Compaq FP15 Specifications download pdf (Page 61)

MSM800XEV/XEL / System Resources

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DEVSEL*

Device Select is driven by the target device when its address is decoded.

IDSEL

Initialization Device Select is used as a chip-select during configuration.

LOCK*

Lock indicates an operation that may require multiple transactions to complete.

PERR*

Parity Error is for reporting data parity errors.

SERR*

System Error is for reporting address parity errors.

REQ*

Request indicates to the arbitrator that this device desires use of the bus.

GNT*

Grant indicates to the requesting device that access has been granted.

CLK

Clock provides timing for all transactions opn the PCI bus.

RST*

Reset is used to bring PCI-specific registers to a known state.

INTA*

Interrupt A is used to request Interrupts.

INTB*

Interrupt B is used to request Interrupts only for multi-function devices.

INTC*

Interrupt C is used to request Interrupts only for multi-function devices.

INTD*

Interrupt D is used to request Interrupts only for multi-function devices.

7.1.3 Expansion Bus

The bus currents are as follows:

Output Signals IOH IOL

D0-D16 8 mA 8 mA

A0-A23 8 mA 8 mA

MR, MW, IOR, IOW, RES, ALE, AEN, C14 8 mA 8 mA

DACKx, DRQx, INTx, PSx, OPW 8 mA 8 mA

Input Signals Logic Family Voltage

ABT-Logic

ViH (min.) = 2.15 V

ABT-Logic

Vil (max.) = 0.85 V

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Compaq FP15 Specifications Page 61