Technical data

Assignment of Plugs and Sockets
52 VIPA GmbH CP486 ⋅ 00/14
3.15 50-pin Socket (X11) with AT Bus Signals for Special Use
2 IOCHRDY- SA3 1
4 AEN SA4 3
6 MEMR- SA5 5
8 MEMW- SA6 7
10 SBHE- SA7 9
12 MASTER- SA8 11
14 IOCS16- SA9 13
16 MEMCS16- SA10 15
18 BALE SA11 17
20 T/C SA12 19
22 -5V SA13 21
24 REFRESH- SA14 23
26 SMEMR- SA15 25
28 SMEMW- SA16 27
30 CSMCARD- SA17 29
32 IDENH- SA18 31
34 IDENL- SA19 33
36 IRQ9 +12V 35
38 SYSCLK LA17 37
40 IRQ11 LA18 39
42 IRQ10 LA19 41
44 DACK6- LA20 43
46 DRQ6- LA21- 45
48 -12V LA22 47
50 OSC LA23 49
Both plugin connectors X11 and X12 have a full 16Bit AT bus excepted some interrupt and DMA
channels. Special adapters (of the H1 adapter) can be connected via this bus. In this case, the hard
disk drive has to be removed from the motherboard and is to be installed onto the additional board.