Avago Technologies LSI53C1030 - Manual (Page 84)

3-24 Signal Description
Version 2.2 Copyright © 2001, 2002, 2003 by LSI Logic Corporation. All rights reserved.
•
MAD[3], NVSRAM Select – By default, internal logic pulls this pin
LOW, which has no effect on the LSI53C1030. Pulling this pin HIGH
configures the external memory interface as an NVSRAM interface.
•
MAD[2:1], ROM Size – These pins program the size of the Flash
ROM memory. Refer to
Table 3.22 for the pin encoding. By default,
internal logic pulls these pins LOW to indicate that a Flash ROM is
not present in the system.
•
MAD[0], Reserved.
Table 3.21 PCI-X Function to SCSI Channel Configurations
MAD[5:4] Options LSI53C1030 Configuration
0b00 Multifunction PCI-X to Dual Channel SCSI Controller
0b01 Reserved
0b10 Reserved
0b11 Single Function PCI-X to Single Channel SCSI Controller
Table 3.22 Flash ROM Size Programming
MAD[2:1] Options Flash ROM Size
0b00 Flash ROM not present (Default)
0b01 Up to 1024 Kbytes
1
1. Choose this setting for a 128 Kbyte or 512 Kbyte Flash ROM.
0b10
Reserved
0b11