Asus LS99 - Manual (Page 2)

2 Chapter 1 Introduction
1. Introduction
1.2 Product Features
The ASUS LS99 LAN/SCSI card has two independent SCSI channels, each with a
maximum throughput of 160 MBytes/sec. SCSI Channel A has two internal
connectors (CHA-WIDE and SCSI-50). SCSI Channel B has one internal connector
(CHB-WIDE) and one external connector (CHBEXTWIDE).
®
Internal Narrow
SCSI Connector
(Channel A)
1
Internal Ultra160
SCSI Connector
(Channel B)
Internal Ultra160
SCSI Connector
(Channel A)
SCSI_EN
LAN_EN
LED2
LED1
CHA-WIDE CHB-WIDE
3Com
LAN
Controller
Adaptec
A I C - 7 8 9 9 G
S C S I
C o n t r o l l e r
RJ45
Connector
External Ultra160
SCSI Connector
(Channel B)
SCSI-50
CHBEXTWIDE
SCSILED
ASUSCONNECT
Latch
1.2.1 PCI Interface
• Full 32-bit (33 MHz) DMA bus master
• Zero wait-state bus master data bursts
• PCI 5V bus support
1.2.2 SCSI Interface
• Two separate SCSI channels
• 16-bit SE/LVD
• One 68-pin external high-density SCSI interface for channel B
• One 68-pin internal high-density SCSI interface for each channel A & B
• One 50-pin fast-SCSI connector for channel A
• Fast, Ultra, and Ultra2 data transfer capability
• SCSI Plug and Play
• SCSI activity LED for each channel
1.2.3 Network Interface
• 3Com EtherLink 10/100 LAN controller
• 32-bit PCI host interface
• One RJ45 LAN connector
• Remote system alert and network keepalive support
1.2.4 LAN/SCSI card Characteristics
• Dimensions: Approximately 6.0 x 4.0 inches (15cm x 10cm)
• ASUS proprietary 32-bit PCI card edge connector