Specifications

PC/II+p Board Technical Reference Manual 55
MT002615 ©1999-2001, Megatel Computer Corporation
Table 24 PC/104 (ISA) Refresh Periods
VALUE
OF REG 43h
BITS 5-4
ISA REFRESH PERIOD
SETTING
COMMENT
00
15 uSec Default
01
30 uSec
10
60 uSec
11
120 uSec
Table 25 PC/104 (ISA) 16-Bit Memory Wait States
VALUE
OF REG 43h
BITS 3-2
REFRESH PERIOD SETTING COMMENT
00
normal 16-bit access Default
01
insert 1 wait state
10
insert 2 wait states
11
insert 3 wait states
Table 26 PC/104 (ISA) 16-Bit I/O Wait States
VALUE
OF REG 43h
BITS 1-0
WAIT STATE SETTING COMMENT
00
normal 16-bit access Default
01
insert 1 wait state
10
insert 2 wait states
11
insert 3 wait states