Service manual

85
SMC FDC37C669FR I/O FDD Controller with IR
• 5 volt operation.
• Intelligent auto power management.
• 16 bit address qualification (option).
• 2.88MB super I/O floppy disk controller.
∗ Licensed CMOS 7658 floppy disk controller.
∗ Software and register compatible with SMC’s proprietary 82077AA
compatible core.
∗ Supports two floppy drives directly.
∗ Supports vertical recording format.
∗ 16 byte data FIFO.
∗
100% IBM compatibility.
∗ Detects all overrun and underrun conditions.
∗ Sophisticated power control circuitry (PCC) including multiple powerdown
modes for reduced power consumption.
∗ DMA enable logic.
∗ Data rate and drive control registers.
∗ Swap drives A and B.
∗ Non-burst mode DMA option.
∗ 48 base I/O address, 7 IRQ and 3 DMA options.
• Floppy disk available on parallel port pins.
• Enhanced digital data separator.
∗ 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps data rates.
∗ Programmable precompensation modes.
• Serial Ports
∗ Two high speed NS16C550 compatible UARTs with send/receive 16 byte
FIFOs.
∗ Supports 130k and 460k baud.
∗
Programmable baud rate generator.
∗ Modem control circuitry.
∗ Infrared - IrDA, HPSIR, ASKIR, Fast IR (4Mbps IrDA), consumer IR support.
∗ Alternate IR pins (option).
∗ 96 base I/O address and 7 IRQ options.
• Multi-Mode parallel port with ChiProtect.
∗ Standard mode.
∗ IBM PC/XT, PC/AT and PS/2 compatible bidirection parallel port.
∗
Enhanced parallel Port (EPP) compatible.
∗ EPP 1.7 and EPP 1.9 (IEEE 1284 compliant).
∗ Enhanced Capabilities Port (ECP) compatible (IEEE 1284 compliant).
∗ Incorporates ChiProtect circuitry for protection against damage due to
printer power-on.
∗ 192 base I/O address, 7 IRQ and 3 DMA options.
• IDE interface (option).
∗ On-Chip decode and select logic compatible with IBM PC/XT and PC/AT
embedded hard disk drives.
∗
48 base I/O address and 7 IRQ options.
• Game Port Select Logic
∗ 48 base I/O address.