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Date: Mon, 20 Jan 97 16:43:50 +0000
From: bazilio@economic.acnit.ac.ru (Vasily V. Grechishnikov)
To: freebsd-bugs@freebsd.org
Message-ID: <AA63wuoaJ0@economic.acnit.ac.ru>
Subject: cursor=destructive - breaks user's eyes
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                                Hi !
        I have 2.2 BETA . And I have following system  :

Calibrating clock(s) relative to mc146818A clock ... i8254 clock: 1193442 Hz
CPU: AMD Am5x86 Write-Back (486-class CPU)
  Origin = "AuthenticAMD"  Id = 0x4f4
real memory  = 12582912 (12288K bytes)
avail memory = 10645504 (10396K bytes)
DEVFS: ready for devices
Probing for devices on PCI bus 0:
chip0 <SiS 85c496> rev 49 on pci0:5
de0 <Digital 21040 Ethernet> rev 36 int a irq 9 on pci0:11
de0: 21040 [10Mb/s] pass 2.4
de0: address 00:80:c8:26:7c:34
de0: enabling BNC/AUI port
vga0 <VGA-compatible display device> rev 211 int a irq 10 on pci0:13
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 at 0x320-0x33f irq 15 on isa
ed0: address 00:40:95:80:99:60, type NE2000 (16 bit)
ed1 at 0x200-0x21f irq 5 on isa
ed1: address 00:50:4d:00:98:cc, type NE2000 (16 bit)
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <SAMSUNG SHD-30560A (APRO-5) SSI>
wd0: 534MB (1094688 sectors), 1086 cyls, 16 heads, 63 S/T, 512 B/S
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 765
fd0: 1.44MB 3.5in
npx0 on motherboard
npx0: INT 16 interface
DEVFS: ready to run

When I chahge cursor=NO in the sysconfig to cursor=destructive image on my
monitor begins to tremble . On various monitor this effect changes from
almost unvisble to very solid stripes . My eyes tired by 10 minutes .
But if I back to cursor=NO , all be ok . Why ?

                                        Vasily.