Dma Channels; Jumper Settings; Hardware Interrupts; I/O Port Addresses - Epson Progression Product Information Manual

DMA Channels

Hardware Interrupts

CTRL1 CTRL2
Function
Timer Output 0
Keyboard

I/O Port Addresses

Address
Assigned device
DMA controller 1
MO-021 Interrupt controller 1
Timer/counter
060 - 06F Keyboard controller (8042)
070 - 07F RTC. NM mask resister
080 - 09F
DMA page registers, MFG port
OAO - OBF
interrupt controller 2 (8259A compatible)
OCO - ODF DMA controller 2 (8237A-5 compatible)
Clear math coprocessor busy
OF1
Reset math coprocessor
OF8 - OFF Math ca~rocessor
170 - 178
Hard disk controller secondary
Configuration registers
1 BF'
Configuration register unlock port 1
I/O Port Addresses (continued)
3F0 - 3W
*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
Main System Board Jumper Settings
Jumper Jumper
number setting
A '
B
A '
B
JP3 A '
B
JP4 A
JP5 A '
B
JP6 A
JP7 A '
B
JP9
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
10/19/92
EPSON PROGRESSION
board.
system
Function
Diskless mode disabled
Diskless mode enabled
Diskless mode enabled
Enables the built-in mouse port
use an external mouse port on an option
Enables an external mouse port on an
option card
disables an external mouse port
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
Jumper setting
W1 W2
A A
A A
Epson Progression-5
I
W3
A
B