Product information guide

EPSON PROGRESSION
DMA Channels
Hardware Interrupts
CTRL1
IRQO
IRQl
CTRL2
Function
Timer Output 0
Keyboard
I IRQl5 I Reserved
I/O Port Addresses
Address
000-OlF
MO-021
Assigned device
DMA controller 1
Interrupt controller 1
40-05F
060 - 06F
070 - 07F
Timer/counter
Keyboard controller (8042)
RTC. NM mask resister
080 - 09F
OAO - OBF
OCO - ODF
OF0
OF1
OF8 - OFF
170 - 178
lBO-lB5’
1 BF’
DMA page registers, MFG port
interrupt controller 2 (8259A compatible)
DMA controller 2 (8237A-5 compatible)
Clear math coprocessor busy
Reset math coprocessor
Math ca~rocessor
Hard disk controller secondary
Configuration registers
Configuration register unlock port 1
I/O Port Addresses (continued)
3F0 - 3W
I Floppy disk drive controller primary
3F8 - 3FF
~Berialportl
*These I/O address ports are configuration registers.
Jumper Settings
See the Main System Board Map on page 3 for the location of
the jumpers on the main system board.
Main System Board Jumper Settings
Jumper
number
JPl-
JP2”
JP3
JP4
JP5
JP6
JP7
JP9
-
R~SIINMI
Jumper
setting
A’
Function
Diskless mode disabled
B
A’
Diskless mode enabled
1 Diikl~ mode disabled
B
A’
B
Diskless mode enabled
Enables the built-in mouse port
Disables the built-in mouse port so you can
use an external mouse port on an option
A
B’
Enables an external mouse port on an
option card
I
A’
disables an external mouse port
I Color monitor is installed
B
A
B’
A’
B
Monochrome monitor is installed
Diiies the password function
Enables the password function
Enables the built-in VGA display adapter
Disables the built-in VGA display adapter so
you can use a display adapter on an option
card
* Factory setting
** JP1 and JP2 must be set together.
CPU Card Jumpers
Three CPU cards are available for the Progression: 486SX/25,
486DX/33, and 486DX2/66. The jumper on the 486SX/25
card should always be set to position B. The 486DX2/66 card
has no jumpers. Set the jumpers on the 486DX/33 card
according to the table below.
486DX/33 CPU Card Jumpers
CPU card configuration
Card only; no OverDrive module
ODP486DX/33 module installed
Jumper setting
W1 W2 W3
A A A
A A B
10/19/92 Epson Progression-5