ChipChat Sound Card
Latest device drivers for DOS, Win (3.1, 95, NT), OS/2. Setup program
ChipChat Base Card
ChipChat Wavetable Card (late version?)
ADF Hack - INT7 to INT5
Generic Setup Values
ChipChat Base Card
|J1,2 1/8" jack to Ultimedia?
P1 Audio In
P3 Audio Out
P4 MIDI / Joystick
P5 Ultimedia port
P6 Soundblaster (GLGR)
P7 Generic (GLGR)
|P8 IBM (RGGL)
P9 Generic (RGGL)
P10 Unpopulated CD input
P11 Wavetable header
U1 ESS ES1688F
U2,3 Altera EPROMs
U4,5 NS LM386
U6 Phillips NE558D
|P1 Connector to base card
U1 Yamaha OPL YMF 704-S
|U2 Yamaha YAC516-E
X1 33.8688 MHz xtal
There seems to be an older version of this daughtercard. Illustrations
show a card as tall as the ChipChat and half as long.
An ADF tweak- ChipChat soundcard is set to occupy IRQ7
- which might cause strange effects under Win95 with LPT1. Edit the "fixed
resource" IRQ7 to IRQ5 (default setting for LPT2) - and everything will
To use IRQ-5, you need to make the following modifications:
a. Change @5150.adf file replacing "int 7" with "int 5"
(you must re-configure your system after updating the ADF)
b. DOS Autoexec.bat, change DOSMIXER statement from "-7" to "-5"
c. Win31 SYSTEM.INI, change [auddrive.drv] from "int=7" to "int=5"
d. OS2 Config.sys, change device=ES1688DD.SYS from "/I:7" to "/I:5"
e. Win95, use device manager to change interrupt from 7 to 5
f. WinNT, re-install and select interrupt 5
Sound Address 220 (may interfere with a primary TR adapter)
Interrupt Level 7 (5 supported, I see 2,5,7,and 10 listed in W95 doc)
DMA Arb 1 (maybe 0,1,3 supported)
General MIDI MPU-401 330
ADF Section for
05150h "ChipChat Sound Card"
ChipChat Sound Card Selection
pos=01010001b io 0200h-020Fh 0220h-022Fh 0388h-038Bh
Resources are fixed because many software programs assume
and require these settings. Address Range (hex): [200-20F, 220-22F,
DMA Arbitration Level:, IRQ Interrupt:.
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