Supermicro P4SGA+ User Manual download pdf (Page 45)

Chapter 2: Installation

2-21

1.5V 4xAGP Slot (P4SGA/P4SGR/P4SGE)

The 4xAGP slot is not included on the P4SGL. You should first disable

the integrated video in BIOS before adding a VGA card to this slot. (See

the "On-Chip VGA" setting in the Advanced Chipset Features section in

BIOS.) The 4xAGP slot is backward compatible with 2xAGP graphics

cards.

To install a VGA card, power down the system and remove the I/O shield

corresponding to the AGP slot. Then, pull back the locking tab on the slot

before inserting your VGA card. After the card is inserted, close the

locking tab if possible (some VGA cards have a notch in the corner of

the board to lock it into place, others do not.) Replace all chassis covers

before restoring power to the system.

IDE Connectors

There are no jumpers to config-

ure the onboard IDE interfaces

J6 and J7. See the table on the

left for pin definitions. You

must use the ATA100/66 cable

included with your system to

benefit from the ATA100/66

technology.

Pin Number Function

1 Reset IDE

3 Host Data 7

5 Host Data 6

7 Host Data 5

9 Host Data 4

11 Host Data 3

13 Host Data 2

15 Host Data 1

17 Host Data 0

19 GND

21 DRQ3

23 I/O Write-

25 I/O Read-

27 IOCHRDY

29 DACK3-

31 IRQ14

33 Addr 1

35 Addr 0

37 Chip Select 0

39 Activity

Pin Number Function

2 GND

4 Host Data 8

6 Host Data 9

8 Host Data 10

10 Host Data 11

12 Host Data 12

14 Host Data 13

16 Host Data 14

18 Host Data 15

20 Key

22 GND

24 GND

26 GND

28 BALE

30 GND

32 IOCS16-

34 GND

36 Addr 2

38 Chip Select 1-

40 GND

IDE Connector Pin Definitions

(J6, J7)

Locking Tab

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 92 93

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Supermicro P4SGA+ User Manual Page 45

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