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Chapter 4 System Support
Compaq Deskpro EN Series of Personal Computers
Desktop and Minitower Form Factors
Third Edition - September 1998
4-48
Table 4–21. 82371 South Bridge General Purpose Output Port Utilization
Table 4-21.
82371 South Bridge General Purpose Output Port Utilization
GP Output Port Function
GPO #0 PCI reset. When low will generate a PCI RST- to PCI slots.
GPO #1-7 ISA bus address signals LA17-23.
GPO #8 Not used.
GPO #9 Not used.
GPO #10 Not used.
GPO #11 Not used.
GPO #12 Not used.
GPO #13 Not used.
GPO #14 Not used
GPO #15 Not used.
GPO #16 Power management suspend control signal.
GPO #17 CPU clock stop. When cleared inhibits the clock generator from producing CPU clock.
GPO #18 PCI clock stop. When cleared inhibits the clock generator from producing PCI clock.
GPO #19 Not used.
GPO #20 Power management suspend control signal.
GPO #21 Not used.
GPO #22, 23 X-bus control signals.
GPO #24 Not used.
GPO #25 Not used.
GPO #26 Not used.
GPO #27 Chassis fan control. When cleared (0) shuts down the chassis fan.
GPO #28-30 Not used.