Specifications

Little Board/486i Technical Manual
1–6
! SCSI-II Interface
− ANSI X3.131-compliant
− Uses the Adaptec AIC 6360 controller
− Synchronous or asynchronous data transfer
− Supports SCSI-II data transfers (10MB/sec)
− Onboard active terminators for low current drain
− Built-in SCSI-BIOS in Ampro enhanced ROM-BIOS
− Compatible with standard SCSI driver products that are ASPI compatible
! Flat Panel/CRT Video Controller
− Supports CRT, LCD, and EL displays
− Uses the C&T 65545 High Performance Flat Panel/CRT VGA Controller
− Onboard display RAM 512K bytes standard, 1M byte special order
− Modes, resolutions, and memory requirements: See Table 1-2.
− Supports interlaced or non-interlaced displays in up to 1280 x 1024 resolution modes
− Supports 24-bit True Color
− GUI accelerator for enhanced performance
− Video BIOS supports VESA super VGA modes. See Table 1-2.
− Software programmable flat panel interface. Signal timing contained in an onboard Flash
EPROM device for easy customization
− Optional LCD Bias Supply. Circuit board plugs on to connector on the Little Board/486i
− Supplies 15 V < Vee < 30 V DC, positive or negative polarity, at 30 mA (max)
− Voltage level (LCD contrast control) adjustable with an onboard or external potentiometer
− Sequences LCD power supplies to protect display
− Implements advanced power management functions
! Ethernet LAN Interface
− Complies with IEEE 802.3 (ANSI 8802-3)
− Controller: SMC9000-series
− Topology: Ethernet bus, using CSMA/CD
− Media interface options:
− 10BaseT (twisted pair), via an onboard RJ45 connector
− AUI, via an onboard header connector, DB15F (transition cable available from Ampro)
− 10Base2 (thin coax), via external MAU
− Data rate: 10M bits per second
− Data buffer: 4608 byte RAM, accessed via I/O ports