL3
20 GND AD26 AD25 GND
21 AD29 +5V AD28 AD27
22 +5V AD30 GND AD31
23 REQ0  GND REQ1  VI/O
24 GND REQ2  +5V GNT0 
25 GNT1  VI/O GNT2  GND
26 +5V CLK0 GND CLK1
27 CLK2 +5V CLK3 GND
28 GND INTD  +5V RST 
29 +12V INTA  INTB  INTC 
30 NC Reserved Reserved NC
Notes:   denotes power or ground signals.
 The KEY pins are to guarantee proper module installation. PinA1 will be removed and the female side
plugged for 5.0V I/O signals and PinD30 will be modified in the same manner for 3.3V I/O. It is
recommended that both KEY pins (A1 and D30) be electrically connected to GND for shielding.
KCC boards have them as NC (not connected).
Signals used Onboard (not for external use):
IRQ3, IRQ4 COM1 /2
IRQ5 Sound
IRQ7 LPT1
IRQ6 FD
IRQ14 HD
IRQ12 PS/2 Mouse
IRQ13 Coprocessor
TC FD
DACK2 and DRQ2 FD