Specifications

INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1
Classic/PCI i486 Baby-AT Motherboard Technical Product Summary
•
Page
21
Pin
Name
Function
1
PWRGD
Power Good
2 +5 V + 5 volts Vcc
3 +12 V + 12 volts
4 -12 V - 12 volts
5 GND Ground
6 GND Ground
7 GND Ground
8 GND Ground
9 -5 V -5 volts
10 +5 V + 5 volts Vcc
11 +5 V + 5 volts Vcc
12 +5 V + 5 volts Vcc
Table H-8. Power Connector Pin Definition
AUXILIARY (3.3V) POWER CONNECTOR (J4H1)
Pin
Name
Function
1
GND
Ground
2 GND Ground
3 GND Ground
4 +3.3 V + 3.3 volts
5 +3.3V + 3.3 volts
6 +3.3 V + 3.3 volts
Table H-9. 3.3V Power Connector Pin Definition
PARALLEL PORT (J7J1)
Signal Name Pin
Number
Pin
Number
Signal Name
Strobe-
1
2
Auto Feed-
Data Bit 0 3 4 ERROR-
Data Bit 1 5 6 INIT-
Data Bit 2 7 8 SLCT IN-
Data Bit 3 9 10 Ground
Data Bit 4 11 12 Ground
Data Bit 5 13 14 Ground
Data Bit 6 15 16 Ground
Data Bit 7 17 18 Ground
ACK- 19 20 Ground
BUSY 21 22 Ground
PE (Paper End) 23 24 Ground
SLCT 25 26 No Connect
Table H-10. Printer Port Connector Pin Definition
SERIAL PORTS (J7L2 = COM1, J7L1 = COM2)
Signal Name Pin
Number
Pin
Number
Signal Name
DCD (Data Carrier Detect)
1
2
DSR (Data Set Ready)
SIN- (Serial Input) 3 4 RTS (Request to Send)
SOUT- (Serial Output) 5 6 CTS (Clear to Send)
DTR (Data Terminal Ready) 7 8 RI (Ring Indicator)
Ground 9 10 No Connect
Table H-11. Serial Port Connectors Pin Definition
RESET CONNECTOR (J1B2)
Pin Number
Signal Name
1
RESET
2 Ground
Table H-12. Reset Switch Connector Pin Definition
FLOPPY CONNECTOR (J9F2)