< PreviousPERAKITAN KOMPUTER 201 f. Lembar Jawaban Test Formatif (LJ). LJ- 01 : Fungsi BIOS. ............................................................................................................ ..................................................................................................................... ................................................................................................................... ................................................................................................................... ..................................................................................................................... ................................................................................................................. ................................................................................................................... ................................................................................................................... ............................................................................................................ ................................................................................................................... ................................................................................................................... ................................................................................................................... LJ- 02 : Fungsi pengaturan power management. ........................................................................................................ ................................................................................................................... ................................................................................................................... ................................................................................................................... ................................................................................................................... ................................................................................................................. ................................................................................................................... ................................................................................................................... .... ..................................................................................................... ................................................................................................................... ................................................................................................................... ................................................................................................................... ......................................................................................................... ................................................................................................................... PERAKITAN KOMPUTER 202 LJ- 03 : Fungsi pengaturan password. ................................................................................................................. ................................................................................................................... ................................................................................................................... ................................................................................................................... ..................................................................................................................... ................................................................................................................... ................................................................................................................... ..................................................................................................................... ................................................................................................................. ................................................................................................................... ................................................................................................................... ............................................................................................................ ................................................................................................................... ................................................................................................................... LJ- 03 : Langkah keluar dari pengaturan BIOS. ................................................................................................................. ................................................................................................................... ................................................................................................................... ................................................................................................................... ..................................................................................................................... ................................................................................................................... ................................................................................................................... ..................................................................................................................... ................................................................................................................. ................................................................................................................... ................................................................................................................... ............................................................................................................ ................................................................................................................... ................................................................................................................... PERAKITAN KOMPUTER 203 ................................................................................................................... ................................................................................................................... ..................................................................................................................... ................................................................................................................... ................................................................................................................... ..................................................................................................................... ................................................................................................................. g. Lembar Kerja Peserta Didik. PERAKITAN KOMPUTER 204 19. Kegiatan Belajar 19 : Pengujian Hasil Perakitan Komputer a. Tujuan Pembelajaran. Setelah mengikuti kegiatan belajar 19 diharapkan siswa dapat: 1) Memahami pengenalan jenis beep code 2) Menerapkan penggunaan beep code b. Uraian materi. 