Interphase Tech 4538 - Manual (Page 50)

The PCI Bridge
28 Interphase Corporation
Table 1-24. Hardware Configuration Register Field Descriptions
Field Description
MPC_ID Microprocessor identifier:
0000: MPC8260ZU200, 200/133/66MHz, rev A.1
0001: MPC8260ZU133, 133/133/66MHz, rev A.1
0010: MPC8260ZU200, 200/133/66MHz, rev B.3
0011-1111: Reserved for future processor versions
FLASH_SIZE Flash EEPROM size:
00: 1 Mbytes
01: 4 Mbytes
10: 8 Mbytes
11: Reserved for future use
LSDRAM_SIZE Local SDRAM size:
00: No memory device
01: 8 Mbytes
10: 16 Mbytes
11: Reserved for future use
SDRAM_SIZE Main SDRAM size:
000: 16 Mbytes (not possible on the 4539)
001: 32 Mbytes
010: 64 Mbytes
011: 128 Mbytes
100-111: Reserved for future use
CAM_SIZE CAM size:
000: No CAM device
001: 4 K x 64
010: 8 K x 64 (not possible on the 4539)
011: 16 K x 64
100: 32 K x 64 (not possible on the 4539)
101-111: Reserved for future use
MONARCH Monarch capability:
0: Not monarch capable
1: Monarch capable (not possible on the 4539)
BUS_FREQ Local Bus frequency:
000: 50.000 MHz
001: 65.536 MHz (the only frequency currently available on the
4539)
010: 66.000 MHz
011-111: Reserved for future use
ACCESS Access type:
0: 2 port front access board
1: 4 port rear access board