Step 11 Install Adapter Cards - American Megatrends Atlas PCI EISA User Manual

Step 10 Install Hard Disk,
P6 Secondary IDE Drive Connector
To use a third and fourth IDE hard disk drive, attach the 40-wire ribbon cable from the IDE drive to P6. The
P6 pinout is:

Step 11 Install Adapter Cards

The Atlas PCI Pentium motherboard provides full EISA bus mastering adapter card support and full
compatibility with all IBM XT and AT-compatible adapter cards via six EISA expansion slots. The Atlas PCI
Pentium motherboard also has three PCI Local Bus expansion slots, all capable of bus mastering.
Chapter 4 Installation
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Continued
Pin Use
1 -RESET
3 DATA7
5 DATA6
7 DATA5
9 DATA4
11 DATA3
13 DATA2
15 DATA1
17 DATA0
19 GND
21 N/C
23 -IOW
25 -IOR
27 IOCHRDY
29 N/C
31 -IDE2INT
33 HA1
35 HA0
37 -CS2
39 -IDEACT
Pin Use
2 GND
4 DATA8
6 DATA9
8 DATA10
10 DATA11
12 DATA12
14 DATA13
16 DATA14
18 DATA15
20 KEY (N/C)
22 GND
24 GND
26 GND
28 ALE
30 GND
32 -IOCS16
34 N/C
36 HA2
38 -CS3
40 GND