1) Pengertian beep code bios Beep code merupakan hasil dari tes awal hardware yang dilakukan oleh bios komputer yang disebut POST.Power-on self-test (POST) adalah tes yang di lakukan oleh bios komputer pada waktu pertama kali menyala untuk memastikan semua perangkat keras berfungsi dengan benar dan memenuhi persaratan minimum sistem sebelum memulai sisa proses booting. Jika komputer berhasil melakukan POST akan mengeluarkan suara beep tunggal (beberapa produsen komputer BIOS mungkin berbunyi beep dua kali) sebagai tanda komputer mulai menyala dengan normal. Namun, jika komputer gagal melakukan POST, komputer tidak berbunyi beep sama sekali atau menghasilkan bunyi beep dengan kode tertentu, yang bisa memberitahu sumber masalah kepada penguna komputer. PERAKITAN KOMPUTER 205 Gambar 86. POST BIOS Award Bios Setiap Komputer memiliki tampilan POST BIOS yang berbeda , tergantung jenis BIOS yang digunakan pada motherboard. Kadang POST BIOS ini tidak muncul di layar, tetapi diganti logo merek komputer. Dengan men-disable tampilan logo (dari dalam BIOS ), maka POST BIOS akan tampil di layar. PERAKITAN KOMPUTER 206 Gambar 87. post bios yang menampilkan logo salah satu pabrikan komputer 2) Jenis beep code POST bios dan artinya Bunyi beep code pada setiap komputer berbeda-beda tergantung pabrikan komputer dan jenis bios yang dipakai,produsen bios secara umum ada 4 produsen yaitu AMI BIOS,AWARD BIOS,IBM BIOS,PHONIX BIOS serta MAC BIOS untuk komputer pruduksi Apple yang mengunakan sistem operasi macintosh.Berikut ini beberapa tabel beep code dari masing masing produsen bios dan arti dari beep code tersebut untuk memudahkan menemukan penyebab kerusakan pada sebuah komputer . PERAKITAN KOMPUTER 207 AMI bios beep code Berikut adalah kode Beep AMI BIOS yang dapat terjadi. Namun, karena berbagai produsen komputer yang berbeda mengunakan BIOS ini, beep code mungkin bervariasi. Gambar 88.kode Beep AMI BIOS AWARD bios beep code Berikut adalah kode Beep AWARD BIOS yang dapat terjadi. Namun, karena berbagai produsen komputer yang berbeda mengunakan BIOS ini, beep code mungkin bervariasi. Gambar 89. Kode Beep AWARD BIOS Kode beepPengertian 1 bunyi beep pendekDRAM refresh failure2 bunyi beep pendekParity circuit failure3 bunyi beep pendekBase 64K RAM failure4 bunyi beep pendekSystem timer failure5 bunyi beep pendekProcess failure6 bunyi beep pendekKeyboard controller Gate A20 error7 bunyi beep pendekVirtual mode exception error8 bunyi beep pendekDisplay memory Read/Write test failure9 bunyi beep pendekROM BIOS checksum failure10 bunyi beep pendekCMOS shutdown Read/Write error11 bunyi beep pendekCache Memory error1 bunyi beep panjang, 3 beep pendekConventional/Extended memory failure1 bunyi beep panjang, 8 beep pendekDisplay/Retrace test failedKode beepKeterangan1 beep panjang, 2 beep pendekmengindikasikan terjadi kesalahan pada video dan bios tidak dapat mendeteksi komponen video untuk menampilkan informasi pada monitorbunyi beep lainnyamengindikasikan terjadi kesalahan memoryJika terjadi kesalahan hardware lainnya, bios akan menampilkan pesan pada monitorPERAKITAN KOMPUTER 208 IBM bios beep kode Dibawah ini merupakan tabel beep code ibm bios yang dapat terjadi.Namun, karena banyaknya model yang diproduksi mengunakan bios ini, beep code mungkin bervariasi. Gambar 90. Tabel Beep Kode ibm bios Kode beepKeterangantidak ada bunyi beepTidak ada tegangan power supply,Memory Card,VGA card,Sound Card,LAN Card ada yang longar/belum terpasang dengan benar, hubung singkat.1 beep pendekNormal POST, Komputer booting dengan baik2 beep pendekterjadi kesalahan POST,error kode ditampilkan di monitorbeep terus menerusTidak ada tegangan power supply,Memory Card,VGA card,Sound Card,LAN Card ada yang longar/belum terpasang dengan benar, hubung singkat.beep pendek berulangTidak ada tegangan power supply,Memory Card,VGA card,Sound Card,LAN Card ada yang longar/belum terpasang dengan benar, hubung singkat.1 beep panjang dan 1 beep pendekMengidentifikasikan ada masalah pada motherboard1 beep panjang dan 2 beep pendekMasalah pada VGA (bagian video CGA/mono)1 beep panjang dan 3 beep pendekMasalah pada VGA (bagian video EGA)3 beep panjangMasalah pada Keyboard atau keyboard card1 beep, monitor blank/tampilan salahmasalah pada VGA/Bagian jalur VideoPERAKITAN KOMPUTER 209 Phoenix bios beep kode Dibawah ini merupakan tabel beep code Phoenix bios versi Q3.07 atau 4.x Kode beepKeterangan1-1-1-3Verify Real Mode.1-1-2-1Get CPU Type.1-1-2-3Initialize system hardware.1-1-3-1 Initialize chipset registers with initial POST values.1-1-3-2Set in POST flag.1-1-3-3Initialize CPU registers.1-1-4-1Initialize cache to initial POST values.1-1-4-3 Initialize I/O.1-2-1-1Initialize Power Management.1-2-1-2Load alternate registers with initial POST values.1-2-1-3Jump to UserPatch0.PERAKITAN KOMPUTER 210 1-2-2-1 Initialize keyboard controller.1-2-2-3BIOS ROM checksum.1-2-3-18254 timer initialization.1-2-3-3 8237 DMA controller initialization.1-2-4-1Reset Programmable Interrupt Controller.1-3-1-1 Test DRAM refresh.1-3-1-3Test 8742 Keyboard Controller.1-3-2-1 Set ES segment to register to 4 GB.1-3-3-1 28 Autosize DRAM.1-3-3-3 Clear 512K base RAM.1-3-4-1 Test 512 base address lines.1-3-4-3 Test 512K base memory.1-4-1-3Test CPU bus-clock frequency.1-4-2-4Reinitialize the chipset.1-4-3-1 Shadow system BIOS ROM.1-4-3-2Reinitialize the cache.1-4-3-3Autosize cache.1-4-4-1Configure advanced chipset registers.1-4-4-2 2-1-1-1 Set Initial CPU speed.2-1-1-3 Initialize interrupt vectors.2-1-2-1 Initialize BIOS interrupts.2-1-2-3Check ROM copyright notice.2-1-2-4 Initialize manager for PCI Options ROMs.2-1-3-1 Check video configuration against CMOS.2-1-3-2 Initialize PCI bus and devices.2-1-3-3 Initialize all video adapters in system.2-1-4-1 Shadow video BIOS ROM.2-1-4-3 Display copyright notice.2-2-1-1Display CPU Type and speed.2-2-1-3Test keyboard.2-2-2-1 2-2-2-356 Enable keyboard.2-2-3-1Test for unexpected interrupts.2-2-3-3 Display prompt Press F2 to enter SETUP.2-2-4-1 Test RAM between 512 and 640k.2-3-1-1Test expanded memory.2-3-1-3Test extended memory address lines.2-3-2-1 Jump to UserPatch1.2-3-2-3Configure advanced cache registers.2-3-3-1 Enable external and CPU caches.2-3-3-3 Display external cache size.2-3-4-1Display shadow message.2-3-4-3 Display non-disposable segments.2-4-1-12-4-1-3 Check for configuration errors.2-4-2-1Test real-time clock.Next >