Adaptec AHA-1510A - Manual (Page 18)

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AHA-1510A/20A Series User’s Guide
AHA-1510A/20A Series User’s Guide
Stock Number: 510400-00, Rev. C
Page: 1-2
Print Spec Number: 491842-00
Current Date: 11/18/94
ECN Date: 11/29/94
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Features
Fast Data Transfer
■
10 MBytes/second synchronous Fast SCSI data rate
■
5 MBytes/second synchronous SCSI data rate
■
3 MBytes/second data rate on the ISA bus, the highest speed
allowed in the Programmed I/O (PIO) environment)
■ 2 MBytes/second asynchronous SCSI data rate
Superior Price/Performance Value
■ High speed PIO data transfer
■ Optional high speed DMA data transfer (supported under
OS/2 on EISA-bus computers)
■ Minimal SCSI overhead in single-tasking environments when
utilizing disconnect/reconnect capabilities
■
16-bit host bus data transfer widths
Multitasking
■ Each host adapter supports up to eight simultaneous I/O tasks
when utilizing SCSI-2 Disconnect/Reconnect feature.
Connectivity
■
Each host adapter supports up to seven SCSI devices and up to
eight logical units (LUNs) per SCSI device.
■
Full SCSI Floppy/Floptical
®
(21 MByte) diskette supports con-
figurations of up to four floppy-type diskettes (up to two stan-
dard floppy diskettes).
■ Supports both synchronous and asynchronous devices: disk
drives, tape, CD-ROM, WORM, DAT, etc.
Compatibility
■
SCSI BIOS with boot capability and support for up to two hard
disk drives under DOS (AHA-1520A/1522A only)
■
Supports SCSI hard disks with capacities above 1 GByte