Acer Veriton 7700G Veriton 3700G / 5700G / 7700G Service Guide - Page 27

Floppy disk drive Interface Tracks 160 Rotational speed (RPM) 300 Read/write heads 2 Encoding method MFM/FM Power requirement (max) 5V Startup (peak) 290mA Maximum Seeking (RMS) 710mA Voltage tolerance (V) +5V +/- 10% MTBF (Mean Time Between Failure) 30,000 Floppy disk drive controller Embedded in SMSC LPC 47M182-NR Floppy disk drive controller resident bus LPC Support FDD format 360KB, 720KB, 1.2MB, 1.44MB, 2.88MB; 3-mode Parallel Port Item Specification Parallel port controller Embedded in SMSC LPC 47M182-NR Parallel port controller resident bus LPC Number of parallel ports 1 Support SPP, ECP, EPP SPP/ ECP / EPP 1.7 & 1.9 Connector type 25-pin D-type female connector Parallel port function control Enable/disable by BIOS Setup Optional ECP DMA channel (in BIOS Setup) DMA channel 1 / DMA channel 3 Optional parallel port I/O address (via BIOS Setup) 378-37F / 278-27F / 778-77A Optional parallel port IRQ (via BIOS Setup) IRQ5 / IRQ7 Serial Port Item Serial port controller Serial port controller resident bus Number of serial port Serial ports location 16C550 UART support Connector type Optional serial port I/O address (via BIOS Setup) Optional serial port IRQ (via BIOS Setup) Specification Embedded in SMSC LPC 47M182-NR LPC 2 COM1, COM 2(Reserve for header) Yes 15-pin connector (1 with pin reserve) 2F8-2FF / 3F8-3FF 4 / 3 USB Port Universal UHCI Universal EHCI USB Class Items Specifications USB 1.1 USB 2.0 Support legacy keyboard for legacy mode Chapter 1 21