DIGITAL-LOGIC Microspace MSM586SEN - Page 85

DIGITAL-LOGIC AG MSM586SEN/SEV Manual V1.5E
85
J40 PC/104 BUS interface
Pin A: B: C: D:
0 Ground Ground
1
(IOCHCK) NC
Ground SBHE MEMCS16
2 SD7 RESET LA23 IOCS16
3 SD6
(+5V) NC
LA22 IRQ10
4 SD5 IRQ9 LA21 IRQ11
5 SD4
NC
LA20 IRQ12
6 SD3 DRQ2 LA19 IRQ15
7 SD2
(-12V) NC
LA18 IRQ14
8 SD1
(0WS) NC
LA17 DACK0
9 SD0 +12V MEMR DRQ0
10 IOCHRDY
(Ground) NC
MEMW DACK5
11 AEN SMEMW SD8 DRQ5
12 SA19 SMEMR SD9 DACK6
13 SA18 SIOW SD10 DRQ6
14 SA17 SIOR SD11 DACK7
15 SA16 DACK3 SD12 DRQ7
16 SA15 DRQ3 SD13 +5 Volt
17 SA14 DACK1 SD14
(MASTER) NC
18 SA13 DRQ1 SD15 Ground
19 SA12
(REF) **
Ground Ground
20 SA11
(SYSCLK) *
21 SA10 IRQ7
22 SA9 IRQ6
23 SA8 IRQ5
24 SA7 IRQ4
25 SA6 IRQ3
26 SA5 DACK2
27 SA4 TC
28 SA3 ALE
29 SA2 +5 Volt
30 SA1 OSC 14MHz
31 SA0 Ground
32 Ground Ground
* SYSCLK is 8.25MHz, available since V2.2
** REFGRESH is pulled up to Vcc with 1 kΩ
ΩΩ
Ω
Onboard used signals (not for external use):
IRQ3, IRQ4 COM1 /2
IRQ7 LPT1
IRQ6 FD
IRQ10 HD (BIOS setup depending)
IRQ14 HD
IRQ12 PS/2 Mouse
IRQ13 Coprocessor
TC FD
DACK2 and DRQ2 FD
DRQ9/10 COM3/COM4