Epson Progression 4 - Manual (Page 6)

Hardware Interrupts
System I/O Address Map
Hex address* Assigned device
DMA controller
020 021 Interrupt controller master
022 024 Epson resewed function
0 4 0 - 0 4 3 Timer, 8254-2
8042 (Keyboard and mouse)
070 071 (CMOS) Real-time clock (non-maskable interrupt mask)
DMA page register,
OAO Interrupt controller 2, 8259A
OCO-ODF DMA controller
Clear math coprocessor busy
OF1 Reset math
OF8 OFF Math coprocessor
Hard disk drive
200 207 Game
27A Parallel printer port 3
2DF Alternate enhanced graphics adapter
(adapter 0)
and Data acquisition (adapter 0)
2FF Serial port 2
Prototype card
348 357 DCA 3278
3C0 3CF
3D0 3DF
3F0
3FF
and
790 793
AE2 and AE3
Enhanced graphics adapter
Color/graphics monitor adapter
disk drive controller
Serial port 1
Data acquisition (adapter 1)
Cluster (adapter 1)
Data acquisition (adapter 2)
Cluster (adapter 2)
Hex address*
EE2 EE3 Data acquisition (adapter 3)
. - - 1)
luster (adapter 4)
(adapter 5)
(adapter 8)
WING
,
Recommended addresses for installing devices
EPSON Progression 4
Jumper Settings
the illustration on page 3 for the location of the jumpers
on the main system board.
CPU Speed Jumper Settings
CPU speed
(33 MHz)
(25 MHz)
A A B A
B B A A
Factory setting according to processor external speed do not change
these jumpers unless you replace the chip with a chip.
CPU Jumper Settings
CPU type*
or
J8
B B B B
A A A A
A A B B
Factory-set according to system type. You need to change jumpers
only if you have the system and you remove the original
microprocessor chip and install a new one, or if you install a future
processor in the or
Other Jumper Settings
Jumper
number setting
B
B
B
A
J13 A
Factory setting
“To use a mouse connected to a port on an option card, set to B and
J12 to A. you connect another type of pointing device (such as a joy
stick) to the option card port, set both jumpers to A.
Function
Enables the built-in mouse connector
Disables the built-in mouse connector
Enables the built-in VGA display adapter
Disables the built-in VGA
adapter
A monitor is installed
A monochrome monitor is installed
Enables a mouse or other pointing device
connected to an option card
Disables a mouse or other pointing device
connected to an option card
Disables the password
Enables the password
Reserved
EPSON Progression 4-6 5/3/93