Specifications

EPC-6A Hardware Reference
64
reflashing processes defined 49
reflashing the 47
Flash memory
access protection
61
address registers 60
booting from 10
components 30
data register 61
jumper 5
write protection 5
write-protect jumper 61
Front-panel indicators 12
Front-panel switch 12, 13
FS address registers 60
H
Hardware reset 12, 61
Humidity 1
I
I/O space map 19
IACK daisy chain 32
ID register 55
Initialization sequence 9
internal loop. See loop.
Interrupt
acknowledge
7, 27, 60
acknowledge 58
assignments 31
handler 26–??
IRQ10 31, 59
IRQ11 13, 31
message 57, 59
MSGR 57, 59
register 59, 60
Interrupt generator register 27
IRQ10 interrupt 26, 59
IRQ11 interrupt 13, 31
J
J1 connector 32
Jumpers 5, 7, 45
K
keyboard 8
keyboard connector 46
L
LED register 61
LEDs 12, 32
Little endian 24
Location monitor 57
Lock 57
LOCK instruction prefix 25, 26
loop. See internal loop.
M
Master LED 45
Memory control register 54, 61
Message high register 57, 58
Message interrupt 59
Message low register 57, 58
Message protocol 57
Message register 57
Message-based device 55
Model code 55
Module status/control register 60
Module status/control register 31
mouse 8
MS-DOS 10, 13
MSGR interrupt 57, 59
N
NMI 31
non-warranty service 42
P
P1 connector 46
PC/AT I/O bus 31
peripherals 8
Pipelined write 24, 60
Power 1
Priority arbiter 56
Protocol register 57
R
Read ready 57
Real time clock error 35
Reflashing
flash recovery commands defined
50
flash recovery process defined 49
flash recovery serial connection 49
Release on request 55
repair 41
Request on no request 55
Reset 56
Reset disabled indicator 12
Reset switch 12, 13, 61
Response register 28, 57, 59
RMA number 43
RMW cycle 25
ROM DOS interaction 11
RONR 55
ROR 55