1-10 System Overview
The network status LEDs on the system board indicate:
Transmit/receive activity on the LAN
Valid link to the LAN
10/100 Mbps transfer mode.
SCSI Controller
The system board includes a Symbios Logic SYM53C875 embedded
dual-function, PCI SCSI host adapter. The SYM53C875 contains two
independent SCSI controllers that share a single PCI bus master
interface. Internally, each controller is identical, capable of operations
using either 8- or 16-bit SCSI providing 10 MB/s (Fast-10) or 20 MB/s
(Fast-20) throughput, or 20 MB/s (Ultra) or 40 MB/s (Ultra-wide)
throughput. As implemented on the system board, controller A
attaches to a 68-pin 16-bit (wide) SCSI connector interface capable of
supporting a maximum of four 1-inch high SCSI Ultra-wide hard disk
drives or three 1.6-inch high SCSI Ultra-wide hard disk drives.
Controller B attaches to a 50-pin 8-bit (narrow) SCSI connector
interface capable of supporting three 5.25-inch removable media
devices.
Video Controller
The system has a high-performance SVGA subsystem that supports the
following:
BIOS compatibility with VGA, EGA, CGA, Hercules Graphics, and
MDA
2 MB of Video Random Access Memory (VRAM) video buffer
16-bit bus for high-speed display memory access
Hardware accelerated bit block transfers (BITBLT)
Display power management system
Supports 72Hz refresh, non-interlaced at: 640x480, 800x600,
1024x768, or 1240x1024 resolutions
Displays of up to 16M colors at 640x480 and 800x600 resolutions,
64K colors at 1024x768 resolutions and 256 colors at 1280x1024
resolutions.
Summary of Contents for LS2400
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