scsi_asics

Below is a quick comparision of the Ultra2 / Ultra160 SCSI ASICs from Adaptec and LSI Symbios.

Product Name

Transfer Rates

Data FIFO Buffer (bytes)

Zero Channel RAID Support

LSI Symbios

SYM53C1010
Dual Channel Ultra160

160 MB/s (x2) aggregate 320 MB/s

944 (x2)

SISL

SYM53C896
Dual Channel Ultra2

80 MB/s (x2) aggregate 160 MB/s

944

SISL

SYM53C895A
Single Channel Ultra2

80 MB/s

944

SISL

Adaptec

AIC-7899
Dual Channel Ultra160

160 MB/s (x2) aggregate 320 MB/s

1024 (x2)

N/A

AIC-7892
Single Channel Ultra160

160 MB/s

1024

RAIDport

AIC-7896
Dual Channel Ultra2

80 MB/s (x2) aggregate 160 MB/s

1024 (x2)

RAIDport

AIC-7890
Single Channel Ultra2

80 MB/s

1024

RAIDport